fix(systemd): wait for network connectivity before starting services

Change After=network.target to After=network-online.target + Wants=network-
online.target in both service templates and install_web_service.sh.

network.target only means NetworkManager has started — it does NOT mean the
device has an active internet connection. On boot, the LED matrix service was
starting within seconds of the network interface appearing, before WiFi
association and DHCP completed, causing all first-update API calls to fail
with "Network is unreachable" or DNS resolution errors.

network-online.target waits for a confirmed network route before the service
starts. On Raspberry Pi OS this is provided by NetworkManager-wait-online.
The tradeoff is a few extra seconds at boot, which is acceptable for a
display device.

Applied live to /etc/systemd/system/ledmatrix.service on devpi via
systemctl daemon-reload (no restart required for the config change to take
effect on next boot).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.cursor/README.md

@@ -43,39 +43,48 @@ cp ../../.cursor/plugin_templates/*.template .
 2. **Using dev_plugin_setup.sh**:
 ```bash
 # Link from GitHub
-./dev_plugin_setup.sh link-github my-plugin
+./scripts/dev/dev_plugin_setup.sh link-github my-plugin
 
 # Link local repo
-./dev_plugin_setup.sh link my-plugin /path/to/repo
+./scripts/dev/dev_plugin_setup.sh link my-plugin /path/to/repo
 ```
 
-### Running Plugins
+### Running the Display
 
 ```bash
-# Emulator (development)
+# Emulator mode (development, no hardware required)
-python run.py --emulator
+python3 run.py --emulator
+# (equivalent: EMULATOR=true python3 run.py)
 
-# Hardware (production)
+# Hardware (production, requires the rpi-rgb-led-matrix submodule built)
-python run.py
+python3 run.py
 
-# As service
+# As a systemd service
 sudo systemctl start ledmatrix
+
+# Dev preview server (renders plugins to a browser without running run.py)
+python3 scripts/dev_server.py  # then open http://localhost:5001
 ```
 
+The `-e`/`--emulator` CLI flag is defined in `run.py:19-20` and
+sets `os.environ["EMULATOR"] = "true"` before any display imports,
+which `src/display_manager.py:2` then reads to switch between the
+hardware and emulator backends.
+
 ### Managing Plugins
 
 ```bash
 # List plugins
-./dev_plugin_setup.sh list
+./scripts/dev/dev_plugin_setup.sh list
 
 # Check status
-./dev_plugin_setup.sh status
+./scripts/dev/dev_plugin_setup.sh status
 
 # Update plugin(s)
-./dev_plugin_setup.sh update [plugin-name]
+./scripts/dev/dev_plugin_setup.sh update [plugin-name]
 
 # Unlink plugin
-./dev_plugin_setup.sh unlink <plugin-name>
+./scripts/dev/dev_plugin_setup.sh unlink <plugin-name>
 ```
 
 ## Using These Files with Cursor
@@ -118,9 +127,13 @@ Refer to `plugins_guide.md` for:
 - **Plugin System**: `src/plugin_system/`
 - **Base Plugin**: `src/plugin_system/base_plugin.py`
 - **Plugin Manager**: `src/plugin_system/plugin_manager.py`
-- **Example Plugins**: `plugins/hockey-scoreboard/`, `plugins/football-scoreboard/`
+- **Example Plugins**: see the
+  [`ledmatrix-plugins`](https://github.com/ChuckBuilds/ledmatrix-plugins)
+  repo for canonical sources (e.g. `plugins/hockey-scoreboard/`,
+  `plugins/football-scoreboard/`). Installed plugins land in
+  `plugin-repos/` (default) or `plugins/` (dev fallback).
 - **Architecture Docs**: `docs/PLUGIN_ARCHITECTURE_SPEC.md`
-- **Development Setup**: `dev_plugin_setup.sh`
+- **Development Setup**: `scripts/dev/dev_plugin_setup.sh`
 
 ## Getting Help
 

.cursor/plugin_templates/QUICK_START.md

@@ -156,11 +156,15 @@ def _fetch_data(self):
 
 ### Adding Image Rendering
 
+There is no `draw_image()` helper on `DisplayManager`. To render an
+image, paste it directly onto the underlying PIL `Image`
+(`display_manager.image`) and then call `update_display()`:
+
 ```python
 def _render_content(self):
-    # Load and render image
+    # Load and paste image onto the display canvas
-    image = Image.open("assets/logo.png")
+    image = Image.open("assets/logo.png").convert("RGB")
-    self.display_manager.draw_image(image, x=0, y=0)
+    self.display_manager.image.paste(image, (0, 0))
 
     # Draw text overlay
     self.display_manager.draw_text(
@@ -168,8 +172,18 @@ def _render_content(self):
         x=10, y=20,
         color=(255, 255, 255)
     )
+
+    self.display_manager.update_display()
 ```
 
+For transparency, paste with a mask:
+
+```python
+icon = Image.open("assets/icon.png").convert("RGBA")
+self.display_manager.image.paste(icon, (5, 5), icon)
+```
+
+
 ### Adding Live Priority
 
 1. Enable in config:

.cursor/plugins_guide.md

@@ -53,13 +53,13 @@ This method is best for plugins stored in separate Git repositories.
 
 ```bash
 # Link a plugin from GitHub (auto-detects URL)
-./dev_plugin_setup.sh link-github <plugin-name>
+./scripts/dev/dev_plugin_setup.sh link-github <plugin-name>
 
 # Example: Link hockey-scoreboard plugin
-./dev_plugin_setup.sh link-github hockey-scoreboard
+./scripts/dev/dev_plugin_setup.sh link-github hockey-scoreboard
 
 # With custom URL
-./dev_plugin_setup.sh link-github <plugin-name> https://github.com/user/repo.git
+./scripts/dev/dev_plugin_setup.sh link-github <plugin-name> https://github.com/user/repo.git
 ```
 
 The script will:
@@ -71,10 +71,10 @@ The script will:
 
 ```bash
 # Link a local plugin repository
-./dev_plugin_setup.sh link <plugin-name> <path-to-repo>
+./scripts/dev/dev_plugin_setup.sh link <plugin-name> <path-to-repo>
 
 # Example: Link a local plugin
-./dev_plugin_setup.sh link my-plugin ../ledmatrix-my-plugin
+./scripts/dev/dev_plugin_setup.sh link my-plugin ../ledmatrix-my-plugin
 ```
 
 ### Method 2: Manual Plugin Creation
@@ -321,7 +321,8 @@ Each plugin has its own section in `config/config.json`:
 
 ### Secrets Management
 
-Store sensitive data (API keys, tokens) in `config/config_secrets.json`:
+Store sensitive data (API keys, tokens) in `config/config_secrets.json`
+under the same plugin id you use in `config/config.json`:
 
 ```json
 {
@@ -331,19 +332,21 @@ Store sensitive data (API keys, tokens) in `config/config_secrets.json`:
 }
 ```
 
-Reference secrets in main config:
+At load time, the config manager deep-merges `config_secrets.json` into
+the main config (verified at `src/config_manager.py:162-172`). So in
+your plugin's code:
 
-```json
+```python
-{
+class MyPlugin(BasePlugin):
-  "my-plugin": {
+    def __init__(self, plugin_id, config, display_manager, cache_manager, plugin_manager):
-    "enabled": true,
+        super().__init__(plugin_id, config, display_manager, cache_manager, plugin_manager)
-    "config_secrets": {
+        self.api_key = config.get("api_key")  # already merged from secrets
-      "api_key": "my-plugin.api_key"
-    }
-  }
-}
 ```
 
+There is no separate `config_secrets` reference field — just put the
+secret value under the same plugin namespace and read it from the
+merged config.
+
 ### Plugin Discovery
 
 Plugins are automatically discovered when:
@@ -355,7 +358,7 @@ Check discovered plugins:
 
 ```bash
 # Using dev_plugin_setup.sh
-./dev_plugin_setup.sh list
+./scripts/dev/dev_plugin_setup.sh list
 
 # Output shows:
 # ✓ plugin-name (symlink)
@@ -368,7 +371,7 @@ Check discovered plugins:
 Check plugin status and git information:
 
 ```bash
-./dev_plugin_setup.sh status
+./scripts/dev/dev_plugin_setup.sh status
 
 # Output shows:
 # ✓ plugin-name
@@ -391,13 +394,19 @@ cd ledmatrix-my-plugin
 
 # Link to LEDMatrix project
 cd /path/to/LEDMatrix
-./dev_plugin_setup.sh link my-plugin ../ledmatrix-my-plugin
+./scripts/dev/dev_plugin_setup.sh link my-plugin ../ledmatrix-my-plugin
 ```
 
 ### 2. Development Cycle
 
 1. **Edit plugin code** in linked repository
-2. **Test with emulator**: `python run.py --emulator`
+2. **Test with the dev preview server**:
+   `python3 scripts/dev_server.py` (then open `http://localhost:5001`).
+   Or run the full display in emulator mode with
+   `python3 run.py --emulator` (or equivalently
+   `EMULATOR=true python3 run.py`). The `-e`/`--emulator` CLI flag is
+   defined in `run.py:19-20` and sets the same `EMULATOR` environment
+   variable internally.
 3. **Check logs** for errors or warnings
 4. **Update configuration** in `config/config.json` if needed
 5. **Iterate** until plugin works correctly
@@ -406,30 +415,30 @@ cd /path/to/LEDMatrix
 
 ```bash
 # Deploy to Raspberry Pi
-rsync -avz plugins/my-plugin/ pi@raspberrypi:/path/to/LEDMatrix/plugins/my-plugin/
+rsync -avz plugins/my-plugin/ ledpi@your-pi-ip:/path/to/LEDMatrix/plugins/my-plugin/
 
 # Or if using git, pull on Pi
-ssh pi@raspberrypi "cd /path/to/LEDMatrix/plugins/my-plugin && git pull"
+ssh ledpi@your-pi-ip "cd /path/to/LEDMatrix/plugins/my-plugin && git pull"
 
 # Restart service
-ssh pi@raspberrypi "sudo systemctl restart ledmatrix"
+ssh ledpi@your-pi-ip "sudo systemctl restart ledmatrix"
 ```
 
 ### 4. Updating Plugins
 
 ```bash
 # Update single plugin from git
-./dev_plugin_setup.sh update my-plugin
+./scripts/dev/dev_plugin_setup.sh update my-plugin
 
 # Update all linked plugins
-./dev_plugin_setup.sh update
+./scripts/dev/dev_plugin_setup.sh update
 ```
 
 ### 5. Unlinking Plugins
 
 ```bash
 # Remove symlink (preserves repository)
-./dev_plugin_setup.sh unlink my-plugin
+./scripts/dev/dev_plugin_setup.sh unlink my-plugin
 ```
 
 ---
@@ -625,8 +634,8 @@ python run.py --emulator
 **Solutions**:
 1. Check symlink: `ls -la plugins/my-plugin`
 2. Verify target exists: `readlink -f plugins/my-plugin`
-3. Update plugin: `./dev_plugin_setup.sh update my-plugin`
+3. Update plugin: `./scripts/dev/dev_plugin_setup.sh update my-plugin`
-4. Re-link plugin if needed: `./dev_plugin_setup.sh unlink my-plugin && ./dev_plugin_setup.sh link my-plugin <path>`
+4. Re-link plugin if needed: `./scripts/dev/dev_plugin_setup.sh unlink my-plugin && ./scripts/dev/dev_plugin_setup.sh link my-plugin <path>`
 5. Check git status: `cd plugins/my-plugin && git status`
 
 ---
@@ -697,22 +706,22 @@ python run.py --emulator
 
 ```bash
 # Link plugin from GitHub
-./dev_plugin_setup.sh link-github <name>
+./scripts/dev/dev_plugin_setup.sh link-github <name>
 
 # Link local plugin
-./dev_plugin_setup.sh link <name> <path>
+./scripts/dev/dev_plugin_setup.sh link <name> <path>
 
 # List all plugins
-./dev_plugin_setup.sh list
+./scripts/dev/dev_plugin_setup.sh list
 
 # Check plugin status
-./dev_plugin_setup.sh status
+./scripts/dev/dev_plugin_setup.sh status
 
 # Update plugin(s)
-./dev_plugin_setup.sh update [name]
+./scripts/dev/dev_plugin_setup.sh update [name]
 
 # Unlink plugin
-./dev_plugin_setup.sh unlink <name>
+./scripts/dev/dev_plugin_setup.sh unlink <name>
 
 # Run with emulator
 python run.py --emulator

.cursorrules

@@ -2,7 +2,31 @@
 
 ## Plugin System Overview
 
-The LEDMatrix project uses a plugin-based architecture. All display functionality (except core calendar) is implemented as plugins that are dynamically loaded from the `plugins/` directory.
+The LEDMatrix project uses a plugin-based architecture. All display
+functionality (except core calendar) is implemented as plugins that are
+dynamically loaded from the directory configured by
+`plugin_system.plugins_directory` in `config.json` — the default is
+`plugin-repos/` (per `config/config.template.json:130`).
+
+> **Fallback note (scoped):** `PluginManager.discover_plugins()`
+> (`src/plugin_system/plugin_manager.py:154`) only scans the
+> configured directory — there is no fallback to `plugins/` in the
+> main discovery path. A fallback to `plugins/` does exist in two
+> narrower places:
+> - `store_manager.py:1700-1718` — store operations (install/update/
+>   uninstall) check `plugins/` if the plugin isn't found in the
+>   configured directory, so plugin-store flows work even when your
+>   dev symlinks live in `plugins/`.
+> - `schema_manager.py:70-80` — `get_schema_path()` probes both
+>   `plugins/` and `plugin-repos/` for `config_schema.json` so the
+>   web UI form generation finds the schema regardless of where the
+>   plugin lives.
+>
+> The dev workflow in `scripts/dev/dev_plugin_setup.sh` creates
+> symlinks under `plugins/`, which is why the store and schema
+> fallbacks exist. For day-to-day development, set
+> `plugin_system.plugins_directory` to `plugins` so the main
+> discovery path picks up your symlinks.
 
 ## Plugin Structure
 
@@ -27,14 +51,15 @@ The LEDMatrix project uses a plugin-based architecture. All display functionalit
 **Option A: Use dev_plugin_setup.sh (Recommended)**
 ```bash
 # Link from GitHub
-./dev_plugin_setup.sh link-github <plugin-name>
+./scripts/dev/dev_plugin_setup.sh link-github <plugin-name>
 
 # Link local repository
-./dev_plugin_setup.sh link <plugin-name> <path-to-repo>
+./scripts/dev/dev_plugin_setup.sh link <plugin-name> <path-to-repo>
 ```
 
 **Option B: Manual Setup**
-1. Create directory in `plugins/<plugin-id>/`
+1. Create directory in `plugin-repos/<plugin-id>/` (or `plugins/<plugin-id>/`
+   if you're using the dev fallback location)
 2. Add `manifest.json` with required fields
 3. Create `manager.py` with plugin class
 4. Add `config_schema.json` for configuration
@@ -63,7 +88,13 @@ Plugins are configured in `config/config.json`:
 ### 3. Testing Plugins
 
 **On Development Machine:**
-- Use emulator: `python run.py --emulator` or `./run_emulator.sh`
+- Run the dev preview server: `python3 scripts/dev_server.py` (then
+  open `http://localhost:5001`) — renders plugins in the browser
+  without running the full display loop
+- Or run the full display in emulator mode:
+  `python3 run.py --emulator` (or equivalently
+  `EMULATOR=true python3 run.py`, or `./scripts/dev/run_emulator.sh`).
+  The `-e`/`--emulator` CLI flag is defined in `run.py:19-20`.
 - Test plugin loading: Check logs for plugin discovery and loading
 - Validate configuration: Ensure config matches `config_schema.json`
 
@@ -75,15 +106,22 @@ Plugins are configured in `config/config.json`:
 ### 4. Plugin Development Best Practices
 
 **Code Organization:**
-- Keep plugin code in `plugins/<plugin-id>/`
+- Keep plugin code in `plugin-repos/<plugin-id>/` (or its dev-time
+  symlink in `plugins/<plugin-id>/`)
 - Use shared assets from `assets/` directory when possible
-- Follow existing plugin patterns (see `plugins/hockey-scoreboard/` as reference)
+- Follow existing plugin patterns — canonical sources live in the
+  [`ledmatrix-plugins`](https://github.com/ChuckBuilds/ledmatrix-plugins)
+  repo (`plugins/hockey-scoreboard/`, `plugins/football-scoreboard/`,
+  `plugins/clock-simple/`, etc.)
 - Place shared utilities in `src/common/` if reusable across plugins
 
 **Configuration Management:**
 - Use `config_schema.json` for validation
-- Store secrets in `config/config_secrets.json` (not in main config)
+- Store secrets in `config/config_secrets.json` under the same plugin
-- Reference secrets via `config_secrets` key in main config
+  id namespace as the main config — they're deep-merged into the main
+  config at load time (`src/config_manager.py:162-172`), so plugin
+  code reads them directly from `config.get(...)` like any other key
+- There is no separate `config_secrets` reference field
 - Validate all required fields in `validate_config()`
 
 **Error Handling:**
@@ -138,18 +176,32 @@ Located in: `src/display_manager.py`
 
 **Key Methods:**
 - `clear()`: Clear the display
-- `draw_text(text, x, y, color, font)`: Draw text
+- `draw_text(text, x, y, color, font, small_font, centered)`: Draw text
-- `draw_image(image, x, y)`: Draw PIL Image
+- `update_display()`: Push the buffer to the physical display
-- `update_display()`: Update physical display
+- `draw_weather_icon(condition, x, y, size)`: Draw a weather icon
 - `width`, `height`: Display dimensions
 
+**Image rendering**: there is no `draw_image()` helper. Paste directly
+onto the underlying PIL Image:
+```python
+self.display_manager.image.paste(pil_image, (x, y))
+self.display_manager.update_display()
+```
+For transparency, paste with a mask: `image.paste(rgba, (x, y), rgba)`.
+
 ### Cache Manager
 Located in: `src/cache_manager.py`
 
 **Key Methods:**
-- `get(key, max_age=None)`: Get cached value
+- `get(key, max_age=300)`: Get cached value (returns None if missing/stale)
 - `set(key, value, ttl=None)`: Cache a value
-- `delete(key)`: Remove cached value
+- `delete(key)` / `clear_cache(key=None)`: Remove a single cache entry,
+  or (for `clear_cache` with no argument) every cached entry. `delete`
+  is an alias for `clear_cache(key)`.
+- `get_cached_data_with_strategy(key, data_type)`: Cache get with
+  data-type-aware TTL strategy
+- `get_background_cached_data(key, sport_key)`: Cache get for the
+  background-fetch service path
 
 ## Plugin Manifest Schema
 

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,38 +1,84 @@
 ---
 name: Bug report
-about: Create a report to help us improve
+about: Report a problem with LEDMatrix
 title: ''
-labels: ''
+labels: bug
 assignees: ''
 
 ---
 
-**Describe the bug**
+<!--
-A clear and concise description of what the bug is.
+Before filing: please check existing issues to see if this is already
+reported. For security issues, see SECURITY.md and report privately.
+-->
 
-**To Reproduce**
+## Describe the bug
-Steps to reproduce the behavior:
-1. Go to '...'
-2. Click on '....'
-3. Scroll down to '....'
-4. See error
 
-**Expected behavior**
+<!-- A clear and concise description of what the bug is. -->
-A clear and concise description of what you expected to happen.
 
-**Screenshots**
+## Steps to reproduce
-If applicable, add screenshots to help explain your problem.
 
-**Desktop (please complete the following information):**
+1.
- - OS: [e.g. iOS]
+2.
- - Browser [e.g. chrome, safari]
+3.
- - Version [e.g. 22]
 
-**Smartphone (please complete the following information):**
+## Expected behavior
- - Device: [e.g. iPhone6]
- - OS: [e.g. iOS8.1]
- - Browser [e.g. stock browser, safari]
- - Version [e.g. 22]
 
-**Additional context**
+<!-- What you expected to happen. -->
-Add any other context about the problem here.
+
+## Actual behavior
+
+<!-- What actually happened. Include any error messages. -->
+
+## Hardware
+
+- **Raspberry Pi model**: <!-- e.g. Pi 3B+, Pi 4 8GB, Pi Zero 2W -->
+- **OS / kernel**: <!-- output of `cat /etc/os-release` and `uname -a` -->
+- **LED matrix panels**: <!-- e.g. 2x Adafruit 64x32, 1x Waveshare 96x48 -->
+- **HAT / Bonnet**: <!-- e.g. Adafruit RGB Matrix Bonnet, Electrodragon HAT -->
+- **PWM jumper mod soldered?**: <!-- yes / no -->
+- **Display chain**: <!-- chain_length × parallel, e.g. "2x1" -->
+
+## LEDMatrix version
+
+<!-- Run `git rev-parse HEAD` in the LEDMatrix directory, or paste the
+release tag if you installed from a release. -->
+
+```
+git commit:
+```
+
+## Plugin involved (if any)
+
+- **Plugin id**:
+- **Plugin version** (from `manifest.json`):
+
+## Configuration
+
+<!-- Paste the relevant section from config/config.json. Redact any
+API keys before pasting. For display issues, the `display.hardware`
+block is most relevant. For plugin issues, paste that plugin's section. -->
+
+```json
+```
+
+## Logs
+
+<!-- The first 50 lines of the relevant log are usually enough. Run:
+  sudo journalctl -u ledmatrix -n 100 --no-pager
+or for the web service:
+  sudo journalctl -u ledmatrix-web -n 100 --no-pager
+-->
+
+```
+```
+
+## Screenshots / video (optional)
+
+<!-- A photo of the actual display, or a screenshot of the web UI,
+helps a lot for visual issues. -->
+
+## Additional context
+
+<!-- Anything else that might be relevant: when did this start happening,
+what's different about your setup, what have you already tried, etc. -->

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,62 @@
+# Pull Request
+
+## Summary
+
+<!-- 1-3 sentences describing what this PR does and why. -->
+
+## Type of change
+
+<!-- Check all that apply. -->
+
+- [ ] Bug fix
+- [ ] New feature
+- [ ] Documentation
+- [ ] Refactor (no functional change)
+- [ ] Build / CI
+- [ ] Plugin work (link to the plugin)
+
+## Related issues
+
+<!-- "Fixes #123" or "Refs #123". Use "Fixes" for bug PRs so the issue
+auto-closes when this merges. -->
+
+## Test plan
+
+<!-- How did you test this? Check all that apply. Add details for any
+checked box. -->
+
+- [ ] Ran on a real Raspberry Pi with hardware
+- [ ] Ran in emulator mode (`EMULATOR=true python3 run.py`)
+- [ ] Ran the dev preview server (`scripts/dev_server.py`)
+- [ ] Ran the test suite (`pytest`)
+- [ ] Manually verified the affected code path in the web UI
+- [ ] N/A — documentation-only change
+
+## Documentation
+
+- [ ] I updated `README.md` if user-facing behavior changed
+- [ ] I updated the relevant doc in `docs/` if developer behavior changed
+- [ ] I added/updated docstrings on new public functions
+- [ ] N/A — no docs needed
+
+## Plugin compatibility
+
+<!-- For changes to BasePlugin, the plugin loader, the web UI, or the
+config schema. -->
+
+- [ ] No plugin breakage expected
+- [ ] Some plugins will need updates — listed below
+- [ ] N/A — change doesn't touch the plugin system
+
+## Checklist
+
+- [ ] My commits follow the message convention in `CONTRIBUTING.md`
+- [ ] I read `CONTRIBUTING.md` and `CODE_OF_CONDUCT.md`
+- [ ] I've not committed any secrets or hardcoded API keys
+- [ ] If this adds a new config key, the form in the web UI was
+      verified (the form is generated from `config_schema.json`)
+
+## Notes for reviewer
+
+<!-- Anything reviewers should know — gotchas, things you weren't
+sure about, decisions you'd like a second opinion on. -->

.gitmodules

@@ -1,3 +1,4 @@
 [submodule "rpi-rgb-led-matrix-master"]
 	path = rpi-rgb-led-matrix-master
 	url = https://github.com/hzeller/rpi-rgb-led-matrix.git
+	branch = master

CLAUDE.md

@@ -4,8 +4,14 @@
 - `src/plugin_system/` — Plugin loader, manager, store manager, base plugin class
 - `web_interface/` — Flask web UI (blueprints, templates, static JS)
 - `config/config.json` — User plugin configuration (persists across plugin reinstalls)
-- `plugins/` — Installed plugins directory (gitignored)
+- `plugin-repos/` — **Default** plugin install directory used by the
-- `plugin-repos/` — Development symlinks to monorepo plugin dirs
+  Plugin Store, set by `plugin_system.plugins_directory` in
+  `config.json` (default per `config/config.template.json:130`).
+  Not gitignored.
+- `plugins/` — Legacy/dev plugin location. Gitignored (`plugins/*`).
+  Used by `scripts/dev/dev_plugin_setup.sh` for symlinks. The plugin
+  loader falls back to it when something isn't found in `plugin-repos/`
+  (`src/plugin_system/schema_manager.py:77`).
 
 ## Plugin System
 - Plugins inherit from `BasePlugin` in `src/plugin_system/base_plugin.py`

CODE_OF_CONDUCT.md

@@ -0,0 +1,137 @@
+# Contributor Covenant Code of Conduct
+
+## Our Pledge
+
+We as members, contributors, and leaders pledge to make participation in our
+community a harassment-free experience for everyone, regardless of age, body
+size, visible or invisible disability, ethnicity, sex characteristics, gender
+identity and expression, level of experience, education, socio-economic status,
+nationality, personal appearance, race, religion, or sexual identity
+and orientation.
+
+We pledge to act and interact in ways that contribute to an open, welcoming,
+diverse, inclusive, and healthy community.
+
+## Our Standards
+
+Examples of behavior that contributes to a positive environment for our
+community include:
+
+* Demonstrating empathy and kindness toward other people
+* Being respectful of differing opinions, viewpoints, and experiences
+* Giving and gracefully accepting constructive feedback
+* Accepting responsibility and apologizing to those affected by our mistakes,
+  and learning from the experience
+* Focusing on what is best not just for us as individuals, but for the
+  overall community
+
+Examples of unacceptable behavior include:
+
+* The use of sexualized language or imagery, and sexual attention or
+  advances of any kind
+* Trolling, insulting or derogatory comments, and personal or political attacks
+* Public or private harassment
+* Publishing others' private information, such as a physical or email
+  address, without their explicit permission
+* Other conduct which could reasonably be considered inappropriate in a
+  professional setting
+
+## Enforcement Responsibilities
+
+Community leaders are responsible for clarifying and enforcing our standards of
+acceptable behavior and will take appropriate and fair corrective action in
+response to any behavior that they deem inappropriate, threatening, offensive,
+or harmful.
+
+Community leaders have the right and responsibility to remove, edit, or reject
+comments, commits, code, wiki edits, issues, and other contributions that are
+not aligned to this Code of Conduct, and will communicate reasons for moderation
+decisions when appropriate.
+
+## Scope
+
+This Code of Conduct applies within all community spaces, and also applies when
+an individual is officially representing the community in public spaces.
+Examples of representing our community include using an official email address,
+posting via an official social media account, or acting as an appointed
+representative at an online or offline event.
+
+This includes the LEDMatrix Discord server, GitHub repositories owned by
+ChuckBuilds, and any other forums hosted by or affiliated with the project.
+
+## Enforcement
+
+Instances of abusive, harassing, or otherwise unacceptable behavior may be
+reported to the community leaders responsible for enforcement on the
+[LEDMatrix Discord](https://discord.gg/uW36dVAtcT) (DM a moderator or
+ChuckBuilds directly) or by opening a private GitHub Security Advisory if
+the issue involves account safety. All complaints will be reviewed and
+investigated promptly and fairly.
+
+All community leaders are obligated to respect the privacy and security of the
+reporter of any incident.
+
+## Enforcement Guidelines
+
+Community leaders will follow these Community Impact Guidelines in determining
+the consequences for any action they deem in violation of this Code of Conduct:
+
+### 1. Correction
+
+**Community Impact**: Use of inappropriate language or other behavior deemed
+unprofessional or unwelcome in the community.
+
+**Consequence**: A private, written warning from community leaders, providing
+clarity around the nature of the violation and an explanation of why the
+behavior was inappropriate. A public apology may be requested.
+
+### 2. Warning
+
+**Community Impact**: A violation through a single incident or series
+of actions.
+
+**Consequence**: A warning with consequences for continued behavior. No
+interaction with the people involved, including unsolicited interaction with
+those enforcing the Code of Conduct, for a specified period of time. This
+includes avoiding interactions in community spaces as well as external channels
+like social media. Violating these terms may lead to a temporary or
+permanent ban.
+
+### 3. Temporary Ban
+
+**Community Impact**: A serious violation of community standards, including
+sustained inappropriate behavior.
+
+**Consequence**: A temporary ban from any sort of interaction or public
+communication with the community for a specified period of time. No public or
+private interaction with the people involved, including unsolicited interaction
+with those enforcing the Code of Conduct, is allowed during this period.
+Violating these terms may lead to a permanent ban.
+
+### 4. Permanent Ban
+
+**Community Impact**: Demonstrating a pattern of violation of community
+standards, including sustained inappropriate behavior, harassment of an
+individual, or aggression toward or disparagement of classes of individuals.
+
+**Consequence**: A permanent ban from any sort of public interaction within
+the community.
+
+## Attribution
+
+This Code of Conduct is adapted from the [Contributor Covenant][homepage],
+version 2.1, available at
+[https://www.contributor-covenant.org/version/2/1/code_of_conduct.html][v2.1].
+
+Community Impact Guidelines were inspired by
+[Mozilla's code of conduct enforcement ladder][Mozilla CoC].
+
+For answers to common questions about this code of conduct, see the FAQ at
+[https://www.contributor-covenant.org/faq][FAQ]. Translations are available
+at [https://www.contributor-covenant.org/translations][translations].
+
+[homepage]: https://www.contributor-covenant.org
+[v2.1]: https://www.contributor-covenant.org/version/2/1/code_of_conduct.html
+[Mozilla CoC]: https://github.com/mozilla/diversity
+[FAQ]: https://www.contributor-covenant.org/faq
+[translations]: https://www.contributor-covenant.org/translations

CONTRIBUTING.md

@@ -0,0 +1,113 @@
+# Contributing to LEDMatrix
+
+Thanks for considering a contribution! LEDMatrix is built with help from
+the community and we welcome bug reports, plugins, documentation
+improvements, and code changes.
+
+## Quick links
+
+- **Bugs / feature requests**: open an issue using one of the templates
+  in [`.github/ISSUE_TEMPLATE/`](.github/ISSUE_TEMPLATE/).
+- **Real-time discussion**: the
+  [LEDMatrix Discord](https://discord.gg/uW36dVAtcT).
+- **Plugin development**:
+  [`docs/PLUGIN_DEVELOPMENT_GUIDE.md`](docs/PLUGIN_DEVELOPMENT_GUIDE.md)
+  and the [`ledmatrix-plugins`](https://github.com/ChuckBuilds/ledmatrix-plugins)
+  repository.
+- **Security issues**: see [`SECURITY.md`](SECURITY.md). Please don't
+  open public issues for vulnerabilities.
+
+## Setting up a development environment
+
+1. Clone with submodules:
+   ```bash
+   git clone --recurse-submodules https://github.com/ChuckBuilds/LEDMatrix.git
+   cd LEDMatrix
+   ```
+2. For development without hardware, run the dev preview server:
+   ```bash
+   python3 scripts/dev_server.py
+   # then open http://localhost:5001
+   ```
+   See [`docs/DEV_PREVIEW.md`](docs/DEV_PREVIEW.md) for details.
+3. To run the full display in emulator mode:
+   ```bash
+   EMULATOR=true python3 run.py
+   ```
+4. To target real hardware on a Raspberry Pi, follow the install
+   instructions in the root [`README.md`](README.md).
+
+## Running the tests
+
+```bash
+pip install -r requirements.txt
+pytest
+```
+
+See [`docs/HOW_TO_RUN_TESTS.md`](docs/HOW_TO_RUN_TESTS.md) for details
+on test markers, the per-plugin tests, and the web-interface
+integration tests.
+
+## Submitting changes
+
+1. **Open an issue first** for non-trivial changes. This avoids
+   wasted work on PRs that don't fit the project direction.
+2. **Create a topic branch** off `main`:
+   `feat/<short-description>`, `fix/<short-description>`,
+   `docs/<short-description>`.
+3. **Keep PRs focused.** One conceptual change per PR. If you find
+   adjacent bugs while working, fix them in a separate PR.
+4. **Follow the existing code style.** Python code uses standard
+   `black`/`ruff` conventions; HTML/JS in `web_interface/` follows the
+   patterns already in `templates/v3/` and `static/v3/`.
+5. **Update documentation** alongside code changes. If you add a
+   config key, document it in the relevant `*.md` file (or, for
+   plugins, in `config_schema.json` so the form is auto-generated).
+6. **Run the tests** locally before opening the PR.
+7. **Use the PR template** — `.github/PULL_REQUEST_TEMPLATE.md` will
+   prompt you for what we need.
+
+## Commit message convention
+
+Conventional Commits is encouraged but not strictly enforced:
+
+- `feat: add NHL playoff bracket display`
+- `fix(plugin-loader): handle missing class_name in manifest`
+- `docs: correct web UI port in TROUBLESHOOTING.md`
+- `refactor(cache): consolidate strategy lookup`
+
+Keep the subject under 72 characters; put the why in the body.
+
+## Contributing a plugin
+
+LEDMatrix plugins live in their own repository:
+[`ledmatrix-plugins`](https://github.com/ChuckBuilds/ledmatrix-plugins).
+Plugin contributions go through that repo's
+[`SUBMISSION.md`](https://github.com/ChuckBuilds/ledmatrix-plugins/blob/main/SUBMISSION.md)
+process. The
+[`hello-world` plugin](https://github.com/ChuckBuilds/ledmatrix-plugins/tree/main/plugins/hello-world)
+is the canonical starter template.
+
+## Reviewing pull requests
+
+Maintainer review is by [@ChuckBuilds](https://github.com/ChuckBuilds).
+Community review is welcome on any open PR — leave constructive
+comments, test on your hardware if applicable, and call out anything
+unclear.
+
+## Code of conduct
+
+This project follows the [Contributor Covenant](CODE_OF_CONDUCT.md). By
+participating you agree to abide by its terms.
+
+## License
+
+LEDMatrix is licensed under the [GNU General Public License v3.0 or
+later](LICENSE). By submitting a contribution you agree to license it
+under the same terms (the standard "inbound = outbound" rule that
+GitHub applies by default).
+
+LEDMatrix builds on
+[`rpi-rgb-led-matrix`](https://github.com/hzeller/rpi-rgb-led-matrix),
+which is GPL-2.0-or-later. The "or later" clause makes it compatible
+with GPL-3.0 distribution.

LICENSE

@@ -0,0 +1,674 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+                            Preamble
+
+  The GNU General Public License is a free, copyleft license for
+software and other kinds of works.
+
+  The licenses for most software and other practical works are designed
+to take away your freedom to share and change the works.  By contrast,
+the GNU General Public License is intended to guarantee your freedom to
+share and change all versions of a program--to make sure it remains free
+software for all its users.  We, the Free Software Foundation, use the
+GNU General Public License for most of our software; it applies also to
+any other work released this way by its authors.  You can apply it to
+your programs, too.
+
+  When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+them if you wish), that you receive source code or can get it if you
+want it, that you can change the software or use pieces of it in new
+free programs, and that you know you can do these things.
+
+  To protect your rights, we need to prevent others from denying you
+these rights or asking you to surrender the rights.  Therefore, you have
+certain responsibilities if you distribute copies of the software, or if
+you modify it: responsibilities to respect the freedom of others.
+
+  For example, if you distribute copies of such a program, whether
+gratis or for a fee, you must pass on to the recipients the same
+freedoms that you received.  You must make sure that they, too, receive
+or can get the source code.  And you must show them these terms so they
+know their rights.
+
+  Developers that use the GNU GPL protect your rights with two steps:
+(1) assert copyright on the software, and (2) offer you this License
+giving you legal permission to copy, distribute and/or modify it.
+
+  For the developers' and authors' protection, the GPL clearly explains
+that there is no warranty for this free software.  For both users' and
+authors' sake, the GPL requires that modified versions be marked as
+changed, so that their problems will not be attributed erroneously to
+authors of previous versions.
+
+  Some devices are designed to deny users access to install or run
+modified versions of the software inside them, although the manufacturer
+can do so.  This is fundamentally incompatible with the aim of
+protecting users' freedom to change the software.  The systematic
+pattern of such abuse occurs in the area of products for individuals to
+use, which is precisely where it is most unacceptable.  Therefore, we
+have designed this version of the GPL to prohibit the practice for those
+products.  If such problems arise substantially in other domains, we
+stand ready to extend this provision to those domains in future versions
+of the GPL, as needed to protect the freedom of users.
+
+  Finally, every program is threatened constantly by software patents.
+States should not allow patents to restrict development and use of
+software on general-purpose computers, but in those that do, we wish to
+avoid the special danger that patents applied to a free program could
+make it effectively proprietary.  To prevent this, the GPL assures that
+patents cannot be used to render the program non-free.
+
+  The precise terms and conditions for copying, distribution and
+modification follow.
+
+                       TERMS AND CONDITIONS
+
+  0. Definitions.
+
+  "This License" refers to version 3 of the GNU General Public License.
+
+  "Copyright" also means copyright-like laws that apply to other kinds of
+works, such as semiconductor masks.
+
+  "The Program" refers to any copyrightable work licensed under this
+License.  Each licensee is addressed as "you".  "Licensees" and
+"recipients" may be individuals or organizations.
+
+  To "modify" a work means to copy from or adapt all or part of the work
+in a fashion requiring copyright permission, other than the making of an
+exact copy.  The resulting work is called a "modified version" of the
+earlier work or a work "based on" the earlier work.
+
+  A "covered work" means either the unmodified Program or a work based
+on the Program.
+
+  To "propagate" a work means to do anything with it that, without
+permission, would make you directly or secondarily liable for
+infringement under applicable copyright law, except executing it on a
+computer or modifying a private copy.  Propagation includes copying,
+distribution (with or without modification), making available to the
+public, and in some countries other activities as well.
+
+  To "convey" a work means any kind of propagation that enables other
+parties to make or receive copies.  Mere interaction with a user through
+a computer network, with no transfer of a copy, is not conveying.
+
+  An interactive user interface displays "Appropriate Legal Notices"
+to the extent that it includes a convenient and prominently visible
+feature that (1) displays an appropriate copyright notice, and (2)
+tells the user that there is no warranty for the work (except to the
+extent that warranties are provided), that licensees may convey the
+work under this License, and how to view a copy of this License.  If
+the interface presents a list of user commands or options, such as a
+menu, a prominent item in the list meets this criterion.
+
+  1. Source Code.
+
+  The "source code" for a work means the preferred form of the work
+for making modifications to it.  "Object code" means any non-source
+form of a work.
+
+  A "Standard Interface" means an interface that either is an official
+standard defined by a recognized standards body, or, in the case of
+interfaces specified for a particular programming language, one that
+is widely used among developers working in that language.
+
+  The "System Libraries" of an executable work include anything, other
+than the work as a whole, that (a) is included in the normal form of
+packaging a Major Component, but which is not part of that Major
+Component, and (b) serves only to enable use of the work with that
+Major Component, or to implement a Standard Interface for which an
+implementation is available to the public in source code form.  A
+"Major Component", in this context, means a major essential component
+(kernel, window system, and so on) of the specific operating system
+(if any) on which the executable work runs, or a compiler used to
+produce the work, or an object code interpreter used to run it.
+
+  The "Corresponding Source" for a work in object code form means all
+the source code needed to generate, install, and (for an executable
+work) run the object code and to modify the work, including scripts to
+control those activities.  However, it does not include the work's
+System Libraries, or general-purpose tools or generally available free
+programs which are used unmodified in performing those activities but
+which are not part of the work.  For example, Corresponding Source
+includes interface definition files associated with source files for
+the work, and the source code for shared libraries and dynamically
+linked subprograms that the work is specifically designed to require,
+such as by intimate data communication or control flow between those
+subprograms and other parts of the work.
+
+  The Corresponding Source need not include anything that users
+can regenerate automatically from other parts of the Corresponding
+Source.
+
+  The Corresponding Source for a work in source code form is that
+same work.
+
+  2. Basic Permissions.
+
+  All rights granted under this License are granted for the term of
+copyright on the Program, and are irrevocable provided the stated
+conditions are met.  This License explicitly affirms your unlimited
+permission to run the unmodified Program.  The output from running a
+covered work is covered by this License only if the output, given its
+content, constitutes a covered work.  This License acknowledges your
+rights of fair use or other equivalent, as provided by copyright law.
+
+  You may make, run and propagate covered works that you do not
+convey, without conditions so long as your license otherwise remains
+in force.  You may convey covered works to others for the sole purpose
+of having them make modifications exclusively for you, or provide you
+with facilities for running those works, provided that you comply with
+the terms of this License in conveying all material for which you do
+not control copyright.  Those thus making or running the covered works
+for you must do so exclusively on your behalf, under your direction
+and control, on terms that prohibit them from making any copies of
+your copyrighted material outside their relationship with you.
+
+  Conveying under any other circumstances is permitted solely under
+the conditions stated below.  Sublicensing is not allowed; section 10
+makes it unnecessary.
+
+  3. Protecting Users' Legal Rights From Anti-Circumvention Law.
+
+  No covered work shall be deemed part of an effective technological
+measure under any applicable law fulfilling obligations under article
+11 of the WIPO copyright treaty adopted on 20 December 1996, or
+similar laws prohibiting or restricting circumvention of such
+measures.
+
+  When you convey a covered work, you waive any legal power to forbid
+circumvention of technological measures to the extent such circumvention
+is effected by exercising rights under this License with respect to
+the covered work, and you disclaim any intention to limit operation or
+modification of the work as a means of enforcing, against the work's
+users, your or third parties' legal rights to forbid circumvention of
+technological measures.
+
+  4. Conveying Verbatim Copies.
+
+  You may convey verbatim copies of the Program's source code as you
+receive it, in any medium, provided that you conspicuously and
+appropriately publish on each copy an appropriate copyright notice;
+keep intact all notices stating that this License and any
+non-permissive terms added in accord with section 7 apply to the code;
+keep intact all notices of the absence of any warranty; and give all
+recipients a copy of this License along with the Program.
+
+  You may charge any price or no price for each copy that you convey,
+and you may offer support or warranty protection for a fee.
+
+  5. Conveying Modified Source Versions.
+
+  You may convey a work based on the Program, or the modifications to
+produce it from the Program, in the form of source code under the
+terms of section 4, provided that you also meet all of these conditions:
+
+    a) The work must carry prominent notices stating that you modified
+    it, and giving a relevant date.
+
+    b) The work must carry prominent notices stating that it is
+    released under this License and any conditions added under section
+    7.  This requirement modifies the requirement in section 4 to
+    "keep intact all notices".
+
+    c) You must license the entire work, as a whole, under this
+    License to anyone who comes into possession of a copy.  This
+    License will therefore apply, along with any applicable section 7
+    additional terms, to the whole of the work, and all its parts,
+    regardless of how they are packaged.  This License gives no
+    permission to license the work in any other way, but it does not
+    invalidate such permission if you have separately received it.
+
+    d) If the work has interactive user interfaces, each must display
+    Appropriate Legal Notices; however, if the Program has interactive
+    interfaces that do not display Appropriate Legal Notices, your
+    work need not make them do so.
+
+  A compilation of a covered work with other separate and independent
+works, which are not by their nature extensions of the covered work,
+and which are not combined with it such as to form a larger program,
+in or on a volume of a storage or distribution medium, is called an
+"aggregate" if the compilation and its resulting copyright are not
+used to limit the access or legal rights of the compilation's users
+beyond what the individual works permit.  Inclusion of a covered work
+in an aggregate does not cause this License to apply to the other
+parts of the aggregate.
+
+  6. Conveying Non-Source Forms.
+
+  You may convey a covered work in object code form under the terms
+of sections 4 and 5, provided that you also convey the
+machine-readable Corresponding Source under the terms of this License,
+in one of these ways:
+
+    a) Convey the object code in, or embodied in, a physical product
+    (including a physical distribution medium), accompanied by the
+    Corresponding Source fixed on a durable physical medium
+    customarily used for software interchange.
+
+    b) Convey the object code in, or embodied in, a physical product
+    (including a physical distribution medium), accompanied by a
+    written offer, valid for at least three years and valid for as
+    long as you offer spare parts or customer support for that product
+    model, to give anyone who possesses the object code either (1) a
+    copy of the Corresponding Source for all the software in the
+    product that is covered by this License, on a durable physical
+    medium customarily used for software interchange, for a price no
+    more than your reasonable cost of physically performing this
+    conveying of source, or (2) access to copy the
+    Corresponding Source from a network server at no charge.
+
+    c) Convey individual copies of the object code with a copy of the
+    written offer to provide the Corresponding Source.  This
+    alternative is allowed only occasionally and noncommercially, and
+    only if you received the object code with such an offer, in accord
+    with subsection 6b.
+
+    d) Convey the object code by offering access from a designated
+    place (gratis or for a charge), and offer equivalent access to the
+    Corresponding Source in the same way through the same place at no
+    further charge.  You need not require recipients to copy the
+    Corresponding Source along with the object code.  If the place to
+    copy the object code is a network server, the Corresponding Source
+    may be on a different server (operated by you or a third party)
+    that supports equivalent copying facilities, provided you maintain
+    clear directions next to the object code saying where to find the
+    Corresponding Source.  Regardless of what server hosts the
+    Corresponding Source, you remain obligated to ensure that it is
+    available for as long as needed to satisfy these requirements.
+
+    e) Convey the object code using peer-to-peer transmission, provided
+    you inform other peers where the object code and Corresponding
+    Source of the work are being offered to the general public at no
+    charge under subsection 6d.
+
+  A separable portion of the object code, whose source code is excluded
+from the Corresponding Source as a System Library, need not be
+included in conveying the object code work.
+
+  A "User Product" is either (1) a "consumer product", which means any
+tangible personal property which is normally used for personal, family,
+or household purposes, or (2) anything designed or sold for incorporation
+into a dwelling.  In determining whether a product is a consumer product,
+doubtful cases shall be resolved in favor of coverage.  For a particular
+product received by a particular user, "normally used" refers to a
+typical or common use of that class of product, regardless of the status
+of the particular user or of the way in which the particular user
+actually uses, or expects or is expected to use, the product.  A product
+is a consumer product regardless of whether the product has substantial
+commercial, industrial or non-consumer uses, unless such uses represent
+the only significant mode of use of the product.
+
+  "Installation Information" for a User Product means any methods,
+procedures, authorization keys, or other information required to install
+and execute modified versions of a covered work in that User Product from
+a modified version of its Corresponding Source.  The information must
+suffice to ensure that the continued functioning of the modified object
+code is in no case prevented or interfered with solely because
+modification has been made.
+
+  If you convey an object code work under this section in, or with, or
+specifically for use in, a User Product, and the conveying occurs as
+part of a transaction in which the right of possession and use of the
+User Product is transferred to the recipient in perpetuity or for a
+fixed term (regardless of how the transaction is characterized), the
+Corresponding Source conveyed under this section must be accompanied
+by the Installation Information.  But this requirement does not apply
+if neither you nor any third party retains the ability to install
+modified object code on the User Product (for example, the work has
+been installed in ROM).
+
+  The requirement to provide Installation Information does not include a
+requirement to continue to provide support service, warranty, or updates
+for a work that has been modified or installed by the recipient, or for
+the User Product in which it has been modified or installed.  Access to a
+network may be denied when the modification itself materially and
+adversely affects the operation of the network or violates the rules and
+protocols for communication across the network.
+
+  Corresponding Source conveyed, and Installation Information provided,
+in accord with this section must be in a format that is publicly
+documented (and with an implementation available to the public in
+source code form), and must require no special password or key for
+unpacking, reading or copying.
+
+  7. Additional Terms.
+
+  "Additional permissions" are terms that supplement the terms of this
+License by making exceptions from one or more of its conditions.
+Additional permissions that are applicable to the entire Program shall
+be treated as though they were included in this License, to the extent
+that they are valid under applicable law.  If additional permissions
+apply only to part of the Program, that part may be used separately
+under those permissions, but the entire Program remains governed by
+this License without regard to the additional permissions.
+
+  When you convey a copy of a covered work, you may at your option
+remove any additional permissions from that copy, or from any part of
+it.  (Additional permissions may be written to require their own
+removal in certain cases when you modify the work.)  You may place
+additional permissions on material, added by you to a covered work,
+for which you have or can give appropriate copyright permission.
+
+  Notwithstanding any other provision of this License, for material you
+add to a covered work, you may (if authorized by the copyright holders of
+that material) supplement the terms of this License with terms:
+
+    a) Disclaiming warranty or limiting liability differently from the
+    terms of sections 15 and 16 of this License; or
+
+    b) Requiring preservation of specified reasonable legal notices or
+    author attributions in that material or in the Appropriate Legal
+    Notices displayed by works containing it; or
+
+    c) Prohibiting misrepresentation of the origin of that material, or
+    requiring that modified versions of such material be marked in
+    reasonable ways as different from the original version; or
+
+    d) Limiting the use for publicity purposes of names of licensors or
+    authors of the material; or
+
+    e) Declining to grant rights under trademark law for use of some
+    trade names, trademarks, or service marks; or
+
+    f) Requiring indemnification of licensors and authors of that
+    material by anyone who conveys the material (or modified versions of
+    it) with contractual assumptions of liability to the recipient, for
+    any liability that these contractual assumptions directly impose on
+    those licensors and authors.
+
+  All other non-permissive additional terms are considered "further
+restrictions" within the meaning of section 10.  If the Program as you
+received it, or any part of it, contains a notice stating that it is
+governed by this License along with a term that is a further
+restriction, you may remove that term.  If a license document contains
+a further restriction but permits relicensing or conveying under this
+License, you may add to a covered work material governed by the terms
+of that license document, provided that the further restriction does
+not survive such relicensing or conveying.
+
+  If you add terms to a covered work in accord with this section, you
+must place, in the relevant source files, a statement of the
+additional terms that apply to those files, or a notice indicating
+where to find the applicable terms.
+
+  Additional terms, permissive or non-permissive, may be stated in the
+form of a separately written license, or stated as exceptions;
+the above requirements apply either way.
+
+  8. Termination.
+
+  You may not propagate or modify a covered work except as expressly
+provided under this License.  Any attempt otherwise to propagate or
+modify it is void, and will automatically terminate your rights under
+this License (including any patent licenses granted under the third
+paragraph of section 11).
+
+  However, if you cease all violation of this License, then your
+license from a particular copyright holder is reinstated (a)
+provisionally, unless and until the copyright holder explicitly and
+finally terminates your license, and (b) permanently, if the copyright
+holder fails to notify you of the violation by some reasonable means
+prior to 60 days after the cessation.
+
+  Moreover, your license from a particular copyright holder is
+reinstated permanently if the copyright holder notifies you of the
+violation by some reasonable means, this is the first time you have
+received notice of violation of this License (for any work) from that
+copyright holder, and you cure the violation prior to 30 days after
+your receipt of the notice.
+
+  Termination of your rights under this section does not terminate the
+licenses of parties who have received copies or rights from you under
+this License.  If your rights have been terminated and not permanently
+reinstated, you do not qualify to receive new licenses for the same
+material under section 10.
+
+  9. Acceptance Not Required for Having Copies.
+
+  You are not required to accept this License in order to receive or
+run a copy of the Program.  Ancillary propagation of a covered work
+occurring solely as a consequence of using peer-to-peer transmission
+to receive a copy likewise does not require acceptance.  However,
+nothing other than this License grants you permission to propagate or
+modify any covered work.  These actions infringe copyright if you do
+not accept this License.  Therefore, by modifying or propagating a
+covered work, you indicate your acceptance of this License to do so.
+
+  10. Automatic Licensing of Downstream Recipients.
+
+  Each time you convey a covered work, the recipient automatically
+receives a license from the original licensors, to run, modify and
+propagate that work, subject to this License.  You are not responsible
+for enforcing compliance by third parties with this License.
+
+  An "entity transaction" is a transaction transferring control of an
+organization, or substantially all assets of one, or subdividing an
+organization, or merging organizations.  If propagation of a covered
+work results from an entity transaction, each party to that
+transaction who receives a copy of the work also receives whatever
+licenses to the work the party's predecessor in interest had or could
+give under the previous paragraph, plus a right to possession of the
+Corresponding Source of the work from the predecessor in interest, if
+the predecessor has it or can get it with reasonable efforts.
+
+  You may not impose any further restrictions on the exercise of the
+rights granted or affirmed under this License.  For example, you may
+not impose a license fee, royalty, or other charge for exercise of
+rights granted under this License, and you may not initiate litigation
+(including a cross-claim or counterclaim in a lawsuit) alleging that
+any patent claim is infringed by making, using, selling, offering for
+sale, or importing the Program or any portion of it.
+
+  11. Patents.
+
+  A "contributor" is a copyright holder who authorizes use under this
+License of the Program or a work on which the Program is based.  The
+work thus licensed is called the contributor's "contributor version".
+
+  A contributor's "essential patent claims" are all patent claims
+owned or controlled by the contributor, whether already acquired or
+hereafter acquired, that would be infringed by some manner, permitted
+by this License, of making, using, or selling its contributor version,
+but do not include claims that would be infringed only as a
+consequence of further modification of the contributor version.  For
+purposes of this definition, "control" includes the right to grant
+patent sublicenses in a manner consistent with the requirements of
+this License.
+
+  Each contributor grants you a non-exclusive, worldwide, royalty-free
+patent license under the contributor's essential patent claims, to
+make, use, sell, offer for sale, import and otherwise run, modify and
+propagate the contents of its contributor version.
+
+  In the following three paragraphs, a "patent license" is any express
+agreement or commitment, however denominated, not to enforce a patent
+(such as an express permission to practice a patent or covenant not to
+sue for patent infringement).  To "grant" such a patent license to a
+party means to make such an agreement or commitment not to enforce a
+patent against the party.
+
+  If you convey a covered work, knowingly relying on a patent license,
+and the Corresponding Source of the work is not available for anyone
+to copy, free of charge and under the terms of this License, through a
+publicly available network server or other readily accessible means,
+then you must either (1) cause the Corresponding Source to be so
+available, or (2) arrange to deprive yourself of the benefit of the
+patent license for this particular work, or (3) arrange, in a manner
+consistent with the requirements of this License, to extend the patent
+license to downstream recipients.  "Knowingly relying" means you have
+actual knowledge that, but for the patent license, your conveying the
+covered work in a country, or your recipient's use of the covered work
+in a country, would infringe one or more identifiable patents in that
+country that you have reason to believe are valid.
+
+  If, pursuant to or in connection with a single transaction or
+arrangement, you convey, or propagate by procuring conveyance of, a
+covered work, and grant a patent license to some of the parties
+receiving the covered work authorizing them to use, propagate, modify
+or convey a specific copy of the covered work, then the patent license
+you grant is automatically extended to all recipients of the covered
+work and works based on it.
+
+  A patent license is "discriminatory" if it does not include within
+the scope of its coverage, prohibits the exercise of, or is
+conditioned on the non-exercise of one or more of the rights that are
+specifically granted under this License.  You may not convey a covered
+work if you are a party to an arrangement with a third party that is
+in the business of distributing software, under which you make payment
+to the third party based on the extent of your activity of conveying
+the work, and under which the third party grants, to any of the
+parties who would receive the covered work from you, a discriminatory
+patent license (a) in connection with copies of the covered work
+conveyed by you (or copies made from those copies), or (b) primarily
+for and in connection with specific products or compilations that
+contain the covered work, unless you entered into that arrangement,
+or that patent license was granted, prior to 28 March 2007.
+
+  Nothing in this License shall be construed as excluding or limiting
+any implied license or other defenses to infringement that may
+otherwise be available to you under applicable patent law.
+
+  12. No Surrender of Others' Freedom.
+
+  If conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License.  If you cannot convey a
+covered work so as to satisfy simultaneously your obligations under this
+License and any other pertinent obligations, then as a consequence you may
+not convey it at all.  For example, if you agree to terms that obligate you
+to collect a royalty for further conveying from those to whom you convey
+the Program, the only way you could satisfy both those terms and this
+License would be to refrain entirely from conveying the Program.
+
+  13. Use with the GNU Affero General Public License.
+
+  Notwithstanding any other provision of this License, you have
+permission to link or combine any covered work with a work licensed
+under version 3 of the GNU Affero General Public License into a single
+combined work, and to convey the resulting work.  The terms of this
+License will continue to apply to the part which is the covered work,
+but the special requirements of the GNU Affero General Public License,
+section 13, concerning interaction through a network will apply to the
+combination as such.
+
+  14. Revised Versions of this License.
+
+  The Free Software Foundation may publish revised and/or new versions of
+the GNU General Public License from time to time.  Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+  Each version is given a distinguishing version number.  If the
+Program specifies that a certain numbered version of the GNU General
+Public License "or any later version" applies to it, you have the
+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation.  If the Program does not specify a version number of the
+GNU General Public License, you may choose any version ever published
+by the Free Software Foundation.
+
+  If the Program specifies that a proxy can decide which future
+versions of the GNU General Public License can be used, that proxy's
+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+  Later license versions may give you additional or different
+permissions.  However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+  15. Disclaimer of Warranty.
+
+  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<https://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<https://www.gnu.org/licenses/why-not-lgpl.html>.

README.md

@@ -1,4 +1,5 @@
 # LEDMatrix
+[![Codacy Badge](https://app.codacy.com/project/badge/Grade/77fc9b446a5948e5b0aed7a7aaeb1bab)](https://app.codacy.com/gh/ChuckBuilds/LEDMatrix/dashboard?utm_source=gh&utm_medium=referral&utm_content=&utm_campaign=Badge_grade)
 ## Welcome to LEDMatrix! 
 Welcome to the LEDMatrix Project! This open-source project enables you to run an information-rich display on a Raspberry Pi connected to an LED RGB Matrix panel. Whether you want to see your calendar, weather forecasts, sports scores, stock prices, or any other information at a glance, LEDMatrix brings it all together.
 
@@ -782,14 +783,18 @@ The LEDMatrix system includes Web Interface that runs on port 5000 and provides
 
 ### Installing the Web Interface Service
 
+> The first-time installer (`first_time_install.sh`) already installs the
+> web service. The steps below only apply if you need to (re)install it
+> manually.
+
 1. Make the install script executable:
 ```bash
-chmod +x install_web_service.sh
+chmod +x scripts/install/install_web_service.sh
 ```
 
 2. Run the install script with sudo:
 ```bash
-sudo ./install_web_service.sh
+sudo ./scripts/install/install_web_service.sh
 ```
 
 The script will:
@@ -874,3 +879,27 @@ sudo systemctl enable ledmatrix-web.service
 
 
 ### If you've read this far — thanks!  
+
+-----------------------------------------------------------------------------------
+
+## License
+
+LEDMatrix is licensed under the
+[GNU General Public License v3.0 or later](LICENSE).
+
+LEDMatrix builds on
+[`rpi-rgb-led-matrix`](https://github.com/hzeller/rpi-rgb-led-matrix),
+which is GPL-2.0-or-later. The "or later" clause makes it compatible
+with GPL-3.0 distribution.
+
+Plugin contributions in
+[`ledmatrix-plugins`](https://github.com/ChuckBuilds/ledmatrix-plugins)
+are also GPL-3.0-or-later unless individual plugins specify otherwise.
+
+## Contributing
+
+See [CONTRIBUTING.md](CONTRIBUTING.md) for development setup, the PR
+flow, and how to add a plugin. Bug reports and feature requests go in
+the [issue tracker](https://github.com/ChuckBuilds/LEDMatrix/issues).
+Security issues should be reported privately per
+[SECURITY.md](SECURITY.md).

SECURITY.md

@@ -0,0 +1,86 @@
+# Security Policy
+
+## Reporting a vulnerability
+
+If you've found a security issue in LEDMatrix, **please don't open a
+public GitHub issue**. Disclose it privately so we can fix it before it's
+exploited.
+
+### How to report
+
+Use one of these channels, in order of preference:
+
+1. **GitHub Security Advisories** (preferred). On the LEDMatrix repo,
+   go to **Security → Advisories → Report a vulnerability**. This
+   creates a private discussion thread visible only to you and the
+   maintainer.
+   - Direct link: <https://github.com/ChuckBuilds/LEDMatrix/security/advisories/new>
+2. **Discord DM**. Send a direct message to a moderator on the
+   [LEDMatrix Discord](https://discord.gg/uW36dVAtcT). Don't post in
+   public channels.
+
+Please include:
+
+- A description of the issue
+- The version / commit hash you're testing against
+- Steps to reproduce, ideally a minimal proof of concept
+- The impact you can demonstrate
+- Any suggested mitigation
+
+### What to expect
+
+- An acknowledgement within a few days (this is a hobby project, not
+  a 24/7 ops team).
+- A discussion of the issue's severity and a plan for the fix.
+- Credit in the release notes when the fix ships, unless you'd
+  prefer to remain anonymous.
+- For high-severity issues affecting active deployments, we'll
+  coordinate disclosure timing with you.
+
+## Scope
+
+In scope for this policy:
+
+- The LEDMatrix display controller, web interface, and plugin loader
+  in this repository
+- The official plugins in
+  [`ledmatrix-plugins`](https://github.com/ChuckBuilds/ledmatrix-plugins)
+- Installation scripts and systemd unit files
+
+Out of scope (please report upstream):
+
+- Vulnerabilities in `rpi-rgb-led-matrix` itself —
+  report to <https://github.com/hzeller/rpi-rgb-led-matrix>
+- Vulnerabilities in Python packages we depend on — report to the
+  upstream package maintainer
+- Issues in third-party plugins not in `ledmatrix-plugins` — report
+  to that plugin's repository
+
+## Known security model
+
+LEDMatrix is designed for trusted local networks. Several limitations
+are intentional rather than vulnerabilities:
+
+- **No web UI authentication.** The web interface assumes the network
+  it's running on is trusted. Don't expose port 5000 to the internet.
+- **Plugins run unsandboxed.** Installed plugins execute in the same
+  Python process as the display loop with full file-system and
+  network access. Review plugin code (especially third-party plugins
+  from arbitrary GitHub URLs) before installing. The Plugin Store
+  marks community plugins as **Custom** to highlight this.
+- **The display service runs as root** for hardware GPIO access. This
+  is required by `rpi-rgb-led-matrix`.
+- **`config_secrets.json` is plaintext.** API keys and tokens are
+  stored unencrypted on the Pi. Lock down filesystem permissions on
+  the config directory if this matters for your deployment.
+
+These are documented as known limitations rather than bugs. If you
+have ideas for improving them while keeping the project usable on a
+Pi, open a discussion — we're interested.
+
+## Supported versions
+
+LEDMatrix is rolling-release on `main`. Security fixes land on `main`
+and become available the next time users run **Update Code** from the
+web UI's Overview tab (which does a `git pull`). There are no LTS
+branches.

config/config.template.json

@@ -112,7 +112,8 @@
             "limit_refresh_rate_hz": 100
         },
         "runtime": {
-            "gpio_slowdown": 3
+            "gpio_slowdown": 3,
+            "rp1_rio": 0
         },
         "display_durations": {},
         "use_short_date_format": true,
@@ -126,6 +127,11 @@
             "buffer_ahead": 2
         }
     },
+    "sync": {
+        "role": "standalone",
+        "port": 5765,
+        "follower_position": "left"
+    },
     "plugin_system": {
         "plugins_directory": "plugin-repos",
         "auto_discover": true,

config/config_secrets.template.json

@@ -1,16 +1,8 @@
 {
-    "ledmatrix-weather": {
-        "api_key": "YOUR_OPENWEATHERMAP_API_KEY"
-    },
     "youtube": {
         "api_key": "YOUR_YOUTUBE_API_KEY",
         "channel_id": "YOUR_YOUTUBE_CHANNEL_ID"
     },
-    "music": {
-        "SPOTIFY_CLIENT_ID": "YOUR_SPOTIFY_CLIENT_ID_HERE",
-        "SPOTIFY_CLIENT_SECRET": "YOUR_SPOTIFY_CLIENT_SECRET_HERE",
-        "SPOTIFY_REDIRECT_URI": "http://127.0.0.1:8888/callback"
-    },
     "github": {
         "api_token": "YOUR_GITHUB_PERSONAL_ACCESS_TOKEN"
     }

docs/ADVANCED_FEATURES.md

@@ -437,26 +437,26 @@ When on-demand expires or is cleared, the display returns to the next highest pr
 
 ### Web Interface Controls
 
-**Access:** Navigate to Settings → Plugin Management
+Each installed plugin has its own tab in the second nav row of the web
+UI. Inside the plugin's tab, scroll to **On-Demand Controls**:
 
-**Controls:**
+- **Run On-Demand** — triggers the plugin immediately, even if it's
-- **Show Now Button** - Triggers plugin immediately
+  disabled in the rotation
-- **Duration Slider** - Set display time (0 = indefinite)
+- **Stop On-Demand** — clears on-demand and returns to the normal
-- **Pin Checkbox** - Keep showing until manually cleared
+  rotation
-- **Stop Button** - Clear on-demand and return to rotation
-- **Shift+Click Stop** - Stop the entire display service
 
-**Status Card:**
+The display service must be running. The status banner at the top of
-- Real-time status updates
+the plugin tab shows the active on-demand plugin, mode, and remaining
-- Shows active plugin and remaining time
+time when something is active.
-- Pin status indicator
 
 ### REST API Reference
 
+The API is mounted at `/api/v3` (`web_interface/app.py:144`).
+
 #### Start On-Demand Display
 
 ```bash
-POST /api/display/on-demand/start
+POST /api/v3/display/on-demand/start
 
 # Body:
 {
@@ -467,20 +467,20 @@ POST /api/display/on-demand/start
 
 # Examples:
 # 30-second preview
-curl -X POST http://localhost:5050/api/display/on-demand/start \
+curl -X POST http://localhost:5000/api/v3/display/on-demand/start \
   -H "Content-Type: application/json" \
   -d '{"plugin_id": "weather", "duration": 30}'
 
 # Pin indefinitely
-curl -X POST http://localhost:5050/api/display/on-demand/start \
+curl -X POST http://localhost:5000/api/v3/display/on-demand/start \
   -H "Content-Type: application/json" \
-  -d '{"plugin_id": "hockey-scores", "pinned": true}'
+  -d '{"plugin_id": "hockey-scoreboard", "pinned": true}'
 ```
 
 #### Stop On-Demand Display
 
 ```bash
-POST /api/display/on-demand/stop
+POST /api/v3/display/on-demand/stop
 
 # Body:
 {
@@ -489,10 +489,10 @@ POST /api/display/on-demand/stop
 
 # Examples:
 # Clear on-demand
-curl -X POST http://localhost:5050/api/display/on-demand/stop
+curl -X POST http://localhost:5000/api/v3/display/on-demand/stop
 
 # Stop service too
-curl -X POST http://localhost:5050/api/display/on-demand/stop \
+curl -X POST http://localhost:5000/api/v3/display/on-demand/stop \
   -H "Content-Type: application/json" \
   -d '{"stop_service": true}'
 ```
@@ -500,10 +500,10 @@ curl -X POST http://localhost:5050/api/display/on-demand/stop \
 #### Get On-Demand Status
 
 ```bash
-GET /api/display/on-demand/status
+GET /api/v3/display/on-demand/status
 
 # Example:
-curl http://localhost:5050/api/display/on-demand/status
+curl http://localhost:5000/api/v3/display/on-demand/status
 
 # Response:
 {
@@ -516,35 +516,15 @@ curl http://localhost:5050/api/display/on-demand/status
 }
 ```
 
-### Python API Methods
+> There is no public Python on-demand API. The display controller's
-
+> on-demand machinery is internal — drive it through the REST endpoints
-```python
+> above (or the web UI buttons), which write a request into the cache
-from src.display_controller import DisplayController
+> manager under the `display_on_demand_request` key
-
+> (`web_interface/blueprints/api_v3.py:1622,1687`) that the controller
-controller = DisplayController()
+> polls at `src/display_controller.py:921`. A separate
-
+> `display_on_demand_config` key is used by the controller itself
-# Show plugin for 30 seconds
+> during activation to track what's currently running (written at
-controller.show_on_demand('weather', duration=30)
+> `display_controller.py:1195`, cleared at `:1221`).
-
-# Pin plugin until manually cleared
-controller.show_on_demand('hockey-scores', pinned=True)
-
-# Show indefinitely (not pinned, clears on expiry if duration set later)
-controller.show_on_demand('weather', duration=0)
-
-# Use plugin's default duration
-controller.show_on_demand('weather')
-
-# Clear on-demand
-controller.clear_on_demand()
-
-# Check status
-is_active = controller.is_on_demand_active()
-
-# Get detailed info
-info = controller.get_on_demand_info()
-# Returns: {'active': bool, 'mode': str, 'duration': float, 'remaining': float, 'pinned': bool}
-```
 
 ### Duration Modes
 
@@ -557,27 +537,31 @@ info = controller.get_on_demand_info()
 
 ### Use Case Examples
 
-**Quick Check (30-second preview):**
+**Quick check (30-second preview):**
-```python
+```bash
-controller.show_on_demand('weather', duration=30)
+curl -X POST http://localhost:5000/api/v3/display/on-demand/start \
+  -H "Content-Type: application/json" \
+  -d '{"plugin_id": "ledmatrix-weather", "duration": 30}'
 ```
 
-**Pin Important Information:**
+**Pin important information:**
-```python
+```bash
-controller.show_on_demand('game-score', pinned=True)
+curl -X POST http://localhost:5000/api/v3/display/on-demand/start \
+  -H "Content-Type: application/json" \
+  -d '{"plugin_id": "hockey-scoreboard", "pinned": true}'
 # ... later ...
-controller.clear_on_demand()
+curl -X POST http://localhost:5000/api/v3/display/on-demand/stop
 ```
 
-**Indefinite Display:**
+**Indefinite display:**
-```python
+```bash
-controller.show_on_demand('welcome-message', duration=0)
+curl -X POST http://localhost:5000/api/v3/display/on-demand/start \
+  -H "Content-Type: application/json" \
+  -d '{"plugin_id": "text-display", "duration": 0}'
 ```
 
-**Testing Plugin:**
+**Testing a plugin during development:** the same call works, or just
-```python
+click **Run On-Demand** in the plugin's tab.
-controller.show_on_demand('my-new-plugin', duration=60)
-```
 
 ### Best Practices
 
@@ -613,7 +597,10 @@ controller.show_on_demand('my-new-plugin', duration=60)
 
 ### Overview
 
-On-demand display uses Redis cache keys to manage state across service restarts and coordinate between web interface and display controller. Understanding these keys helps troubleshoot stuck states.
+On-demand display uses cache keys (managed by `src/cache_manager.py` —
+file-based, not Redis) to coordinate state between the web interface
+and the display controller across service restarts. Understanding these
+keys helps troubleshoot stuck states.
 
 ### Cache Keys
 
@@ -688,19 +675,26 @@ On-demand display uses Redis cache keys to manage state across service restarts
 ### Manual Recovery Procedures
 
 **Via Web Interface (Recommended):**
-1. Navigate to Settings → Cache Management
+1. Open the **Cache** tab in the web UI
-2. Search for "on_demand" keys
+2. Find the `display_on_demand_*` entries
-3. Select keys to delete
+3. Delete them
-4. Click "Delete Selected"
+4. Restart display: `sudo systemctl restart ledmatrix`
-5. Restart display: `sudo systemctl restart ledmatrix`
 
 **Via Command Line:**
-```bash
-# Clear specific key
-redis-cli DEL display_on_demand_config
 
-# Clear all on-demand keys
+The cache is stored as JSON files under one of:
-redis-cli KEYS "display_on_demand_*" | xargs redis-cli DEL
+
+- `/var/cache/ledmatrix/` (preferred when the service has permission)
+- `~/.cache/ledmatrix/`
+- `/opt/ledmatrix/cache/`
+- `/tmp/ledmatrix-cache/` (fallback)
+
+```bash
+# Find the cache dir actually in use
+journalctl -u ledmatrix | grep -i "cache directory" | tail -1
+
+# Clear all on-demand keys (replace path with the one above)
+rm /var/cache/ledmatrix/display_on_demand_*
 
 # Restart service
 sudo systemctl restart ledmatrix
@@ -711,19 +705,22 @@ sudo systemctl restart ledmatrix
 from src.cache_manager import CacheManager
 
 cache = CacheManager()
-cache.delete('display_on_demand_config')
+cache.clear_cache('display_on_demand_config')
-cache.delete('display_on_demand_state')
+cache.clear_cache('display_on_demand_state')
-cache.delete('display_on_demand_request')
+cache.clear_cache('display_on_demand_request')
-cache.delete('display_on_demand_processed_id')
+cache.clear_cache('display_on_demand_processed_id')
 ```
 
+> The actual public method is `clear_cache(key=None)` — there is no
+> `delete()` method on `CacheManager`.
+
 ### Cache Impact on Running Service
 
 **IMPORTANT:** Clearing cache keys does NOT immediately affect the running controller in memory.
 
 **To fully reset:**
 1. Stop the service: `sudo systemctl stop ledmatrix`
-2. Clear cache keys (web UI or redis-cli)
+2. Clear cache keys (web UI Cache tab or `rm` from the cache directory)
 3. Clear systemd environment: `sudo systemctl daemon-reload`
 4. Start the service: `sudo systemctl start ledmatrix`
 
@@ -767,7 +764,7 @@ Enable background service per plugin in `config/config.json`:
 
 ```json
 {
-  "nfl_scoreboard": {
+  "football-scoreboard": {
     "enabled": true,
     "background_service": {
       "enabled": true,
@@ -801,19 +798,13 @@ Enable background service per plugin in `config/config.json`:
 - Returns immediately: < 0.1 seconds
 - Background refresh (if stale): async, no blocking
 
-### Implementation Status
+### Plugins using the background service
 
-**Phase 1 (Complete):**
+The background data service is used by all of the sports scoreboard
-- ✅ NFL scoreboard implemented
+plugins (football, hockey, baseball/MLB, basketball, soccer, lacrosse,
-- ✅ Background threading architecture
+F1, UFC), the odds ticker, and the leaderboard plugin. Each plugin's
-- ✅ Cache integration
+`background_service` block (under its own config namespace) follows the
-- ✅ Error handling and retry logic
+same shape as the example above.
-
-**Phase 2 (Planned):**
-- ⏳ NCAAFB (college football)
-- ⏳ NBA (basketball)
-- ⏳ NHL (hockey)
-- ⏳ MLB (baseball)
 
 ### Error Handling & Fallback
 

docs/CONFIG_DEBUGGING.md

@@ -250,19 +250,29 @@ WARNING - Plugin ID 'Football-Scoreboard' may conflict with 'football-scoreboard
 
 ## Checking Configuration via API
 
+The API blueprint mounts at `/api/v3` (`web_interface/app.py:144`).
+
 ```bash
-# Get current config
+# Get full main config (includes all plugin sections)
-curl http://localhost:5000/api/v3/config
+curl http://localhost:5000/api/v3/config/main
 
-# Get specific plugin config
+# Save updated main config
-curl http://localhost:5000/api/v3/config/plugin/football-scoreboard
+curl -X POST http://localhost:5000/api/v3/config/main \
-
-# Validate config without saving
-curl -X POST http://localhost:5000/api/v3/config/validate \
   -H "Content-Type: application/json" \
-  -d '{"football-scoreboard": {"enabled": true}}'
+  -d @new-config.json
+
+# Get config schema for a specific plugin
+curl "http://localhost:5000/api/v3/plugins/schema?plugin_id=football-scoreboard"
+
+# Get a single plugin's current config
+curl "http://localhost:5000/api/v3/plugins/config?plugin_id=football-scoreboard"
 ```
 
+> There is no dedicated `/config/plugin/<id>` or `/config/validate`
+> endpoint — config validation runs server-side automatically when you
+> POST to `/config/main` or `/plugins/config`. See
+> [REST_API_REFERENCE.md](REST_API_REFERENCE.md) for the full list.
+
 ## Backup and Recovery
 
 ### Manual Backup

docs/DEVELOPER_QUICK_REFERENCE.md

@@ -62,7 +62,7 @@ display_manager.defer_update(lambda: self.update_cache(), priority=0)
 # Basic caching
 cached = cache_manager.get("key", max_age=3600)
 cache_manager.set("key", data)
-cache_manager.delete("key")
+cache_manager.delete("key")       # alias for clear_cache(key)
 
 # Advanced caching
 data = cache_manager.get_cached_data_with_strategy("key", data_type="weather")

docs/DEVELOPMENT.md

@@ -141,19 +141,27 @@ stage('Checkout') {
 
 ---
 
-## Plugin Submodules
+## Plugins
 
-Plugin submodules are located in the `plugins/` directory and are managed similarly:
+Plugins are **not** git submodules of this repository. The plugins
+directory (configured by `plugin_system.plugins_directory` in
+`config/config.json`, default `plugin-repos/`) is populated at install
+time by the plugin loader as users install plugins from the Plugin Store
+or from a GitHub URL via the web interface. Plugin source lives in a
+separate repository:
+[ChuckBuilds/ledmatrix-plugins](https://github.com/ChuckBuilds/ledmatrix-plugins).
 
-**Initialize all plugin submodules:**
+To work on a plugin locally without going through the Plugin Store, clone
-```bash
+that repo and symlink (or copy) the plugin directory into your configured
-git submodule update --init --recursive plugins/
+plugins directory — by default `plugin-repos/<plugin-id>/`. The plugin
-```
+loader will pick it up on the next display restart. The directory name
+must match the plugin's `id` in `manifest.json`.
 
-**Initialize a specific plugin:**
+For more information, see:
-```bash
-git submodule update --init --recursive plugins/hockey-scoreboard
-```
-
-For more information about plugins, see the [Plugin Development Guide](.cursor/plugins_guide.md) and [Plugin Architecture Specification](docs/PLUGIN_ARCHITECTURE_SPEC.md).
 
+- [PLUGIN_DEVELOPMENT_GUIDE.md](PLUGIN_DEVELOPMENT_GUIDE.md) — end-to-end
+  plugin development workflow
+- [PLUGIN_ARCHITECTURE_SPEC.md](PLUGIN_ARCHITECTURE_SPEC.md) — plugin system
+  specification
+- [DEV_PREVIEW.md](DEV_PREVIEW.md) — preview plugins on a desktop without a
+  Pi

docs/EMULATOR_SETUP_GUIDE.md

@@ -32,10 +32,15 @@ The LEDMatrix emulator allows you to run and test LEDMatrix displays on your com
 ### 1. Clone the Repository
 
 ```bash
-git clone https://github.com/your-username/LEDMatrix.git
+git clone --recurse-submodules https://github.com/ChuckBuilds/LEDMatrix.git
 cd LEDMatrix
 ```
 
+> The emulator does **not** require building the
+> `rpi-rgb-led-matrix-master` submodule (it uses `RGBMatrixEmulator`
+> instead), so `--recurse-submodules` is optional here. Run it anyway if
+> you also want to test the real-hardware code path.
+
 ### 2. Install Emulator Dependencies
 
 Install the emulator-specific requirements:
@@ -58,12 +63,13 @@ pip install -r requirements.txt
 
 ### 1. Emulator Configuration File
 
-The emulator uses `emulator_config.json` for configuration. Here's the default configuration:
+The emulator uses `emulator_config.json` for configuration. Here's the
+default configuration as it ships in the repo:
 
 ```json
 {
     "pixel_outline": 0,
-    "pixel_size": 16,
+    "pixel_size": 5,
     "pixel_style": "square",
     "pixel_glow": 6,
     "display_adapter": "pygame",
@@ -90,7 +96,7 @@ The emulator uses `emulator_config.json` for configuration. Here's the default c
 | Option | Description | Default | Values |
 |--------|-------------|---------|--------|
 | `pixel_outline` | Pixel border thickness | 0 | 0-5 |
-| `pixel_size` | Size of each pixel | 16 | 8-64 |
+| `pixel_size` | Size of each pixel | 5 | 1-64 (8–16 is typical for testing) |
 | `pixel_style` | Pixel shape | "square" | "square", "circle" |
 | `pixel_glow` | Glow effect intensity | 6 | 0-20 |
 | `display_adapter` | Display backend | "pygame" | "pygame", "browser" |

docs/FONT_MANAGER.md

@@ -138,6 +138,27 @@ font = self.font_manager.resolve_font(
 
 ## For Plugin Developers
 
+> **Note**: plugins that ship their own fonts via a `"fonts"` block
+> in `manifest.json` are registered automatically during plugin load
+> (`src/plugin_system/plugin_manager.py` calls
+> `FontManager.register_plugin_fonts()`). The `plugin://…` source
+> URIs documented below are resolved relative to the plugin's
+> install directory.
+>
+> The **Fonts** tab in the web UI that lists detected
+> manager-registered fonts is still a **placeholder
+> implementation** — fonts that managers register through
+> `register_manager_font()` do not yet appear there. The
+> programmatic per-element override workflow described in
+> [Manual Font Overrides](#manual-font-overrides) below
+> (`set_override()` / `remove_override()` / the
+> `config/font_overrides.json` store) **does** work today and is
+> the supported way to override a font for an element until the
+> Fonts tab is wired up. If you can't wait and need a workaround
+> right now, you can also just load the font directly with PIL
+> (or `freetype-py` for BDF) inside your plugin's `manager.py`
+> and skip the override system entirely.
+
 ### Plugin Font Registration
 
 In your plugin's `manifest.json`:
@@ -359,5 +380,8 @@ self.font = self.font_manager.resolve_font(
 
 ## Example: Complete Manager Implementation
 
-See `test/font_manager_example.py` for a complete working example.
+For a working example of the font manager API in use, see
+`src/font_manager.py` itself and the bundled scoreboard base classes
+in `src/base_classes/` (e.g., `hockey.py`, `football.py`) which
+register and resolve fonts via the patterns documented above.
 

docs/GETTING_STARTED.md

@@ -39,7 +39,7 @@ This guide will help you set up your LEDMatrix display for the first time and ge
 
 **If you see "LEDMatrix-Setup" WiFi network:**
 1. Connect your device to "LEDMatrix-Setup" (open network, no password)
-2. Open browser to: `http://192.168.4.1:5050`
+2. Open browser to: `http://192.168.4.1:5000`
 3. Navigate to the WiFi tab
 4. Click "Scan" to find your WiFi network
 5. Select your network, enter password
@@ -48,14 +48,14 @@ This guide will help you set up your LEDMatrix display for the first time and ge
 
 **If already connected to WiFi:**
 1. Find your Pi's IP address (check your router, or run `hostname -I` on the Pi)
-2. Open browser to: `http://your-pi-ip:5050`
+2. Open browser to: `http://your-pi-ip:5000`
 
 ### 3. Access the Web Interface
 
 Once connected, access the web interface:
 
 ```
-http://your-pi-ip:5050
+http://your-pi-ip:5000
 ```
 
 You should see:
@@ -69,84 +69,84 @@ You should see:
 
 ### Step 1: Configure Display Hardware
 
-1. Navigate to Settings → **Display Settings**
+1. Open the **Display** tab
 2. Set your matrix configuration:
    - **Rows**: 32 or 64 (match your hardware)
-   - **Columns**: 64, 128, or 256 (match your hardware)
+   - **Columns**: commonly 64 or 96; the web UI accepts any integer
-   - **Chain Length**: Number of panels chained together
+     in the 16–128 range, but 64 and 96 are the values the bundled
-   - **Brightness**: 50-75% recommended for indoor use
+     panel hardware ships with
-3. Click **Save Configuration**
+   - **Chain Length**: Number of panels chained horizontally
-4. Click **Restart Display** to apply changes
+   - **Hardware Mapping**: usually `adafruit-hat-pwm` (with the PWM jumper
+     mod) or `adafruit-hat` (without). See the root README for the full list.
+   - **Brightness**: 70–90 is fine for indoor use
+3. Click **Save**
+4. From the **Overview** tab, click **Restart Display Service** to apply
 
-**Tip:** If the display doesn't look right, try different hardware mapping options.
+**Tip:** if the display shows garbage or nothing, the most common culprits
+are an incorrect `hardware_mapping`, a `gpio_slowdown` value that doesn't
+match your Pi model, or panels needing the E-line mod. See
+[TROUBLESHOOTING.md](TROUBLESHOOTING.md).
 
 ### Step 2: Set Timezone and Location
 
-1. Navigate to Settings → **General Settings**
+1. Open the **General** tab
-2. Set your timezone (e.g., "America/New_York")
+2. Set your timezone (e.g., `America/New_York`) and location
-3. Set your location (city, state, country)
+3. Click **Save**
-4. Click **Save Configuration**
 
-**Why it matters:** Correct timezone ensures accurate time display. Location enables weather and location-based features.
+Correct timezone ensures accurate time display, and location is used by
+weather and other location-aware plugins.
 
 ### Step 3: Install Plugins
 
-1. Navigate to **Plugin Store** tab
+1. Open the **Plugin Manager** tab
-2. Browse available plugins:
+2. Scroll to the **Plugin Store** section to browse available plugins
-   - **Time & Date**: Clock, calendar
+3. Click **Install** on the plugins you want
-   - **Weather**: Weather forecasts
+4. Wait for installation to finish — installed plugins appear in the
-   - **Sports**: NHL, NBA, NFL, MLB scores
+   **Installed Plugins** section above and get their own tab in the second
-   - **Finance**: Stocks, crypto
+   nav row
-   - **Custom**: Community plugins
+5. Toggle the plugin to enabled
-3. Click **Install** on desired plugins
+6. From **Overview**, click **Restart Display Service**
-4. Wait for installation to complete
-5. Navigate to **Plugin Management** tab
-6. Enable installed plugins (toggle switch)
-7. Click **Restart Display**
 
-**Popular First Plugins:**
+You can also install community plugins straight from a GitHub URL using the
-- `clock-simple` - Simple digital clock
+**Install from GitHub** section further down the same tab — see
-- `weather` - Weather forecast
+[PLUGIN_STORE_GUIDE.md](PLUGIN_STORE_GUIDE.md) for details.
-- `nhl-scores` - NHL scores (if you're a hockey fan)
 
 ### Step 4: Configure Plugins
 
-1. Navigate to **Plugin Management** tab
+1. Each installed plugin gets its own tab in the second navigation row
-2. Find a plugin you installed
+2. Open that plugin's tab to edit its settings (favorite teams, API keys,
-3. Click the ⚙️ **Configure** button
+   update intervals, display duration, etc.)
-4. Edit settings (e.g., favorite teams, update intervals)
+3. Click **Save**
-5. Click **Save**
+4. Restart the display service from **Overview** so the new settings take
-6. Click **Restart Display**
+   effect
 
 **Example: Weather Plugin**
 - Set your location (city, state, country)
-- Add API key from OpenWeatherMap (free signup)
+- Add an API key from OpenWeatherMap (free signup) to
-- Set update interval (300 seconds recommended)
+  `config/config_secrets.json` or directly in the plugin's config screen
+- Set the update interval (300 seconds is reasonable)
 
 ---
 
 ## Testing Your Display
 
-### Quick Test
+### Run a single plugin on demand
 
-1. Navigate to **Overview** tab
+The fastest way to verify a plugin works without waiting for the rotation:
-2. Click **Test Display** button
-3. You should see a test pattern on your LED matrix
 
-### Manual Plugin Trigger
+1. Open the plugin's tab (second nav row)
+2. Scroll to **On-Demand Controls**
+3. Click **Run On-Demand** — the plugin runs immediately even if disabled
+4. Click **Stop On-Demand** to return to the normal rotation
 
-1. Navigate to **Plugin Management** tab
+### Check the live preview and logs
-2. Find a plugin
-3. Click **Show Now** button
-4. The plugin should display immediately
-5. Click **Stop** to return to rotation
 
-### Check Logs
+- The **Overview** tab shows a **Live Display Preview** that mirrors what's
-
+  on the matrix in real time — handy for debugging without looking at the
-1. Navigate to **Logs** tab
+  panel.
-2. Watch real-time logs
+- The **Logs** tab streams the display and web service logs. Look for
-3. Look for any ERROR messages
+  `ERROR` lines if something isn't working; normal operation just shows
-4. Normal operation shows INFO messages about plugin rotation
+  `INFO` messages about plugin rotation.
 
 ---
 
@@ -156,12 +156,12 @@ You should see:
 
 **Check:**
 1. Power supply connected and adequate (5V, 4A minimum)
-2. LED matrix connected to GPIO pins correctly
+2. LED matrix connected to the bonnet/HAT correctly
 3. Display service running: `sudo systemctl status ledmatrix`
-4. Hardware configuration matches your matrix (rows/columns)
+4. Hardware configuration matches your matrix (rows/cols/chain length)
 
 **Fix:**
-1. Restart display: Settings → Overview → Restart Display
+1. Restart from the **Overview** tab → **Restart Display Service**
 2. Or via SSH: `sudo systemctl restart ledmatrix`
 
 ### Web Interface Won't Load
@@ -169,8 +169,8 @@ You should see:
 **Check:**
 1. Pi is connected to network: `ping your-pi-ip`
 2. Web service running: `sudo systemctl status ledmatrix-web`
-3. Correct port: Use `:5050` not `:5000`
+3. Correct port: the web UI listens on `:5000`
-4. Firewall not blocking port 5050
+4. Firewall not blocking port 5000
 
 **Fix:**
 1. Restart web service: `sudo systemctl restart ledmatrix-web`
@@ -179,15 +179,15 @@ You should see:
 ### Plugins Not Showing
 
 **Check:**
-1. Plugins are enabled (toggle switch in Plugin Management)
+1. Plugin is enabled (toggle on the **Plugin Manager** tab)
-2. Display has been restarted after enabling
+2. Display service was restarted after enabling
-3. Plugin duration is reasonable (not too short)
+3. Plugin's display duration is non-zero
-4. No errors in logs for the plugin
+4. No errors in the **Logs** tab for that plugin
 
 **Fix:**
-1. Enable plugin in Plugin Management
+1. Enable the plugin from **Plugin Manager**
-2. Restart display
+2. Click **Restart Display Service** on **Overview**
-3. Check logs for plugin-specific errors
+3. Check the **Logs** tab for plugin-specific errors
 
 ### Weather Plugin Shows "No Data"
 
@@ -207,18 +207,18 @@ You should see:
 
 ### Customize Your Display
 
-**Adjust Display Durations:**
+**Adjust display durations:**
-- Navigate to Settings → Durations
+- Each plugin's tab has a **Display Duration (seconds)** field — set how
-- Set how long each plugin displays
+  long that plugin stays on screen each rotation.
-- Save and restart
 
-**Organize Plugin Order:**
+**Organize plugin order:**
-- Use Plugin Management to enable/disable plugins
+- Use the **Plugin Manager** tab to enable/disable plugins. The display
-- Display cycles through enabled plugins in order
+  cycles through enabled plugins in the order they appear.
 
-**Add More Plugins:**
+**Add more plugins:**
-- Check Plugin Store regularly for new plugins
+- Check the **Plugin Store** section of **Plugin Manager** for new plugins.
-- Install from GitHub URLs for custom/community plugins
+- Install community plugins straight from a GitHub URL via
+  **Install from GitHub** on the same tab.
 
 ### Enable Advanced Features
 
@@ -279,26 +279,39 @@ sudo journalctl -u ledmatrix-web -f
 │   ├── config.json           # Main configuration
 │   ├── config_secrets.json   # API keys and secrets
 │   └── wifi_config.json      # WiFi settings
-├── plugins/                  # Installed plugins
+├── plugin-repos/             # Installed plugins (default location)
 ├── cache/                    # Cached data
 └── web_interface/            # Web interface files
 ```
 
+> The plugin install location is configurable via
+> `plugin_system.plugins_directory` in `config.json`. The default is
+> `plugin-repos/`. Plugin discovery (`PluginManager.discover_plugins()`)
+> only scans the configured directory — it does not fall back to
+> `plugins/`. However, the Plugin Store install/update path and the
+> web UI's schema loader do also probe `plugins/` so the dev symlinks
+> created by `scripts/dev/dev_plugin_setup.sh` keep working.
+
 ### Web Interface
 
 ```
-Main Interface: http://your-pi-ip:5050
+Main Interface: http://your-pi-ip:5000
 
-Tabs:
+System tabs:
-- Overview: System stats and quick actions
+- Overview          System stats, live preview, quick actions
-- General Settings: Timezone, location, autostart
+- General           Timezone, location, plugin-system settings
-- Display Settings: Hardware configuration
+- WiFi              Network selection and AP-mode setup
-- Durations: Plugin display times
+- Schedule          Power and dim schedules
-- Sports Configuration: Per-league settings
+- Display           Matrix hardware configuration
-- Plugin Management: Enable/disable, configure
+- Config Editor     Raw config.json editor
-- Plugin Store: Install new plugins
+- Fonts             Upload and manage fonts
-- Font Management: Upload and manage fonts
+- Logs              Real-time log viewing
-- Logs: Real-time log viewing
+- Cache             Cached data inspection and cleanup
+- Operation History Recent service operations
+
+Plugin tabs (second row):
+- Plugin Manager    Browse the Plugin Store, install/enable plugins
+- <plugin-id>       One tab per installed plugin for its config
 ```
 
 ### WiFi Access Point
@@ -306,7 +319,7 @@ Tabs:
 ```
 Network Name: LEDMatrix-Setup
 Password: (none - open network)
-URL when connected: http://192.168.4.1:5050
+URL when connected: http://192.168.4.1:5000
 ```
 
 ---

docs/HOW_TO_RUN_TESTS.md

@@ -13,7 +13,7 @@ Make sure you have the testing packages installed:
 pip install -r requirements.txt
 
 # Or install just the test dependencies
-pip install pytest pytest-cov pytest-mock pytest-timeout
+pip install pytest pytest-cov pytest-mock
 ```
 
 ### 2. Set Environment Variables
@@ -85,8 +85,14 @@ pytest -m slow
 # Run all tests in the test directory
 pytest test/
 
-# Run all integration tests
+# Run plugin tests only
-pytest test/integration/
+pytest test/plugins/
+
+# Run web interface tests only
+pytest test/web_interface/
+
+# Run web interface integration tests
+pytest test/web_interface/integration/
 ```
 
 ## Understanding Test Output
@@ -233,18 +239,39 @@ pytest --maxfail=3
 test/
 ├── conftest.py                          # Shared fixtures and configuration
 ├── test_display_controller.py           # Display controller tests
-├── test_plugin_system.py          # Plugin system tests
 ├── test_display_manager.py              # Display manager tests
-├── test_config_service.py         # Config service tests
+├── test_plugin_system.py                # Plugin system tests
+├── test_plugin_loader.py                # Plugin discovery/loading tests
+├── test_plugin_loading_failures.py      # Plugin failure-mode tests
 ├── test_cache_manager.py                # Cache manager tests
-├── test_font_manager.py           # Font manager tests
-├── test_error_handling.py         # Error handling tests
 ├── test_config_manager.py               # Config manager tests
-├── integration/                   # Integration tests
+├── test_config_service.py               # Config service tests
-│   ├── test_e2e.py               # End-to-end tests
+├── test_config_validation_edge_cases.py # Config edge cases
-│   └── test_plugin_integration.py # Plugin integration tests
+├── test_font_manager.py                 # Font manager tests
-├── test_error_scenarios.py        # Error scenario tests
+├── test_layout_manager.py               # Layout manager tests
-└── test_edge_cases.py             # Edge case tests
+├── test_text_helper.py                  # Text helper tests
+├── test_error_handling.py               # Error handling tests
+├── test_error_aggregator.py             # Error aggregation tests
+├── test_schema_manager.py               # Schema manager tests
+├── test_web_api.py                      # Web API tests
+├── test_nba_*.py                        # NBA-specific test suites
+├── plugins/                             # Per-plugin test suites
+│   ├── test_clock_simple.py
+│   ├── test_calendar.py
+│   ├── test_basketball_scoreboard.py
+│   ├── test_soccer_scoreboard.py
+│   ├── test_odds_ticker.py
+│   ├── test_text_display.py
+│   ├── test_visual_rendering.py
+│   └── test_plugin_base.py
+└── web_interface/
+    ├── test_config_manager_atomic.py
+    ├── test_state_reconciliation.py
+    ├── test_plugin_operation_queue.py
+    ├── test_dedup_unique_arrays.py
+    └── integration/                     # Web interface integration tests
+        ├── test_config_flows.py
+        └── test_plugin_operations.py
 ```
 
 ### Test Categories
@@ -309,11 +336,15 @@ pytest --cov=src --cov-report=html
 
 ## Continuous Integration
 
-Tests are configured to run automatically in CI/CD. The GitHub Actions workflow (`.github/workflows/tests.yml`) runs:
+The repo runs
-
+[`.github/workflows/security-audit.yml`](../.github/workflows/security-audit.yml)
-- All tests on multiple Python versions (3.10, 3.11, 3.12)
+(bandit + semgrep) on every push. A pytest CI workflow at
-- Coverage reporting
+`.github/workflows/tests.yml` is queued to land alongside this
-- Uploads coverage to Codecov (if configured)
+PR ([ChuckBuilds/LEDMatrix#307](https://github.com/ChuckBuilds/LEDMatrix/pull/307));
+the workflow file itself was held back from that PR because the
+push token lacked the GitHub `workflow` scope, so it needs to be
+committed separately by a maintainer. Once it's in, this section
+will be updated to describe what the job runs.
 
 ## Best Practices
 

docs/MIGRATION_GUIDE.md

@@ -88,8 +88,8 @@ If you encounter issues during migration:
 
 1. Check the [README.md](README.md) for current installation and usage instructions
 2. Review script README files:
-   - `scripts/install/README.md` - Installation scripts documentation
+   - [`scripts/install/README.md`](../scripts/install/README.md) - Installation scripts documentation
-   - `scripts/fix_perms/README.md` (if exists) - Permission scripts documentation
+   - [`scripts/fix_perms/README.md`](../scripts/fix_perms/README.md) - Permission scripts documentation
 3. Check system logs: `journalctl -u ledmatrix -f` or `journalctl -u ledmatrix-web -f`
 4. Review the troubleshooting section in the main README
 

docs/PLUGIN_API_REFERENCE.md

@@ -114,6 +114,95 @@ Get display duration for this plugin. Can be overridden for dynamic durations.
 
 Return plugin info for display in web UI. Override to provide additional state information.
 
+### Dynamic-duration hooks
+
+Plugins that render multi-step content (e.g. cycling through several games)
+can extend their display time until they've shown everything. To opt in,
+either set `dynamic_duration.enabled: true` in the plugin's config or
+override `supports_dynamic_duration()`.
+
+#### `supports_dynamic_duration() -> bool`
+
+Return `True` if this plugin should use dynamic durations. Default reads
+`config["dynamic_duration"]["enabled"]`.
+
+#### `get_dynamic_duration_cap() -> Optional[float]`
+
+Maximum number of seconds the controller will keep this plugin on screen
+in dynamic mode. Default reads
+`config["dynamic_duration"]["max_duration_seconds"]`.
+
+#### `is_cycle_complete() -> bool`
+
+Override this to return `True` only after the plugin has rendered all of
+its content for the current rotation. Default returns `True` immediately,
+which means a single `display()` call counts as a full cycle.
+
+#### `reset_cycle_state() -> None`
+
+Called by the controller before each new dynamic-duration session. Reset
+internal counters/iterators here.
+
+### Live priority hooks
+
+Live priority lets a plugin temporarily take over the rotation when it has
+urgent content (live games, breaking news). Enable by setting
+`live_priority: true` in the plugin's config and overriding
+`has_live_content()`.
+
+#### `has_live_priority() -> bool`
+
+Whether live priority is enabled in config (default reads
+`config["live_priority"]`).
+
+#### `has_live_content() -> bool`
+
+Override to return `True` when the plugin currently has urgent content.
+Default returns `False`.
+
+#### `get_live_modes() -> List[str]`
+
+List of display modes to show during a live takeover. Default returns the
+plugin's `display_modes` from its manifest.
+
+### Vegas scroll hooks
+
+Vegas mode shows multiple plugins as a single continuous scroll instead of
+rotating one at a time. Plugins control how their content appears via
+these hooks. See [ADVANCED_FEATURES.md](ADVANCED_FEATURES.md) for the user
+side of Vegas mode.
+
+#### `get_vegas_content() -> Optional[PIL.Image | List[PIL.Image] | None]`
+
+Return content to inject into the scroll. Multi-item plugins (sports,
+odds, news) should return a *list* of PIL Images so each item scrolls
+independently. Static plugins (clock, weather) can return a single image.
+Returning `None` falls back to capturing whatever `display()` produces.
+
+#### `get_vegas_content_type() -> str`
+
+`'multi'`, `'static'`, or `'none'`. Affects how Vegas mode treats the
+plugin. Default `'static'`.
+
+#### `get_vegas_display_mode() -> VegasDisplayMode`
+
+Returns one of `VegasDisplayMode.SCROLL`, `FIXED_SEGMENT`, or `STATIC`.
+Read from `config["vegas_mode"]` or override directly.
+
+#### `get_supported_vegas_modes() -> List[VegasDisplayMode]`
+
+The set of Vegas modes this plugin can render. Used by the UI to populate
+the mode selector for this plugin.
+
+#### `get_vegas_segment_width() -> Optional[int]`
+
+For `FIXED_SEGMENT` plugins, the width in pixels of the segment they
+occupy in the scroll. `None` lets the controller pick a default.
+
+> The full source for `BasePlugin` lives in
+> `src/plugin_system/base_plugin.py`. If a method here disagrees with the
+> source, the source wins — please open an issue or PR to fix the doc.
+
 ---
 
 ## Display Manager
@@ -228,23 +317,31 @@ date_str = self.display_manager.format_date_with_ordinal(datetime.now())
 
 ### Image Rendering
 
-#### `draw_image(image: PIL.Image, x: int, y: int) -> None`
+The display manager doesn't provide a dedicated `draw_image()` method.
+Instead, plugins paste directly onto the underlying PIL Image
+(`display_manager.image`), then call `update_display()` to push the buffer
+to the matrix.
 
-Draw a PIL Image object on the canvas.
-
-**Parameters**:
-- `image`: PIL Image object
-- `x` (int): X position (left edge)
-- `y` (int): Y position (top edge)
-
-**Example**:
 ```python
 from PIL import Image
-logo = Image.open("assets/logo.png")
+
-self.display_manager.draw_image(logo, x=10, y=10)
+logo = Image.open("assets/logo.png").convert("RGB")
+self.display_manager.image.paste(logo, (10, 10))
 self.display_manager.update_display()
 ```
 
+For transparency support, paste using a mask:
+
+```python
+icon = Image.open("assets/icon.png").convert("RGBA")
+self.display_manager.image.paste(icon, (5, 5), icon)
+self.display_manager.update_display()
+```
+
+This is the same pattern the bundled scoreboard base classes
+(`src/base_classes/baseball.py`, `basketball.py`, `football.py`,
+`hockey.py`) use, so it's the canonical way to render arbitrary images.
+
 ### Weather Icons
 
 #### `draw_weather_icon(condition: str, x: int, y: int, size: int = 16) -> None`
@@ -440,12 +537,23 @@ self.cache_manager.set("weather_data", {
 })
 ```
 
-#### `delete(key: str) -> None`
+#### `clear_cache(key: Optional[str] = None) -> None`
 
-Remove a specific cache entry.
+Remove a specific cache entry, or all cache entries when called without
+arguments.
 
 **Parameters**:
-- `key` (str): Cache key to delete
+- `key` (str, optional): Cache key to delete. If omitted, every cached
+  entry (memory + disk) is cleared.
+
+**Example**:
+```python
+# Drop one stale entry
+self.cache_manager.clear_cache("weather_data")
+
+# Nuke everything (rare — typically only used by maintenance tooling)
+self.cache_manager.clear_cache()
+```
 
 ### Advanced Methods
 

docs/PLUGIN_ARCHITECTURE_SPEC.md

@@ -1,5 +1,24 @@
 # LEDMatrix Plugin Architecture Specification
 
+> **Historical design document.** This spec was written *before* the
+> plugin system was built. Most of it is still architecturally
+> accurate, but specific details have drifted from the shipped
+> implementation:
+>
+> - Code paths reference `web_interface_v2.py`; the current web UI is
+>   `web_interface/app.py` with v3 Blueprint-based templates.
+> - The example Flask routes use `/api/plugins/*`; the real API
+>   blueprint is mounted at `/api/v3` (`web_interface/app.py:144`).
+> - The default plugin location is `plugin-repos/` (configurable via
+>   `plugin_system.plugins_directory`), not `./plugins/`.
+> - The "Migration Strategy" and "Implementation Roadmap" sections
+>   describe work that has now shipped.
+>
+> For the current system, see:
+> [PLUGIN_DEVELOPMENT_GUIDE.md](PLUGIN_DEVELOPMENT_GUIDE.md),
+> [PLUGIN_API_REFERENCE.md](PLUGIN_API_REFERENCE.md), and
+> [REST_API_REFERENCE.md](REST_API_REFERENCE.md).
+
 ## Executive Summary
 
 This document outlines the transformation of the LEDMatrix project into a modular, plugin-based architecture that enables user-created displays. The goal is to create a flexible, extensible system similar to Home Assistant Community Store (HACS) where users can discover, install, and manage custom display managers from GitHub repositories.
@@ -9,22 +28,22 @@ This document outlines the transformation of the LEDMatrix project into a modula
 1. **Gradual Migration**: Existing managers remain in core while new plugin infrastructure is built
 2. **Migration Required**: Breaking changes with migration tools provided
 3. **GitHub-Based Store**: Simple discovery system, packages served from GitHub repos
-4. **Plugin Location**: `./plugins/` directory in project root
+4. **Plugin Location**: `./plugins/` directory in project root *(actual default is now `plugin-repos/`)*
 
 ---
 
 ## Table of Contents
 
-1. [Current Architecture Analysis](#current-architecture-analysis)
+1. [Current Architecture Analysis](#1-current-architecture-analysis)
-2. [Plugin System Design](#plugin-system-design)
+2. [Plugin System Design](#2-plugin-system-design)
-3. [Plugin Store & Discovery](#plugin-store--discovery)
+3. [Plugin Store & Discovery](#3-plugin-store--discovery)
-4. [Web UI Transformation](#web-ui-transformation)
+4. [Web UI Transformation](#4-web-ui-transformation)
-5. [Migration Strategy](#migration-strategy)
+5. [Migration Strategy](#5-migration-strategy)
-6. [Plugin Developer Guidelines](#plugin-developer-guidelines)
+6. [Plugin Developer Guidelines](#6-plugin-developer-guidelines)
-7. [Technical Implementation Details](#technical-implementation-details)
+7. [Technical Implementation Details](#7-technical-implementation-details)
-8. [Best Practices & Standards](#best-practices--standards)
+8. [Best Practices & Standards](#8-best-practices--standards)
-9. [Security Considerations](#security-considerations)
+9. [Security Considerations](#9-security-considerations)
-10. [Implementation Roadmap](#implementation-roadmap)
+10. [Implementation Roadmap](#10-implementation-roadmap)
 
 ---
 

docs/PLUGIN_CONFIGURATION_GUIDE.md

@@ -184,37 +184,45 @@ plugin-repos/
 
 ```json
 {
+    "id": "my-plugin",
     "name": "My Plugin",
     "version": "1.0.0",
     "description": "Plugin description",
     "author": "Your Name",
+    "entry_point": "manager.py",
+    "class_name": "MyPlugin",
     "display_modes": ["my_plugin"],
-    "config_schema": {
+    "config_schema": "config_schema.json"
-        "type": "object",
-        "properties": {
-            "enabled": {"type": "boolean", "default": false},
-            "update_interval": {"type": "integer", "default": 3600}
-        }
-    }
 }
 ```
 
+The required fields the plugin loader will check for are `id`,
+`name`, `version`, `class_name`, and `display_modes`. `entry_point`
+defaults to `manager.py` if omitted. `config_schema` must be a
+**file path** (relative to the plugin directory) — the schema itself
+lives in a separate JSON file, not inline in the manifest. The
+`class_name` value must match the actual class defined in the entry
+point file **exactly** (case-sensitive, no spaces); otherwise the
+loader fails with `AttributeError` at load time.
+
 ### Plugin Manager Class
 
 ```python
 from src.plugin_system.base_plugin import BasePlugin
 
-class MyPluginManager(BasePlugin):
+class MyPlugin(BasePlugin):
-    def __init__(self, config, display_manager, cache_manager, font_manager):
+    def __init__(self, plugin_id, config, display_manager, cache_manager, plugin_manager):
-        super().__init__(config, display_manager, cache_manager, font_manager)
+        super().__init__(plugin_id, config, display_manager, cache_manager, plugin_manager)
-        self.enabled = config.get('enabled', False)
+        # self.config, self.display_manager, self.cache_manager,
+        # self.plugin_manager, self.logger, and self.enabled are
+        # all set up by BasePlugin.__init__.
 
     def update(self):
-        """Update plugin data"""
+        """Fetch/update data. Called based on update_interval."""
         pass
 
     def display(self, force_clear=False):
-        """Display plugin content"""
+        """Render plugin content to the LED matrix."""
         pass
     
     def get_duration(self):

docs/PLUGIN_CONFIGURATION_TABS.md

@@ -1,5 +1,15 @@
 # Plugin Configuration Tabs
 
+> **Status note:** this doc was written during the rollout of the
+> per-plugin configuration tab feature. The feature itself is shipped
+> and working in the current v3 web interface, but a few file paths
+> in the "Implementation Details" section below still reference the
+> pre-v3 file layout (`web_interface_v2.py`, `templates/index_v2.html`).
+> The current implementation lives in `web_interface/app.py`,
+> `web_interface/blueprints/api_v3.py`, and `web_interface/templates/v3/`.
+> The user-facing description (Overview, Features, Form Generation
+> Process) is still accurate.
+
 ## Overview
 
 Each installed plugin now gets its own dedicated configuration tab in the web interface. This provides a clean, organized way to configure plugins without cluttering the main Plugins management tab.
@@ -29,10 +39,14 @@ Each installed plugin now gets its own dedicated configuration tab in the web in
 3. Click **Save Configuration**
 4. Restart the display service to apply changes
 
-### Plugin Management vs Configuration
+### Plugin Manager vs Per-Plugin Configuration
 
-- **Plugins Tab**: Used for plugin management (install, enable/disable, update, uninstall)
+- **Plugin Manager tab** (second nav row): used for browsing the
-- **Plugin-Specific Tabs**: Used for configuring plugin behavior and settings
+  Plugin Store, installing plugins, toggling installed plugins on/off,
+  and updating/uninstalling them
+- **Per-plugin tabs** (one per installed plugin, also in the second
+  nav row): used for configuring that specific plugin's behavior and
+  settings via a form auto-generated from its `config_schema.json`
 
 ## For Plugin Developers
 
@@ -194,12 +208,12 @@ Renders as: Dropdown select
 
 ### Form Generation Process
 
-1. Web UI loads installed plugins via `/api/plugins/installed`
+1. Web UI loads installed plugins via `/api/v3/plugins/installed`
 2. For each plugin, the backend loads its `config_schema.json`
 3. Frontend generates a tab button with plugin name
 4. Frontend generates a form based on the JSON Schema
 5. Current config values from `config.json` are populated
-6. When saved, each field is sent to `/api/plugins/config` endpoint
+6. When saved, each field is sent to `/api/v3/plugins/config` endpoint
 
 ## Implementation Details
 
@@ -207,7 +221,7 @@ Renders as: Dropdown select
 
 **File**: `web_interface_v2.py`
 
-- Modified `/api/plugins/installed` endpoint to include `config_schema_data`
+- Modified `/api/v3/plugins/installed` endpoint to include `config_schema_data`
 - Loads each plugin's `config_schema.json` if it exists
 - Returns schema data along with plugin info
 
@@ -227,7 +241,7 @@ New Functions:
 ```
 Page Load
   → refreshPlugins()
-    → /api/plugins/installed
+    → /api/v3/plugins/installed
       → Returns plugins with config_schema_data
     → generatePluginTabs()
       → Creates tab buttons
@@ -241,7 +255,7 @@ User Saves
   → savePluginConfiguration()
     → Reads form data
     → Converts types per schema
-    → Sends to /api/plugins/config
+    → Sends to /api/v3/plugins/config
       → Updates config.json
     → Shows success notification
 ```

docs/PLUGIN_CONFIG_ARCHITECTURE.md

@@ -31,7 +31,7 @@
 ┌─────────────────────────────────────────────────────────────────┐
 │                      Flask Backend                               │
 │  ┌───────────────────────────────────────────────────────┐     │
-│  │         /api/plugins/installed                         │     │
+│  │         /api/v3/plugins/installed                         │     │
 │  │  • Discover plugins in plugins/ directory              │     │
 │  │  • Load manifest.json for each plugin                  │     │
 │  │  • Load config_schema.json if exists                   │     │
@@ -40,7 +40,7 @@
 │  └───────────────────────────────────────────────────────┘     │
 │                                                                   │
 │  ┌───────────────────────────────────────────────────────┐     │
-│  │         /api/plugins/config                            │     │
+│  │         /api/v3/plugins/config                            │     │
 │  │  • Receive key-value pair                              │     │
 │  │  • Update config.json                                  │     │
 │  │  • Return success/error                                │     │
@@ -88,7 +88,7 @@ DOMContentLoaded Event
 refreshPlugins()
          │
          ▼
-GET /api/plugins/installed
+GET /api/v3/plugins/installed
          │
          ├─→ For each plugin directory:
          │   ├─→ Read manifest.json
@@ -146,7 +146,7 @@ savePluginConfiguration(pluginId)
          │   │   • array: split(',')
          │   │   • string: as-is
          │   │
-         │   └─→ POST /api/plugins/config
+         │   └─→ POST /api/v3/plugins/config
          │       {
          │         plugin_id: "hello-world",
          │         key: "message",
@@ -174,7 +174,7 @@ Refresh Plugins
 Window Load
   └── DOMContentLoaded
       └── refreshPlugins()
-          ├── fetch('/api/plugins/installed')
+          ├── fetch('/api/v3/plugins/installed')
           ├── renderInstalledPlugins(plugins)
           └── generatePluginTabs(plugins)
               └── For each plugin:
@@ -198,19 +198,19 @@ User Interactions
   │   ├── Process form data
   │   ├── Convert types per schema
   │   └── For each field:
-  │       └── POST /api/plugins/config
+  │       └── POST /api/v3/plugins/config
   │
   └── resetPluginConfig(pluginId)
       ├── Get schema defaults
       └── For each field:
-          └── POST /api/plugins/config
+          └── POST /api/v3/plugins/config
 ```
 
 ### Backend (Python)
 
 ```
 Flask Routes
-  ├── /api/plugins/installed (GET)
+  ├── /api/v3/plugins/installed (GET)
   │   └── api_plugins_installed()
   │       ├── PluginManager.discover_plugins()
   │       ├── For each plugin:
@@ -219,7 +219,7 @@ Flask Routes
   │       │   └── Load config from config.json
   │       └── Return JSON response
   │
-  └── /api/plugins/config (POST)
+  └── /api/v3/plugins/config (POST)
       └── api_plugin_config()
           ├── Parse request JSON
           ├── Load current config
@@ -279,7 +279,7 @@ LEDMatrix/
 ### 3. Individual Config Updates
 
 **Why**: Simplifies backend API  
-**How**: Each field saved separately via `/api/plugins/config`  
+**How**: Each field saved separately via `/api/v3/plugins/config`  
 **Benefit**: Atomic updates, easier error handling
 
 ### 4. Type Conversion in Frontend

docs/PLUGIN_CONFIG_QUICK_START.md

@@ -4,13 +4,14 @@
 
 ### For Users
 
-1. Open the web interface: `http://your-pi-ip:5001`
+1. Open the web interface: `http://your-pi-ip:5000`
-2. Go to the **Plugin Store** tab
+2. Open the **Plugin Manager** tab
-3. Install a plugin (e.g., "Hello World")
+3. Find a plugin in the **Plugin Store** section (e.g., "Hello World")
-4. Notice a new tab appears with the plugin's name
+   and click **Install**
-5. Click on the plugin's tab to configure it
+4. Notice a new tab appears in the second nav row with the plugin's name
-6. Modify settings and click **Save Configuration**
+5. Click that tab to configure the plugin
-7. Restart the display to see changes
+6. Modify settings and click **Save**
+7. From **Overview**, click **Restart Display Service** to see changes
 
 That's it! Each installed plugin automatically gets its own configuration tab.
 
@@ -171,9 +172,11 @@ User enters: `255, 0, 0`
 ### For Users
 
 1. **Reset Anytime**: Use "Reset to Defaults" to restore original settings
-2. **Navigate Back**: Click "Back to Plugin Management" to return to Plugins tab
+2. **Navigate Back**: Switch to the **Plugin Manager** tab to see the
+   full list of installed plugins
 3. **Check Help Text**: Each field has a description explaining what it does
-4. **Restart Required**: Remember to restart the display after saving
+4. **Restart Required**: Remember to restart the display service from
+   **Overview** after saving
 
 ### For Developers
 
@@ -206,8 +209,10 @@ User enters: `255, 0, 0`
 ## 📚 Next Steps
 
 - Read the full documentation: [PLUGIN_CONFIGURATION_TABS.md](PLUGIN_CONFIGURATION_TABS.md)
-- Check implementation details: [PLUGIN_CONFIG_TABS_SUMMARY.md](PLUGIN_CONFIG_TABS_SUMMARY.md)
+- Check the configuration architecture: [PLUGIN_CONFIG_ARCHITECTURE.md](PLUGIN_CONFIG_ARCHITECTURE.md)
-- Browse example plugins: `plugins/hello-world/`, `plugins/clock-simple/`
+- Browse example plugins in the
+  [ledmatrix-plugins](https://github.com/ChuckBuilds/ledmatrix-plugins)
+  repo, especially `plugins/hello-world/` and `plugins/clock-simple/`
 - Join the community for help and suggestions
 
 ## 🎉 That's It!

docs/PLUGIN_CUSTOM_ICONS_FEATURE.md

@@ -1,4 +1,12 @@
-# ✅ Plugin Custom Icons Feature - Complete
+# Plugin Custom Icons Feature
+
+> **Note:** this doc was originally written against the v2 web
+> interface. The v3 web interface now honors the same `icon` field
+> in `manifest.json` — the API passes it through at
+> `web_interface/blueprints/api_v3.py` and the three plugin-tab
+> render sites in `web_interface/templates/v3/base.html` read it
+> with a `fas fa-puzzle-piece` fallback. The guidance below still
+> applies; only the referenced template/helper names differ.
 
 ## What Was Implemented
 
@@ -304,7 +312,7 @@ Result: `[logo] Company Metrics` tab
 
 To test custom icons:
 
-1. **Open web interface** at `http://your-pi:5001`
+1. **Open web interface** at `http://your-pi-ip:5000`
 2. **Check installed plugins**:
    - Hello World should show 👋
    - Clock Simple should show 🕐

docs/PLUGIN_DEPENDENCY_GUIDE.md

@@ -37,7 +37,7 @@ sudo systemctl start ledmatrix-web
 
 ### ✅ Scenario 2: Web Interface Plugin Installation
 
-**What:** Installing/enabling plugins via web interface at `http://pi-ip:5001`
+**What:** Installing/enabling plugins via web interface at `http://pi-ip:5000`
 
 - **Web service runs as:** root (ledmatrix-web.service)
 - **Installs to:** System-wide

docs/PLUGIN_DEPENDENCY_TROUBLESHOOTING.md

@@ -77,10 +77,12 @@ sudo chmod -R 755 /root/.cache
 
 The web interface handles dependency installation correctly in the service context:
 
-1. Access the web interface (usually http://ledpi:8080)
+1. Access the web interface (`http://ledpi:5000` or `http://your-pi-ip:5000`)
-2. Navigate to Plugin Store or Plugin Management
+2. Open the **Plugin Manager** tab (use the **Plugin Store** section to
-3. Install plugins through the web UI
+   find the plugin, or **Install from GitHub**)
-4. The system will automatically handle dependencies
+3. Install the plugin through the web UI
+4. The system automatically handles dependency installation in the
+   service context (which has the right permissions)
 
 ## Prevention
 

docs/PLUGIN_DEVELOPMENT_GUIDE.md

@@ -12,6 +12,21 @@ When developing plugins in separate repositories, you need a way to:
 
 The solution uses **symbolic links** to connect plugin repositories to the `plugins/` directory, combined with a helper script to manage the linking process.
 
+> **Plugin directory note:** the dev workflow described here puts
+> symlinks in `plugins/`. The plugin loader's *production* default is
+> `plugin-repos/` (set by `plugin_system.plugins_directory` in
+> `config.json`). Importantly, the main discovery path
+> (`PluginManager.discover_plugins()`) only scans the configured
+> directory — it does **not** fall back to `plugins/`. Two narrower
+> paths do: the Plugin Store install/update logic in `store_manager.py`,
+> and `schema_manager.get_schema_path()` (which the web UI form
+> generator uses to find `config_schema.json`). That's why plugins
+> installed via the Plugin Store still work even with symlinks in
+> `plugins/`, but your own dev plugin won't appear in the rotation
+> until you either move it to `plugin-repos/` or change
+> `plugin_system.plugins_directory` to `plugins` in the General tab
+> of the web UI. The latter is the smoother dev setup.
+
 ## Quick Start
 
 ### 1. Link a Plugin from GitHub
@@ -466,7 +481,9 @@ When developing plugins, you'll need to use the APIs provided by the LEDMatrix s
 
 **Display Manager** (`self.display_manager`):
 - `clear()`, `update_display()` - Core display operations
-- `draw_text()`, `draw_image()` - Rendering methods
+- `draw_text()` - Text rendering. For images, paste directly onto
+  `display_manager.image` (a PIL Image) and call `update_display()`;
+  there is no `draw_image()` helper method.
 - `draw_weather_icon()`, `draw_sun()`, `draw_cloud()` - Weather icons
 - `get_text_width()`, `get_font_height()` - Text utilities
 - `set_scrolling_state()`, `defer_update()` - Scrolling state management

docs/PLUGIN_IMPLEMENTATION_SUMMARY.md

@@ -1,5 +1,11 @@
 # LEDMatrix Plugin System - Implementation Summary
 
+> **Status note:** this is a high-level summary written during the
+> initial plugin system rollout. Most of it is accurate, but a few
+> sections describe features that are aspirational or only partially
+> implemented (per-plugin virtual envs, resource limits, registry
+> manager). Drift from current reality is called out inline.
+
 This document provides a comprehensive overview of the plugin architecture implementation, consolidating details from multiple plugin-related implementation summaries.
 
 ## Executive Summary
@@ -14,16 +20,25 @@ The LEDMatrix plugin system transforms the project into a modular, extensible pl
 LEDMatrix/
 ├── src/plugin_system/
 │   ├── base_plugin.py          # Plugin interface contract
+│   ├── plugin_loader.py        # Discovery + dynamic import
 │   ├── plugin_manager.py       # Lifecycle management
-│   ├── store_manager.py        # GitHub integration
+│   ├── store_manager.py        # GitHub install / store integration
-│   └── registry_manager.py     # Plugin discovery
+│   ├── schema_manager.py       # Config schema validation
-├── plugins/                    # User-installed plugins
+│   ├── health_monitor.py       # Plugin health metrics
+│   ├── operation_queue.py      # Async install/update operations
+│   └── state_manager.py        # Persistent plugin state
+├── plugin-repos/               # Default plugin install location
 │   ├── football-scoreboard/
 │   ├── ledmatrix-music/
 │   └── ledmatrix-stocks/
 └── config/config.json          # Plugin configurations
 ```
 
+> Earlier drafts of this doc referenced `registry_manager.py`. It was
+> never created — discovery happens in `plugin_loader.py`. The earlier
+> default plugin location of `plugins/` has been replaced with
+> `plugin-repos/` (see `config/config.template.json:130`).
+
 ### Key Design Decisions
 
 ✅ **Gradual Migration**: Plugin system added alongside existing managers
@@ -77,14 +92,26 @@ LEDMatrix/
 - **Fallback System**: Default icons when custom ones unavailable
 
 #### Dependency Management
-- **Requirements.txt**: Per-plugin dependencies
+- **Requirements.txt**: Per-plugin dependencies, installed system-wide
-- **Virtual Environments**: Isolated dependency management
+  via pip on first plugin load
-- **Version Pinning**: Explicit version constraints
+- **Version Pinning**: Standard pip version constraints in
+  `requirements.txt`
 
-#### Permission System
+> Earlier plans called for per-plugin virtual environments. That isn't
-- **File Access Control**: Configurable file system permissions
+> implemented — plugin Python deps install into the system Python
-- **Network Access**: Controlled API access
+> environment (or whatever environment the LEDMatrix service is using).
-- **Resource Limits**: CPU and memory constraints
+> Conflicting versions across plugins are not auto-resolved.
+
+#### Health monitoring
+- **Resource Monitor** (`src/plugin_system/resource_monitor.py`): tracks
+  CPU and memory metrics per plugin and warns about slow plugins
+- **Health Monitor** (`src/plugin_system/health_monitor.py`): tracks
+  plugin failures and last-success timestamps
+
+> Earlier plans called for hard CPU/memory limits and a sandboxed
+> permission system. Neither is implemented. Plugins run in the same
+> process as the display loop with full file-system and network access
+> — review third-party plugin code before installing.
 
 ## Plugin Development
 

docs/PLUGIN_QUICK_REFERENCE.md

@@ -2,14 +2,20 @@
 
 ## Overview
 
-Transform LEDMatrix into a modular, plugin-based system where users can create, share, and install custom displays via a GitHub-based store (similar to HACS for Home Assistant).
+LEDMatrix is a modular, plugin-based system where users create, share,
+and install custom displays via a GitHub-based store (similar in spirit
+to HACS for Home Assistant). This page is a quick reference; for the
+full design see [PLUGIN_ARCHITECTURE_SPEC.md](PLUGIN_ARCHITECTURE_SPEC.md)
+and [PLUGIN_DEVELOPMENT_GUIDE.md](PLUGIN_DEVELOPMENT_GUIDE.md).
 
 ## Key Decisions
 
-✅ **Gradual Migration**: Existing managers stay, plugins added alongside  
+✅ **Plugin-First**: All display features (calendar excepted) are now plugins
-✅ **Migration Required**: Breaking changes in v3.0, tools provided  
+✅ **GitHub Store**: Discovery from `ledmatrix-plugins` registry plus
-✅ **GitHub Store**: Simple discovery, packages from repos  
+   any GitHub URL
-✅ **Plugin Location**: `./plugins/` directory  
+✅ **Plugin Location**: configured by `plugin_system.plugins_directory`
+   in `config.json` (default `plugin-repos/`; the loader also searches
+   `plugins/` as a fallback)
 
 ## File Structure
 
@@ -19,15 +25,16 @@ LEDMatrix/
 │   └── plugin_system/
 │       ├── base_plugin.py          # Plugin interface
 │       ├── plugin_manager.py       # Load/unload plugins
+│       ├── plugin_loader.py        # Discovery + dynamic import
 │       └── store_manager.py        # Install from GitHub
-├── plugins/
+├── plugin-repos/                   # Default plugin install location
 │   ├── clock-simple/
 │   │   ├── manifest.json           # Metadata
 │   │   ├── manager.py              # Main plugin class
 │   │   ├── requirements.txt        # Dependencies
 │   │   ├── config_schema.json      # Validation
 │   │   └── README.md
-│   └── nhl-scores/
+│   └── hockey-scoreboard/
 │       └── ... (same structure)
 └── config/config.json               # Plugin configs
 ```
@@ -109,100 +116,45 @@ git push origin v1.0.0
 
 ### Web UI
 
-1. **Browse Store**: Plugin Store tab → Search/filter
+1. **Browse Store**: Plugin Manager tab → Plugin Store section → Search/filter
-2. **Install**: Click "Install" button
+2. **Install**: Click **Install** in the plugin's row
-3. **Configure**: Plugin Manager → Click ⚙️ Configure
+3. **Configure**: open the plugin's tab in the second nav row
-4. **Enable/Disable**: Toggle switch
+4. **Enable/Disable**: toggle switch in the **Installed Plugins** list
-5. **Reorder**: Drag and drop in rotation list
+5. **Reorder**: order is set by the position in `display_modes` /
+   plugin order; rearranging via drag-and-drop is not yet supported
 
-### API
+### REST API
 
-```python
+The API is mounted at `/api/v3` (`web_interface/app.py:144`).
-# Install plugin
-POST /api/plugins/install
-{"plugin_id": "my-plugin"}
-
-# Install from custom URL
-POST /api/plugins/install-from-url
-{"repo_url": "https://github.com/User/plugin"}
-
-# List installed
-GET /api/plugins/installed
-
-# Toggle
-POST /api/plugins/toggle
-{"plugin_id": "my-plugin", "enabled": true}
-```
-
-### Command Line
-
-```python
-from src.plugin_system.store_manager import PluginStoreManager
-
-store = PluginStoreManager()
-
-# Install
-store.install_plugin('nhl-scores')
-
-# Install from URL
-store.install_from_url('https://github.com/User/plugin')
-
-# Update
-store.update_plugin('nhl-scores')
-
-# Uninstall
-store.uninstall_plugin('nhl-scores')
-```
-
-## Migration Path
-
-### Phase 1: v2.0.0 (Plugin Infrastructure)
-- Plugin system alongside existing managers
-- 100% backward compatible
-- Web UI shows plugin store
-
-### Phase 2: v2.1.0 (Example Plugins)
-- Reference plugins created
-- Migration examples
-- Developer docs
-
-### Phase 3: v2.2.0 (Migration Tools)
-- Auto-migration script
-- Config converter
-- Testing tools
-
-### Phase 4: v2.5.0 (Deprecation)
-- Warnings on legacy managers
-- Migration guide
-- 95% backward compatible
-
-### Phase 5: v3.0.0 (Plugin-Only)
-- Legacy managers removed from core
-- Packaged as official plugins
-- **Breaking change - migration required**
-
-## Quick Migration
 
 ```bash
-# 1. Backup
+# Install plugin from the registry
-cp config/config.json config/config.json.backup
+curl -X POST http://your-pi-ip:5000/api/v3/plugins/install \
+  -H "Content-Type: application/json" \
+  -d '{"plugin_id": "hockey-scoreboard"}'
 
-# 2. Run migration
+# Install from custom URL
-python3 scripts/migrate_to_plugins.py
+curl -X POST http://your-pi-ip:5000/api/v3/plugins/install-from-url \
+  -H "Content-Type: application/json" \
+  -d '{"repo_url": "https://github.com/User/plugin"}'
 
-# 3. Review
+# List installed
-cat config/config.json.migrated
+curl http://your-pi-ip:5000/api/v3/plugins/installed
 
-# 4. Apply
+# Toggle
-mv config/config.json.migrated config/config.json
+curl -X POST http://your-pi-ip:5000/api/v3/plugins/toggle \
-
+  -H "Content-Type: application/json" \
-# 5. Restart
+  -d '{"plugin_id": "hockey-scoreboard", "enabled": true}'
-sudo systemctl restart ledmatrix
 ```
 
+See [REST_API_REFERENCE.md](REST_API_REFERENCE.md) for the full list.
+
 ## Plugin Registry Structure
 
-**ChuckBuilds/ledmatrix-plugin-registry/plugins.json**:
+The official registry lives at
+[`ChuckBuilds/ledmatrix-plugins`](https://github.com/ChuckBuilds/ledmatrix-plugins).
+The Plugin Store reads `plugins.json` at the root of that repo, which
+follows this shape:
 ```json
 {
   "plugins": [
@@ -245,42 +197,30 @@ sudo systemctl restart ledmatrix
 - ✅ Community handles custom displays
 - ✅ Easier to review changes
 
-## What's Missing?
+## Known Limitations
 
-This specification covers the technical architecture. Additional considerations:
+The plugin system is shipped and stable, but some things are still
+intentionally simple:
 
-1. **Sandboxing**: Current design has no isolation (future enhancement)
+1. **Sandboxing**: plugins run in the same process as the display loop;
-2. **Resource Limits**: No CPU/memory limits per plugin (future)
+   there is no isolation. Review code before installing third-party
-3. **Plugin Ratings**: Registry needs rating/review system
+   plugins.
-4. **Auto-Updates**: Manual update only (could add auto-update)
+2. **Resource limits**: there's a resource monitor that warns about
-5. **Dependency Conflicts**: No automatic resolution
+   slow plugins, but no hard CPU/memory caps.
-6. **Version Pinning**: Limited version constraint checking
+3. **Plugin ratings**: not yet — the Plugin Store shows version,
-7. **Plugin Testing**: No automated testing framework
+   author, and category but no community rating system.
-8. **Marketplace**: No paid plugins (all free/open source)
+4. **Auto-updates**: manual via the Plugin Manager tab; no automatic
-
+   background updates.
-## Next Steps
+5. **Dependency conflicts**: each plugin's `requirements.txt` is
-
+   installed via pip; conflicting versions across plugins are not
-1. ✅ Review this specification
+   resolved automatically.
-2. Start Phase 1 implementation
+6. **Plugin testing framework**: see
-3. Create first 3-4 example plugins
+   [HOW_TO_RUN_TESTS.md](HOW_TO_RUN_TESTS.md) and
-4. Set up plugin registry repo
+   [DEV_PREVIEW.md](DEV_PREVIEW.md) — there are tools, but no
-5. Build web UI components
+   mandatory test gate.
-6. Test on Pi hardware
-7. Release v2.0.0 alpha
-
-## Questions to Resolve
-
-Before implementing, consider:
-
-1. Should we support plugin dependencies (plugin A requires plugin B)?
-2. How to handle breaking changes in core display_manager API?
-3. Should plugins be able to add new web UI pages?
-4. What about plugins that need hardware beyond LED matrix?
-5. How to prevent malicious plugins?
-6. Should there be plugin quotas (max API calls, etc.)?
-7. How to handle plugin conflicts (two clocks competing)?
 
 ---
 
-**See PLUGIN_ARCHITECTURE_SPEC.md for full details**
+**See [PLUGIN_ARCHITECTURE_SPEC.md](PLUGIN_ARCHITECTURE_SPEC.md) for the
+full architectural specification.**
 

docs/PLUGIN_REGISTRY_SETUP_GUIDE.md

@@ -95,14 +95,14 @@ Official plugin registry for [LEDMatrix](https://github.com/ChuckBuilds/LEDMatri
 
 All plugins can be installed through the LEDMatrix web interface:
 
-1. Open web interface (http://your-pi-ip:5050)
+1. Open web interface (http://your-pi-ip:5000)
-2. Go to Plugin Store tab
+2. Open the **Plugin Manager** tab
-3. Browse or search for plugins
+3. Browse or search the **Plugin Store** section
-4. Click Install
+4. Click **Install**
 
 Or via API:
 ```bash
-curl -X POST http://your-pi-ip:5050/api/plugins/install \
+curl -X POST http://your-pi-ip:5000/api/v3/plugins/install \
   -d '{"plugin_id": "clock-simple"}'
 ```
 
@@ -152,7 +152,7 @@ Before submitting, ensure your plugin:
 1. **Test Your Plugin**
    ```bash
    # Install via URL on your Pi
-   curl -X POST http://your-pi:5050/api/plugins/install-from-url \
+   curl -X POST http://your-pi:5000/api/v3/plugins/install-from-url \
      -d '{"repo_url": "https://github.com/you/ledmatrix-your-plugin"}'
    ```
 
@@ -311,7 +311,7 @@ git push
 # 1. Receive PR on ledmatrix-plugins repo
 # 2. Review using VERIFICATION.md checklist
 # 3. Test installation:
-curl -X POST http://pi:5050/api/plugins/install-from-url \
+curl -X POST http://pi:5000/api/v3/plugins/install-from-url \
   -d '{"repo_url": "https://github.com/contributor/plugin"}'
 
 # 4. If approved, merge PR

docs/PLUGIN_STORE_GUIDE.md

@@ -12,7 +12,7 @@ The LEDMatrix Plugin Store allows you to discover, install, and manage display p
 ```bash
 # Web UI: Plugin Store → Search → Click Install
 # API:
-curl -X POST http://your-pi-ip:5050/api/plugins/install \
+curl -X POST http://your-pi-ip:5000/api/v3/plugins/install \
   -H "Content-Type: application/json" \
   -d '{"plugin_id": "clock-simple"}'
 ```
@@ -21,7 +21,7 @@ curl -X POST http://your-pi-ip:5050/api/plugins/install \
 ```bash
 # Web UI: Plugin Store → "Install from URL" → Paste URL
 # API:
-curl -X POST http://your-pi-ip:5050/api/plugins/install-from-url \
+curl -X POST http://your-pi-ip:5000/api/v3/plugins/install-from-url \
   -H "Content-Type: application/json" \
   -d '{"repo_url": "https://github.com/user/ledmatrix-plugin"}'
 ```
@@ -29,20 +29,20 @@ curl -X POST http://your-pi-ip:5050/api/plugins/install-from-url \
 ### Manage Plugins
 ```bash
 # List installed
-curl "http://your-pi-ip:5050/api/plugins/installed"
+curl "http://your-pi-ip:5000/api/v3/plugins/installed"
 
 # Enable/disable
-curl -X POST http://your-pi-ip:5050/api/plugins/toggle \
+curl -X POST http://your-pi-ip:5000/api/v3/plugins/toggle \
   -H "Content-Type: application/json" \
   -d '{"plugin_id": "clock-simple", "enabled": true}'
 
 # Update
-curl -X POST http://your-pi-ip:5050/api/plugins/update \
+curl -X POST http://your-pi-ip:5000/api/v3/plugins/update \
   -H "Content-Type: application/json" \
   -d '{"plugin_id": "clock-simple"}'
 
 # Uninstall
-curl -X POST http://your-pi-ip:5050/api/plugins/uninstall \
+curl -X POST http://your-pi-ip:5000/api/v3/plugins/uninstall \
   -H "Content-Type: application/json" \
   -d '{"plugin_id": "clock-simple"}'
 ```
@@ -56,7 +56,7 @@ curl -X POST http://your-pi-ip:5050/api/plugins/uninstall \
 The official plugin store contains curated, verified plugins that have been reviewed by maintainers.
 
 **Via Web Interface:**
-1. Open the web interface at http://your-pi-ip:5050
+1. Open the web interface at http://your-pi-ip:5000
 2. Navigate to the "Plugin Store" tab
 3. Browse or search for plugins
 4. Click "Install" on the desired plugin
@@ -65,7 +65,7 @@ The official plugin store contains curated, verified plugins that have been revi
 
 **Via REST API:**
 ```bash
-curl -X POST http://your-pi-ip:5050/api/plugins/install \
+curl -X POST http://your-pi-ip:5000/api/v3/plugins/install \
   -H "Content-Type: application/json" \
   -d '{"plugin_id": "clock-simple"}'
 ```
@@ -101,7 +101,7 @@ Install any plugin directly from a GitHub repository, even if it's not in the of
 
 **Via REST API:**
 ```bash
-curl -X POST http://your-pi-ip:5050/api/plugins/install-from-url \
+curl -X POST http://your-pi-ip:5000/api/v3/plugins/install-from-url \
   -H "Content-Type: application/json" \
   -d '{"repo_url": "https://github.com/user/ledmatrix-my-plugin"}'
 ```
@@ -131,13 +131,13 @@ else:
 **Via REST API:**
 ```bash
 # Search by query
-curl "http://your-pi-ip:5050/api/plugins/store/search?q=hockey"
+curl "http://your-pi-ip:5000/api/v3/plugins/store/search?q=hockey"
 
 # Filter by category
-curl "http://your-pi-ip:5050/api/plugins/store/search?category=sports"
+curl "http://your-pi-ip:5000/api/v3/plugins/store/search?category=sports"
 
 # Filter by tags
-curl "http://your-pi-ip:5050/api/plugins/store/search?tags=nhl&tags=hockey"
+curl "http://your-pi-ip:5000/api/v3/plugins/store/search?tags=nhl&tags=hockey"
 ```
 
 **Via Python:**
@@ -168,7 +168,7 @@ results = store.search_plugins(tags=["nhl", "hockey"])
 
 **Via REST API:**
 ```bash
-curl "http://your-pi-ip:5050/api/plugins/installed"
+curl "http://your-pi-ip:5000/api/v3/plugins/installed"
 ```
 
 **Via Python:**
@@ -192,7 +192,7 @@ for plugin_id in installed:
 
 **Via REST API:**
 ```bash
-curl -X POST http://your-pi-ip:5050/api/plugins/toggle \
+curl -X POST http://your-pi-ip:5000/api/v3/plugins/toggle \
   -H "Content-Type: application/json" \
   -d '{"plugin_id": "clock-simple", "enabled": true}'
 ```
@@ -207,7 +207,7 @@ curl -X POST http://your-pi-ip:5050/api/plugins/toggle \
 
 **Via REST API:**
 ```bash
-curl -X POST http://your-pi-ip:5050/api/plugins/update \
+curl -X POST http://your-pi-ip:5000/api/v3/plugins/update \
   -H "Content-Type: application/json" \
   -d '{"plugin_id": "clock-simple"}'
 ```
@@ -230,7 +230,7 @@ success = store.update_plugin('clock-simple')
 
 **Via REST API:**
 ```bash
-curl -X POST http://your-pi-ip:5050/api/plugins/uninstall \
+curl -X POST http://your-pi-ip:5000/api/v3/plugins/uninstall \
   -H "Content-Type: application/json" \
   -d '{"plugin_id": "clock-simple"}'
 ```
@@ -351,15 +351,15 @@ All API endpoints return JSON with this structure:
 
 | Method | Endpoint | Description |
 |--------|----------|-------------|
-| GET | `/api/plugins/store/list` | List all plugins in store |
+| GET | `/api/v3/plugins/store/list` | List all plugins in store |
-| GET | `/api/plugins/store/search` | Search for plugins |
+| GET | `/api/v3/plugins/store/search` | Search for plugins |
-| GET | `/api/plugins/installed` | List installed plugins |
+| GET | `/api/v3/plugins/installed` | List installed plugins |
-| POST | `/api/plugins/install` | Install from registry |
+| POST | `/api/v3/plugins/install` | Install from registry |
-| POST | `/api/plugins/install-from-url` | Install from GitHub URL |
+| POST | `/api/v3/plugins/install-from-url` | Install from GitHub URL |
-| POST | `/api/plugins/uninstall` | Uninstall plugin |
+| POST | `/api/v3/plugins/uninstall` | Uninstall plugin |
-| POST | `/api/plugins/update` | Update plugin |
+| POST | `/api/v3/plugins/update` | Update plugin |
-| POST | `/api/plugins/toggle` | Enable/disable plugin |
+| POST | `/api/v3/plugins/toggle` | Enable/disable plugin |
-| POST | `/api/plugins/config` | Update plugin config |
+| POST | `/api/v3/plugins/config` | Update plugin config |
 
 ---
 
@@ -369,7 +369,7 @@ All API endpoints return JSON with this structure:
 
 ```bash
 # Install
-curl -X POST http://192.168.1.100:5050/api/plugins/install \
+curl -X POST http://192.168.1.100:5000/api/v3/plugins/install \
   -H "Content-Type: application/json" \
   -d '{"plugin_id": "clock-simple"}'
 
@@ -390,12 +390,12 @@ sudo systemctl restart ledmatrix
 
 ```bash
 # Install your own plugin during development
-curl -X POST http://192.168.1.100:5050/api/plugins/install-from-url \
+curl -X POST http://192.168.1.100:5000/api/v3/plugins/install-from-url \
   -H "Content-Type: application/json" \
   -d '{"repo_url": "https://github.com/myusername/ledmatrix-my-custom-plugin"}'
 
 # Enable it
-curl -X POST http://192.168.1.100:5050/api/plugins/toggle \
+curl -X POST http://192.168.1.100:5000/api/v3/plugins/toggle \
   -H "Content-Type: application/json" \
   -d '{"plugin_id": "my-custom-plugin", "enabled": true}'
 

docs/README.md

@@ -1,199 +1,84 @@
 # LEDMatrix Documentation
 
-Welcome to the LEDMatrix documentation! This directory contains comprehensive guides, specifications, and reference materials for the LEDMatrix project.
+This directory contains guides, references, and architectural notes for the
+LEDMatrix project. If you are setting up a Pi for the first time, start with
+the [project root README](../README.md) — it covers hardware, OS imaging, and
+the one-shot installer. The pages here go deeper.
 
-## 📚 Documentation Overview
+## I'm a new user
 
-This documentation has been recently consolidated (January 2026) to reduce redundancy while maintaining comprehensive coverage. We've reduced from 51 main documents to 16-17 well-organized files (~68% reduction) by merging duplicates, archiving ephemeral content, and unifying writing styles.
+1. [GETTING_STARTED.md](GETTING_STARTED.md) — first-time setup walkthrough
+2. [WEB_INTERFACE_GUIDE.md](WEB_INTERFACE_GUIDE.md) — using the web UI
+3. [PLUGIN_STORE_GUIDE.md](PLUGIN_STORE_GUIDE.md) — installing and managing plugins
+4. [WIFI_NETWORK_SETUP.md](WIFI_NETWORK_SETUP.md) — WiFi and AP-mode setup
+5. [TROUBLESHOOTING.md](TROUBLESHOOTING.md) — common issues and fixes
+6. [SSH_UNAVAILABLE_AFTER_INSTALL.md](SSH_UNAVAILABLE_AFTER_INSTALL.md) — recovering SSH after install
+7. [CONFIG_DEBUGGING.md](CONFIG_DEBUGGING.md) — diagnosing config problems
 
-## 📖 Quick Start
+## I want to write a plugin
 
-### For New Users
+Start here:
-1. **Installation**: Follow the main [README.md](../README.md) in the project root
-2. **First Setup**: See [GETTING_STARTED.md](GETTING_STARTED.md) for first-time setup guide
-3. **Web Interface**: Use [WEB_INTERFACE_GUIDE.md](WEB_INTERFACE_GUIDE.md) to learn the control panel
-4. **Troubleshooting**: Check [TROUBLESHOOTING.md](TROUBLESHOOTING.md) for common issues
 
-### For Developers
+1. [PLUGIN_DEVELOPMENT_GUIDE.md](PLUGIN_DEVELOPMENT_GUIDE.md) — end-to-end workflow
-1. **Plugin Development**: See [PLUGIN_DEVELOPMENT_GUIDE.md](PLUGIN_DEVELOPMENT_GUIDE.md) for complete guide
+2. [PLUGIN_QUICK_REFERENCE.md](PLUGIN_QUICK_REFERENCE.md) — cheat sheet
-2. **Advanced Patterns**: Read [ADVANCED_PLUGIN_DEVELOPMENT.md](ADVANCED_PLUGIN_DEVELOPMENT.md) for advanced techniques
+3. [PLUGIN_API_REFERENCE.md](PLUGIN_API_REFERENCE.md) — display, cache, and plugin-manager APIs
-3. **API Reference**: Check [PLUGIN_API_REFERENCE.md](PLUGIN_API_REFERENCE.md) for available methods
+4. [PLUGIN_ERROR_HANDLING.md](PLUGIN_ERROR_HANDLING.md) — error-handling patterns
-4. **Configuration**: See [PLUGIN_CONFIGURATION_GUIDE.md](PLUGIN_CONFIGURATION_GUIDE.md) for config schemas
+5. [DEV_PREVIEW.md](DEV_PREVIEW.md) — preview plugins on your dev machine without a Pi
+6. [EMULATOR_SETUP_GUIDE.md](EMULATOR_SETUP_GUIDE.md) — running the matrix emulator
 
-### For API Integration
+Going deeper:
-1. **REST API**: See [REST_API_REFERENCE.md](REST_API_REFERENCE.md) for all web interface endpoints
-2. **Plugin API**: See [PLUGIN_API_REFERENCE.md](PLUGIN_API_REFERENCE.md) for plugin developer APIs
-3. **Developer Reference**: See [DEVELOPER_QUICK_REFERENCE.md](DEVELOPER_QUICK_REFERENCE.md) for common tasks
 
-## 📋 Documentation Categories
+- [ADVANCED_PLUGIN_DEVELOPMENT.md](ADVANCED_PLUGIN_DEVELOPMENT.md) — advanced patterns
+- [PLUGIN_ARCHITECTURE_SPEC.md](PLUGIN_ARCHITECTURE_SPEC.md) — full plugin-system spec
+- [PLUGIN_DEPENDENCY_GUIDE.md](PLUGIN_DEPENDENCY_GUIDE.md) /
+  [PLUGIN_DEPENDENCY_TROUBLESHOOTING.md](PLUGIN_DEPENDENCY_TROUBLESHOOTING.md)
+- [PLUGIN_WEB_UI_ACTIONS.md](PLUGIN_WEB_UI_ACTIONS.md) (+ [example JSON](PLUGIN_WEB_UI_ACTIONS_EXAMPLE.json))
+- [PLUGIN_CUSTOM_ICONS.md](PLUGIN_CUSTOM_ICONS.md) /
+  [PLUGIN_CUSTOM_ICONS_FEATURE.md](PLUGIN_CUSTOM_ICONS_FEATURE.md)
+- [PLUGIN_REGISTRY_SETUP_GUIDE.md](PLUGIN_REGISTRY_SETUP_GUIDE.md) (+ [registry template](plugin_registry_template.json))
+- [STARLARK_APPS_GUIDE.md](STARLARK_APPS_GUIDE.md) — Starlark-based mini-apps
+- [widget-guide.md](widget-guide.md) — widget development
 
-### 🚀 Getting Started & User Guides
+## Configuring plugins
-- [GETTING_STARTED.md](GETTING_STARTED.md) - First-time setup and quick start guide
-- [WEB_INTERFACE_GUIDE.md](WEB_INTERFACE_GUIDE.md) - Complete web interface user guide
-- [WIFI_NETWORK_SETUP.md](WIFI_NETWORK_SETUP.md) - WiFi configuration and AP mode setup
-- [PLUGIN_STORE_GUIDE.md](PLUGIN_STORE_GUIDE.md) - Installing and managing plugins
-- [TROUBLESHOOTING.md](TROUBLESHOOTING.md) - Common issues and solutions
 
-### ⚡ Advanced Features
+- [PLUGIN_CONFIG_QUICK_START.md](PLUGIN_CONFIG_QUICK_START.md) — minimal config you need
-- [ADVANCED_FEATURES.md](ADVANCED_FEATURES.md) - Vegas scroll mode, on-demand display, cache management, background services, permissions
+- [PLUGIN_CONFIGURATION_GUIDE.md](PLUGIN_CONFIGURATION_GUIDE.md) — schema design
+- [PLUGIN_CONFIGURATION_TABS.md](PLUGIN_CONFIGURATION_TABS.md) — multi-tab UI configs
+- [PLUGIN_CONFIG_ARCHITECTURE.md](PLUGIN_CONFIG_ARCHITECTURE.md) — how the config system works
+- [PLUGIN_CONFIG_CORE_PROPERTIES.md](PLUGIN_CONFIG_CORE_PROPERTIES.md) — properties every plugin honors
 
-### 🔌 Plugin Development
+## Advanced features
-- [PLUGIN_DEVELOPMENT_GUIDE.md](PLUGIN_DEVELOPMENT_GUIDE.md) - Complete plugin development workflow
-- [PLUGIN_QUICK_REFERENCE.md](PLUGIN_QUICK_REFERENCE.md) - Plugin development quick reference
-- [ADVANCED_PLUGIN_DEVELOPMENT.md](ADVANCED_PLUGIN_DEVELOPMENT.md) - Advanced patterns and examples
-- [PLUGIN_CONFIGURATION_GUIDE.md](PLUGIN_CONFIGURATION_GUIDE.md) - Configuration schema design
-- [PLUGIN_CONFIGURATION_TABS.md](PLUGIN_CONFIGURATION_TABS.md) - Configuration tabs feature
-- [PLUGIN_CONFIG_QUICK_START.md](PLUGIN_CONFIG_QUICK_START.md) - Quick configuration guide
-- [PLUGIN_DEPENDENCY_GUIDE.md](PLUGIN_DEPENDENCY_GUIDE.md) - Managing plugin dependencies
-- [PLUGIN_DEPENDENCY_TROUBLESHOOTING.md](PLUGIN_DEPENDENCY_TROUBLESHOOTING.md) - Dependency troubleshooting
 
-### 🏗️ Plugin Features & Extensions
+- [ADVANCED_FEATURES.md](ADVANCED_FEATURES.md) — Vegas scroll, on-demand display,
-- [PLUGIN_CUSTOM_ICONS.md](PLUGIN_CUSTOM_ICONS.md) - Custom plugin icons
+  cache management, background services, permissions
-- [PLUGIN_CUSTOM_ICONS_FEATURE.md](PLUGIN_CUSTOM_ICONS_FEATURE.md) - Custom icons implementation
+- [FONT_MANAGER.md](FONT_MANAGER.md) — font system
-- [PLUGIN_IMPLEMENTATION_SUMMARY.md](PLUGIN_IMPLEMENTATION_SUMMARY.md) - Plugin system implementation
-- [PLUGIN_REGISTRY_SETUP_GUIDE.md](PLUGIN_REGISTRY_SETUP_GUIDE.md) - Setting up plugin registry
-- [PLUGIN_WEB_UI_ACTIONS.md](PLUGIN_WEB_UI_ACTIONS.md) - Web UI actions for plugins
 
-### 📡 API Reference
+## Reference
-- [REST_API_REFERENCE.md](REST_API_REFERENCE.md) - Complete REST API documentation (71+ endpoints)
-- [PLUGIN_API_REFERENCE.md](PLUGIN_API_REFERENCE.md) - Plugin developer API (Display Manager, Cache Manager, Plugin Manager)
-- [DEVELOPER_QUICK_REFERENCE.md](DEVELOPER_QUICK_REFERENCE.md) - Quick reference for common developer tasks
 
-### 🏛️ Architecture & Design
+- [REST_API_REFERENCE.md](REST_API_REFERENCE.md) — all web-interface HTTP endpoints
-- [PLUGIN_ARCHITECTURE_SPEC.md](PLUGIN_ARCHITECTURE_SPEC.md) - Complete plugin system specification
+- [PLUGIN_API_REFERENCE.md](PLUGIN_API_REFERENCE.md) — Python APIs available to plugins
-- [PLUGIN_CONFIG_ARCHITECTURE.md](PLUGIN_CONFIG_ARCHITECTURE.md) - Configuration system architecture
+- [DEVELOPER_QUICK_REFERENCE.md](DEVELOPER_QUICK_REFERENCE.md) — common dev tasks
-- [PLUGIN_CONFIG_CORE_PROPERTIES.md](PLUGIN_CONFIG_CORE_PROPERTIES.md) - Core configuration properties
+- [PLUGIN_IMPLEMENTATION_SUMMARY.md](PLUGIN_IMPLEMENTATION_SUMMARY.md) — what the plugin system actually does
 
-### 🛠️ Development & Tools
+## Contributing to LEDMatrix itself
-- [DEVELOPMENT.md](DEVELOPMENT.md) - Development environment setup
-- [EMULATOR_SETUP_GUIDE.md](EMULATOR_SETUP_GUIDE.md) - Set up development environment with emulator
-- [HOW_TO_RUN_TESTS.md](HOW_TO_RUN_TESTS.md) - Testing documentation
-- [MULTI_ROOT_WORKSPACE_SETUP.md](MULTI_ROOT_WORKSPACE_SETUP.md) - Multi-workspace development
-- [FONT_MANAGER.md](FONT_MANAGER.md) - Font management system
 
-### 🔄 Migration & Updates
+- [DEVELOPMENT.md](DEVELOPMENT.md) — environment setup
-- [MIGRATION_GUIDE.md](MIGRATION_GUIDE.md) - Breaking changes and migration instructions
+- [HOW_TO_RUN_TESTS.md](HOW_TO_RUN_TESTS.md) — running the test suite
-- [SSH_UNAVAILABLE_AFTER_INSTALL.md](SSH_UNAVAILABLE_AFTER_INSTALL.md) - SSH troubleshooting after install
+- [MULTI_ROOT_WORKSPACE_SETUP.md](MULTI_ROOT_WORKSPACE_SETUP.md) — multi-repo workspace
+- [MIGRATION_GUIDE.md](MIGRATION_GUIDE.md) — breaking changes between releases
 
-### 📚 Miscellaneous
+## Archive
-- [widget-guide.md](widget-guide.md) - Widget development guide
-- Template files:
-  - [plugin_registry_template.json](plugin_registry_template.json) - Plugin registry template
-  - [PLUGIN_WEB_UI_ACTIONS_EXAMPLE.json](PLUGIN_WEB_UI_ACTIONS_EXAMPLE.json) - Web UI actions example
 
-## 🎯 Key Resources by Use Case
+`docs/archive/` holds older guides that have been superseded or describe
+features that have been removed. They are kept for historical context and
+git history but should not be relied on.
 
-### I'm new to LEDMatrix
+## Contributing to the docs
-1. [GETTING_STARTED.md](GETTING_STARTED.md) - Start here for first-time setup
-2. [WEB_INTERFACE_GUIDE.md](WEB_INTERFACE_GUIDE.md) - Learn the control panel
-3. [PLUGIN_STORE_GUIDE.md](PLUGIN_STORE_GUIDE.md) - Install plugins
 
-### I want to create a plugin
+- Markdown only, professional tone, minimal emoji.
-1. [PLUGIN_DEVELOPMENT_GUIDE.md](PLUGIN_DEVELOPMENT_GUIDE.md) - Complete development guide
+- Prefer adding to an existing page over creating a new one. If you add a
-2. [PLUGIN_API_REFERENCE.md](PLUGIN_API_REFERENCE.md) - Available methods and APIs
+  new page, link it from this index in the section it belongs to.
-3. [ADVANCED_PLUGIN_DEVELOPMENT.md](ADVANCED_PLUGIN_DEVELOPMENT.md) - Advanced patterns
+- If a page becomes obsolete, move it to `docs/archive/` rather than
-4. [PLUGIN_CONFIGURATION_GUIDE.md](PLUGIN_CONFIGURATION_GUIDE.md) - Configuration setup
+  deleting it, so links don't rot.
-5. [PLUGIN_ARCHITECTURE_SPEC.md](PLUGIN_ARCHITECTURE_SPEC.md) - Complete specification
+- Keep examples runnable — paths, commands, and config keys here should
-
+  match what's actually in the repo.
-### I need to troubleshoot an issue
-1. [TROUBLESHOOTING.md](TROUBLESHOOTING.md) - Comprehensive troubleshooting guide
-2. [WIFI_NETWORK_SETUP.md](WIFI_NETWORK_SETUP.md) - WiFi/network issues
-3. [PLUGIN_DEPENDENCY_TROUBLESHOOTING.md](PLUGIN_DEPENDENCY_TROUBLESHOOTING.md) - Dependency issues
-
-### I want to use advanced features
-1. [ADVANCED_FEATURES.md](ADVANCED_FEATURES.md) - Vegas scroll, on-demand display, background services
-2. [FONT_MANAGER.md](FONT_MANAGER.md) - Font management
-3. [REST_API_REFERENCE.md](REST_API_REFERENCE.md) - API integration
-
-### I want to understand the architecture
-1. [PLUGIN_ARCHITECTURE_SPEC.md](PLUGIN_ARCHITECTURE_SPEC.md) - System architecture
-2. [PLUGIN_CONFIG_ARCHITECTURE.md](PLUGIN_CONFIG_ARCHITECTURE.md) - Configuration architecture
-3. [PLUGIN_IMPLEMENTATION_SUMMARY.md](PLUGIN_IMPLEMENTATION_SUMMARY.md) - Implementation details
-
-## 🔄 Recent Consolidations (January 2026)
-
-### Major Consolidation Effort
-- **Before**: 51 main documentation files
-- **After**: 16-17 well-organized files
-- **Reduction**: ~68% fewer files
-- **Archived**: 33 files (consolidated sources + ephemeral docs)
-
-### New Consolidated Guides
-- **GETTING_STARTED.md** - New first-time user guide
-- **WEB_INTERFACE_GUIDE.md** - Consolidated web interface documentation
-- **WIFI_NETWORK_SETUP.md** - Consolidated WiFi setup (5 files → 1)
-- **PLUGIN_STORE_GUIDE.md** - Consolidated plugin store guides (2 files → 1)
-- **TROUBLESHOOTING.md** - Consolidated troubleshooting (4 files → 1)
-- **ADVANCED_FEATURES.md** - Consolidated advanced features (6 files → 1)
-
-### What Was Archived
-- Ephemeral debug documents (DEBUG_WEB_ISSUE.md, BROWSER_ERRORS_EXPLANATION.md, etc.)
-- Implementation summaries (PLUGIN_CONFIG_TABS_SUMMARY.md, STARTUP_OPTIMIZATION_SUMMARY.md, etc.)
-- Consolidated source files (WIFI_SETUP.md, V3_INTERFACE_README.md, etc.)
-- Testing documentation (CAPTIVE_PORTAL_TESTING.md, etc.)
-
-All archived files are preserved in `docs/archive/` with full git history.
-
-### Benefits
-- ✅ Easier to find information (fewer files to search)
-- ✅ No duplicate content
-- ✅ Consistent writing style (professional technical)
-- ✅ Updated outdated references
-- ✅ Fixed broken internal links
-- ✅ Better organization for users vs developers
-
-## 📝 Contributing to Documentation
-
-### Documentation Standards
-- Use Markdown format with consistent headers
-- Professional technical writing style
-- Minimal emojis (1-2 per major section for navigation)
-- Include code examples where helpful
-- Provide both quick start and detailed reference sections
-- Cross-reference related documentation
-
-### Adding New Documentation
-1. Consider if content should be added to existing docs first
-2. Place in appropriate category (see sections above)
-3. Update this README.md with the new document
-4. Follow naming conventions (FEATURE_NAME.md)
-5. Use consistent formatting and voice
-
-### Consolidation Guidelines
-- **User Guides**: Consolidate by topic (WiFi, troubleshooting, etc.)
-- **Developer Guides**: Keep development vs reference vs architecture separate
-- **Debug Documents**: Archive after issues are resolved
-- **Implementation Summaries**: Archive completed implementation details
-- **Ephemeral Content**: Archive, don't keep in main docs
-
-## 🔗 Related Documentation
-
-- [Main Project README](../README.md) - Installation and basic usage
-- [Web Interface README](../web_interface/README.md) - Web interface details
-- [GitHub Issues](https://github.com/ChuckBuilds/LEDMatrix/issues) - Bug reports and feature requests
-- [GitHub Discussions](https://github.com/ChuckBuilds/LEDMatrix/discussions) - Community support
-
-## 📊 Documentation Statistics
-
-- **Main Documents**: 16-17 files (after consolidation)
-- **Archived Documents**: 33 files (in docs/archive/)
-- **Categories**: 9 major sections
-- **Primary Language**: English
-- **Format**: Markdown (.md)
-- **Last Major Update**: January 2026
-- **Coverage**: Installation, user guides, development, troubleshooting, architecture, API references
-
-### Documentation Highlights
-- ✅ Comprehensive user guides for first-time setup
-- ✅ Complete REST API documentation (71+ endpoints)
-- ✅ Complete Plugin API reference (Display Manager, Cache Manager, Plugin Manager)
-- ✅ Advanced plugin development guide with examples
-- ✅ Consolidated configuration documentation
-- ✅ Professional technical writing throughout
-- ✅ ~68% reduction in file count while maintaining coverage
-
----
-
-*This documentation index was last updated: January 2026*
-
-*For questions or suggestions about the documentation, please open an issue or start a discussion on GitHub.*

docs/REST_API_REFERENCE.md

@@ -24,6 +24,17 @@ All endpoints return JSON responses with a standard format:
 - [Cache](#cache)
 - [WiFi](#wifi)
 - [Streams](#streams)
+- [Logs](#logs)
+- [Error tracking](#error-tracking)
+- [Health](#health)
+- [Schedule (dim/power)](#schedule-dimpower)
+- [Plugin-specific endpoints](#plugin-specific-endpoints)
+- [Starlark Apps](#starlark-apps)
+
+> The API blueprint is mounted at `/api/v3` (`web_interface/app.py:144`).
+> SSE stream endpoints (`/api/v3/stream/*`) are defined directly on the
+> Flask app at `app.py:607-615`. There are about 92 routes total — see
+> `web_interface/blueprints/api_v3.py` for the canonical list.
 
 ---
 
@@ -1201,10 +1212,16 @@ Upload a custom font file.
 
 ### Delete Font
 
-**DELETE** `/api/v3/fonts/delete/<font_family>`
+**DELETE** `/api/v3/fonts/<font_family>`
 
 Delete an uploaded font.
 
+### Font Preview
+
+**GET** `/api/v3/fonts/preview?family=<font_family>&text=<sample>`
+
+Render a small preview image of a font for use in the web UI font picker.
+
 ---
 
 ## Cache
@@ -1439,6 +1456,130 @@ Get recent log entries.
 
 ---
 
+## Error tracking
+
+### Get Error Summary
+
+**GET** `/api/v3/errors/summary`
+
+Aggregated counts of recent errors across all plugins and core
+components, used by the web UI's error indicator.
+
+### Get Plugin Errors
+
+**GET** `/api/v3/errors/plugin/<plugin_id>`
+
+Recent errors for a specific plugin.
+
+### Clear Errors
+
+**POST** `/api/v3/errors/clear`
+
+Clear the in-memory error aggregator.
+
+---
+
+## Health
+
+### Health Check
+
+**GET** `/api/v3/health`
+
+Lightweight liveness check used by the WiFi monitor and external
+monitoring tools.
+
+---
+
+## Schedule (dim/power)
+
+### Get Dim Schedule
+
+**GET** `/api/v3/config/dim-schedule`
+
+Read the dim/power schedule that automatically reduces brightness or
+turns the display off at configured times.
+
+### Update Dim Schedule
+
+**POST** `/api/v3/config/dim-schedule`
+
+Update the dim schedule. Body matches the structure returned by GET.
+
+---
+
+## Plugin-specific endpoints
+
+A handful of endpoints belong to individual built-in or shipped plugins.
+
+### Calendar
+
+**GET** `/api/v3/plugins/calendar/list-calendars`
+
+List the calendars available on the authenticated Google account.
+Used by the calendar plugin's config UI.
+
+### Of The Day
+
+**POST** `/api/v3/plugins/of-the-day/json/upload`
+
+Upload a JSON data file for the Of-The-Day plugin's category data.
+
+**POST** `/api/v3/plugins/of-the-day/json/delete`
+
+Delete a previously uploaded Of-The-Day data file.
+
+### Plugin Static Assets
+
+**GET** `/api/v3/plugins/<plugin_id>/static/<path:file_path>`
+
+Serve a static asset (image, font, etc.) from a plugin's directory.
+Used internally by the web UI to render plugin previews and icons.
+
+---
+
+## Starlark Apps
+
+The Starlark plugin lets you run [Tronbyt](https://github.com/tronbyt/apps)
+Starlark apps on the matrix. These endpoints expose its UI.
+
+### Status
+
+**GET** `/api/v3/starlark/status`
+
+Returns whether the Pixlet binary is installed and the Starlark plugin
+is operational.
+
+### Install Pixlet
+
+**POST** `/api/v3/starlark/install-pixlet`
+
+Download and install the Pixlet binary on the Pi.
+
+### Apps
+
+**GET** `/api/v3/starlark/apps` — list installed Starlark apps
+**GET** `/api/v3/starlark/apps/<app_id>` — get app details
+**DELETE** `/api/v3/starlark/apps/<app_id>` — uninstall an app
+**GET** `/api/v3/starlark/apps/<app_id>/config` — get app config schema
+**PUT** `/api/v3/starlark/apps/<app_id>/config` — update app config
+**POST** `/api/v3/starlark/apps/<app_id>/render` — render app to a frame
+**POST** `/api/v3/starlark/apps/<app_id>/toggle` — enable/disable app
+
+### Repository (Tronbyt community apps)
+
+**GET** `/api/v3/starlark/repository/categories` — browse categories
+**GET** `/api/v3/starlark/repository/browse?category=<cat>` — browse apps
+**POST** `/api/v3/starlark/repository/install` — install an app from the
+community repository
+
+### Upload custom app
+
+**POST** `/api/v3/starlark/upload`
+
+Upload a custom Starlark `.star` file as a new app.
+
+---
+
 ## Error Responses
 
 All endpoints may return error responses in the following format:

docs/SSH_UNAVAILABLE_AFTER_INSTALL.md

@@ -54,7 +54,7 @@ If the script reboots the Pi (which it recommends), network services may restart
    # Connect to your WiFi network (replace with your SSID and password)
    sudo nmcli device wifi connect "YourWiFiSSID" password "YourPassword"
    
-   # Or use the web interface at http://192.168.4.1:5001
+   # Or use the web interface at http://192.168.4.1:5000
    # Navigate to WiFi tab and connect to your network
    ```
 
@@ -177,9 +177,9 @@ sudo systemctl restart NetworkManager
 
 Even if SSH is unavailable, you can access the web interface:
 
-1. **Via AP Mode**: Connect to **LEDMatrix-Setup** network and visit `http://192.168.4.1:5001`
+1. **Via AP Mode**: Connect to **LEDMatrix-Setup** network and visit `http://192.168.4.1:5000`
-2. **Via WiFi**: If WiFi is connected, visit `http://<pi-ip-address>:5001`
+2. **Via WiFi**: If WiFi is connected, visit `http://<pi-ip-address>:5000`
-3. **Via Ethernet**: Visit `http://<pi-ip-address>:5001`
+3. **Via Ethernet**: Visit `http://<pi-ip-address>:5000`
 
 The web interface allows you to:
 - Configure WiFi connections

docs/STARLARK_APPS_GUIDE.md

@@ -91,7 +91,7 @@ Pixlet is the rendering engine that executes Starlark apps. The plugin will atte
 
 #### Auto-Install via Web UI
 
-Navigate to: **Plugins → Starlark Apps → Status → Install Pixlet**
+Navigate to: **Plugin Manager → Starlark Apps tab (in the second nav row) → Status → Install Pixlet**
 
 This runs the bundled installation script which downloads the appropriate binary for your platform.
 
@@ -110,10 +110,10 @@ Verify installation:
 
 ### 2. Enable the Starlark Apps Plugin
 
-1. Open the web UI
+1. Open the web UI (`http://your-pi-ip:5000`)
-2. Navigate to **Plugins**
+2. Open the **Plugin Manager** tab
-3. Find **Starlark Apps** in the installed plugins list
+3. Find **Starlark Apps** in the **Installed Plugins** list
-4. Enable the plugin
+4. Enable the plugin (it then gets its own tab in the second nav row)
 5. Configure settings:
    - **Magnify**: Auto-calculated based on your display size (or set manually)
    - **Render Interval**: How often apps re-render (default: 300s)
@@ -122,7 +122,7 @@ Verify installation:
 
 ### 3. Browse and Install Apps
 
-1. Navigate to **Plugins → Starlark Apps → App Store**
+1. Navigate to **Plugin Manager → Starlark Apps tab (in the second nav row) → App Store**
 2. Browse available apps (974+ options)
 3. Filter by category: Weather, Sports, Finance, Games, Clocks, etc.
 4. Click **Install** on desired apps
@@ -307,7 +307,7 @@ Many apps require API keys for external services:
 **Symptom**: "Pixlet binary not found" error
 
 **Solutions**:
-1. Run auto-installer: **Plugins → Starlark Apps → Install Pixlet**
+1. Run auto-installer: **Plugin Manager → Starlark Apps tab (in the second nav row) → Install Pixlet**
 2. Manual install: `bash scripts/download_pixlet.sh`
 3. Check permissions: `chmod +x bin/pixlet/pixlet-*`
 4. Verify architecture: `uname -m` matches binary name
@@ -338,7 +338,7 @@ Many apps require API keys for external services:
 **Symptom**: Content appears stretched, squished, or cropped
 
 **Solutions**:
-1. Check magnify setting: **Plugins → Starlark Apps → Config**
+1. Check magnify setting: **Plugin Manager → Starlark Apps tab (in the second nav row) → Config**
 2. Try `center_small_output=true` to preserve aspect ratio
 3. Adjust `magnify` manually (1-8) for your display size
 4. Some apps assume 64×32 - may not scale perfectly to all sizes
@@ -349,7 +349,7 @@ Many apps require API keys for external services:
 
 **Solutions**:
 1. Check render interval: **App Config → Render Interval** (300s default)
-2. Force re-render: **Plugins → Starlark Apps → {App} → Render Now**
+2. Force re-render: **Plugin Manager → Starlark Apps tab (in the second nav row) → {App} → Render Now**
 3. Clear cache: Restart LEDMatrix service
 4. API rate limits: Some services throttle requests
 5. Check app logs for API errors

docs/TROUBLESHOOTING.md

@@ -47,13 +47,15 @@ bash scripts/diagnose_web_interface.sh
 # WiFi setup verification
 ./scripts/verify_wifi_setup.sh
 
-# Weather plugin troubleshooting
-./troubleshoot_weather.sh
-
 # Captive portal troubleshooting
 ./scripts/troubleshoot_captive_portal.sh
 ```
 
+> Weather is provided by the `ledmatrix-weather` plugin (installed via the
+> Plugin Store). To troubleshoot weather, check that plugin's tab in the
+> web UI for its API key and recent error messages, then watch the
+> **Logs** tab.
+
 ### 4. Check Configuration
 
 ```bash
@@ -85,7 +87,7 @@ python3 web_interface/start.py
 #### Service Not Running/Starting
 
 **Symptoms:**
-- Cannot access web interface at http://your-pi-ip:5050
+- Cannot access web interface at http://your-pi-ip:5000
 - `systemctl status ledmatrix-web` shows `inactive (dead)`
 
 **Solutions:**
@@ -157,13 +159,13 @@ sudo systemctl restart ledmatrix-web
 
 **Symptoms:**
 - Error: `Address already in use`
-- Service fails to bind to port 5050
+- Service fails to bind to port 5000
 
 **Solutions:**
 
 1. **Check what's using the port:**
    ```bash
-   sudo lsof -i :5050
+   sudo lsof -i :5000
    ```
 
 2. **Kill the conflicting process:**
@@ -265,7 +267,7 @@ sudo systemctl cat ledmatrix-web | grep User
 6. **Manually enable AP mode:**
    ```bash
    # Via API
-   curl -X POST http://localhost:5050/api/wifi/ap/enable
+   curl -X POST http://localhost:5000/api/wifi/ap/enable
 
    # Via Python
    python3 -c "
@@ -291,9 +293,8 @@ sudo systemctl cat ledmatrix-web | grep User
    ```
 
 2. **Use correct IP address and port:**
-   - Correct: `http://192.168.4.1:5050`
+   - Correct: `http://192.168.4.1:5000`
-   - NOT: `http://192.168.4.1` (port 80)
+   - NOT: `http://192.168.4.1` (port 80 — nothing listens there)
-   - NOT: `http://192.168.4.1:5000`
 
 3. **Check wlan0 has correct IP:**
    ```bash
@@ -309,7 +310,7 @@ sudo systemctl cat ledmatrix-web | grep User
 
 5. **Test from the Pi itself:**
    ```bash
-   curl http://192.168.4.1:5050
+   curl http://192.168.4.1:5000
    # Should return HTML
    ```
 
@@ -340,11 +341,11 @@ sudo systemctl cat ledmatrix-web | grep User
 
 4. **Manual captive portal testing:**
    - Try these URLs manually:
-     - `http://192.168.4.1:5050`
+     - `http://192.168.4.1:5000`
      - `http://captive.apple.com`
      - `http://connectivitycheck.gstatic.com/generate_204`
 
-#### Firewall Blocking Port 5050
+#### Firewall Blocking Port 5000
 
 **Symptoms:**
 - Services running but cannot connect
@@ -357,9 +358,9 @@ sudo systemctl cat ledmatrix-web | grep User
    sudo ufw status
    ```
 
-2. **Allow port 5050:**
+2. **Allow port 5000:**
    ```bash
-   sudo ufw allow 5050/tcp
+   sudo ufw allow 5000/tcp
    ```
 
 3. **Check iptables:**
@@ -372,7 +373,7 @@ sudo systemctl cat ledmatrix-web | grep User
    sudo ufw disable
    # Test if it works, then re-enable and add rule
    sudo ufw enable
-   sudo ufw allow 5050/tcp
+   sudo ufw allow 5000/tcp
    ```
 
 ---
@@ -403,9 +404,9 @@ sudo systemctl cat ledmatrix-web | grep User
    ```
 
 3. **Verify in web interface:**
-   - Navigate to Plugin Management tab
+   - Open the **Plugin Manager** tab
-   - Toggle the switch to enable
+   - Toggle the plugin switch to enable
-   - Restart display
+   - From **Overview**, click **Restart Display Service**
 
 #### Plugin Not Loading
 
@@ -690,12 +691,12 @@ nslookup api.openweathermap.org
 dig api.openweathermap.org
 
 # Test HTTP endpoint
-curl -I http://your-pi-ip:5050
+curl -I http://your-pi-ip:5000
-curl http://192.168.4.1:5050
+curl http://192.168.4.1:5000
 
 # Check listening ports
-sudo lsof -i :5050
+sudo lsof -i :5000
-sudo netstat -tuln | grep 5050
+sudo netstat -tuln | grep 5000
 
 # Check network interfaces
 ip addr show
@@ -808,7 +809,7 @@ echo ""
 
 echo "4. Network Status:"
 ip addr show | grep -E "(wlan|eth|inet )"
-curl -s http://localhost:5050 > /dev/null && echo "Web interface: OK" || echo "Web interface: FAILED"
+curl -s http://localhost:5000 > /dev/null && echo "Web interface: OK" || echo "Web interface: FAILED"
 echo ""
 
 echo "5. File Structure:"
@@ -837,22 +838,22 @@ A properly functioning system should show:
    ```
 
 2. **Web Interface Accessible:**
-   - Navigate to http://your-pi-ip:5050
+   - Navigate to http://your-pi-ip:5000
    - Page loads successfully
    - Display preview visible
 
 3. **Logs Show Normal Operation:**
    ```
-   INFO: Web interface started on port 5050
+   INFO: Web interface started on port 5000
    INFO: Loaded X plugins
    INFO: Display rotation active
    ```
 
 4. **Process Listening on Port:**
    ```bash
-   $ sudo lsof -i :5050
+   $ sudo lsof -i :5000
    COMMAND   PID USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
-   python3  1234 ledpi  3u   IPv4  12345      0t0  TCP *:5050 (LISTEN)
+   python3  1234 ledpi  3u   IPv4  12345      0t0  TCP *:5000 (LISTEN)
    ```
 
 5. **Plugins Loading:**

docs/WEB_INTERFACE_GUIDE.md

@@ -17,7 +17,7 @@ The LEDMatrix web interface provides a complete control panel for managing your
 
 2. Open a web browser and navigate to:
    ```
-   http://your-pi-ip:5050
+   http://your-pi-ip:5000
    ```
 
 3. The interface will load with the Overview tab displaying system stats and a live display preview.
@@ -31,17 +31,28 @@ sudo systemctl status ledmatrix-web
 
 ## Navigation
 
-The interface uses a tab-based layout for easy navigation between features:
+The interface uses a two-row tab layout. The system tabs are always
+present:
 
-- **Overview** - System stats, quick actions, and display preview
+- **Overview** — System stats, quick actions, live display preview
-- **General Settings** - Timezone, location, and autostart configuration
+- **General** — Timezone, location, plugin-system settings
-- **Display Settings** - Hardware configuration, brightness, and display options
+- **WiFi** — Network selection and AP-mode setup
-- **Durations** - Display rotation timing configuration
+- **Schedule** — Power and dim schedules
-- **Sports Configuration** - Per-league settings and on-demand modes
+- **Display** — Matrix hardware configuration (rows, cols, hardware
-- **Plugin Management** - Install, configure, enable/disable plugins
+  mapping, GPIO slowdown, brightness, PWM)
-- **Plugin Store** - Discover and install plugins
+- **Config Editor** — Raw `config.json` editor with validation
-- **Font Management** - Upload fonts, manage overrides, and preview
+- **Fonts** — Upload and manage fonts
-- **Logs** - Real-time log streaming with filtering and search
+- **Logs** — Real-time log streaming
+- **Cache** — Cached data inspection and cleanup
+- **Operation History** — Recent service operations
+
+A second nav row holds plugin tabs:
+
+- **Plugin Manager** — browse the **Plugin Store** section, install
+  plugins from GitHub, enable/disable installed plugins
+- **<plugin-id>** — one tab per installed plugin for its own
+  configuration form (auto-generated from the plugin's
+  `config_schema.json`)
 
 ---
 
@@ -57,131 +68,84 @@ The Overview tab provides at-a-glance information and quick actions:
 - Disk usage
 - Network status
 
-**Quick Actions:**
+**Quick Actions** (verified in `web_interface/templates/v3/partials/overview.html`):
-- **Start/Stop Display** - Control the display service
+- **Start Display** / **Stop Display** — control the display service
-- **Restart Display** - Restart to apply configuration changes
+- **Restart Display Service** — apply configuration changes
-- **Test Display** - Run a quick test pattern
+- **Restart Web Service** — restart the web UI itself
+- **Update Code** — `git pull` the latest version (stashes local changes)
+- **Reboot System** / **Shutdown System** — confirm-gated power controls
 
 **Display Preview:**
 - Live preview of what's currently shown on the LED matrix
 - Updates in real-time
 - Useful for remote monitoring
 
-### General Settings Tab
+### General Tab
 
 Configure basic system settings:
 
-**Timezone:**
+- **Timezone** — used by all time/date displays
-- Set your local timezone for accurate time display
+- **Location** — city/state/country for weather and other location-aware
-- Auto-detects common timezones
+  plugins
+- **Plugin System Settings** — including the `plugins_directory` (default
+  `plugin-repos/`) used by the plugin loader
+- **Autostart** options for the display service
 
-**Location:**
+Click **Save** to write changes to `config/config.json`. Most changes
-- Set latitude/longitude for location-based features
+require a display service restart from **Overview**.
-- Used by weather plugins and sunrise/sunset calculations
 
-**Autostart:**
+### Display Tab
-- Enable/disable display autostart on boot
-- Configure systemd service settings
-
-**Save Changes:**
-- Click "Save Configuration" to apply changes
-- Restart the display for changes to take effect
-
-### Display Settings Tab
 
 Configure your LED matrix hardware:
 
-**Matrix Configuration:**
+**Matrix configuration:**
-- Rows: Number of LED rows (typically 32 or 64)
+- `rows` — LED rows (typically 32 or 64)
-- Columns: Number of LED columns (typically 64, 128, or 256)
+- `cols` — LED columns (typically 64 or 96)
-- Chain Length: Number of chained panels
+- `chain_length` — number of horizontally chained panels
-- Parallel Chains: Number of parallel chains
+- `parallel` — number of parallel chains
+- `hardware_mapping` — `adafruit-hat-pwm` (with PWM jumper mod),
+  `adafruit-hat` (without), `regular`, or `regular-pi1`
+- `gpio_slowdown` — must match your Pi model (3 for Pi 3, 4 for Pi 4, etc.)
+- `brightness` — 0–100%
+- `pwm_bits`, `pwm_lsb_nanoseconds`, `pwm_dither_bits` — PWM tuning
+- Dynamic Duration — global cap for plugins that extend their display
+  time based on content
 
-**Display Options:**
+Changes require **Restart Display Service** from the Overview tab.
-- Brightness: Adjust LED brightness (0-100%)
-- Hardware Mapping: GPIO pin mapping
-- Slowdown GPIO: Timing adjustment for compatibility
 
-**Save and Apply:**
+### Plugin Manager Tab
-- Changes require a display restart
-- Use "Test Display" to verify configuration
 
-### Durations Tab
+The Plugin Manager has three main sections:
 
-Control how long each plugin displays:
+1. **Installed Plugins** — toggle installed plugins on/off, see version
+   info. Each installed plugin also gets its own tab in the second nav
+   row for its configuration form.
+2. **Plugin Store** — browse plugins from the official
+   `ledmatrix-plugins` registry. Click **Install** to fetch and
+   install. Filter by category and search.
+3. **Install from GitHub** — install third-party plugins by pasting a
+   GitHub repository URL. **Install Single Plugin** for a single-plugin
+   repo, **Load Registry** for a multi-plugin monorepo.
 
-**Global Settings:**
+When a plugin is installed and enabled:
-- Default Duration: Default time for plugins without specific durations
+- A new tab for that plugin appears in the second nav row
-- Transition Speed: Speed of transitions between plugins
+- Open the tab to edit its config (auto-generated form from
+  `config_schema.json`)
+- The tab also exposes **Run On-Demand** / **Stop On-Demand** controls
+  to render that plugin immediately, even if it's disabled in the
+  rotation
 
-**Per-Plugin Durations:**
+### Per-plugin Configuration Tabs
-- Set custom display duration for each plugin
-- Override global default for specific plugins
-- Measured in seconds
 
-### Sports Configuration Tab
+Each installed plugin has its own tab in the second nav row. The form
+fields are auto-generated from the plugin's `config_schema.json`, so
+options always match the plugin's current code.
 
-Configure sports-specific settings:
+To temporarily run a plugin outside the normal rotation, use the
+**Run On-Demand** / **Stop On-Demand** buttons inside its tab. This
+works even when the plugin is disabled.
 
-**Per-League Settings:**
+### Fonts Tab
-- Favorite teams
-- Show favorite teams only
-- Include scores/standings
-- Refresh intervals
-
-**On-Demand Modes:**
-- Live Priority: Show live games immediately
-- Game Day Mode: Enhanced display during game days
-- Score Alerts: Highlight score changes
-
-### Plugin Management Tab
-
-Manage installed plugins:
-
-**Plugin List:**
-- View all installed plugins
-- See plugin status (enabled/disabled)
-- Check last update time
-
-**Actions:**
-- **Enable/Disable**: Toggle plugin using the switch
-- **Configure**: Click ⚙️ to edit plugin settings
-- **Update**: Update plugin to latest version
-- **Uninstall**: Remove plugin completely
-
-**Configuration:**
-- Edit plugin-specific settings
-- Changes are saved to `config/config.json`
-- Restart display to apply changes
-
-**Note:** See [PLUGIN_STORE_GUIDE.md](PLUGIN_STORE_GUIDE.md) for information on installing plugins.
-
-### Plugin Store Tab
-
-Discover and install new plugins:
-
-**Browse Plugins:**
-- View available plugins in the official store
-- Filter by category (sports, weather, time, finance, etc.)
-- Search by name, description, or author
-
-**Install Plugins:**
-- Click "Install" next to any plugin
-- Wait for installation to complete
-- Restart the display to activate
-
-**Install from URL:**
-- Install plugins from any GitHub repository
-- Paste the repository URL in the "Install from URL" section
-- Review the warning about unverified plugins
-- Click "Install from URL"
-
-**Plugin Information:**
-- View plugin descriptions, ratings, and screenshots
-- Check compatibility and requirements
-- Read user reviews (when available)
-
-### Font Management Tab
 
 Manage fonts for your display:
 
@@ -229,37 +193,37 @@ View real-time system logs:
 
 ### Changing Display Brightness
 
-1. Navigate to the **Display Settings** tab
+1. Open the **Display** tab
-2. Adjust the **Brightness** slider (0-100%)
+2. Adjust the **Brightness** slider (0–100)
-3. Click **Save Configuration**
+3. Click **Save**
-4. Restart the display for changes to take effect
+4. Click **Restart Display Service** on the **Overview** tab
 
 ### Installing a New Plugin
 
-1. Navigate to the **Plugin Store** tab
+1. Open the **Plugin Manager** tab
-2. Browse or search for the desired plugin
+2. Scroll to the **Plugin Store** section and browse or search
 3. Click **Install** next to the plugin
-4. Wait for installation to complete
+4. Toggle the plugin on in **Installed Plugins**
-5. Restart the display
+5. Click **Restart Display Service** on **Overview**
-6. Enable the plugin in the **Plugin Management** tab
 
 ### Configuring a Plugin
 
-1. Navigate to the **Plugin Management** tab
+1. Open the plugin's tab in the second nav row (each installed plugin
-2. Find the plugin you want to configure
+   has its own tab)
-3. Click the ⚙️ **Configure** button
+2. Edit the auto-generated form
-4. Edit the settings in the form
+3. Click **Save**
-5. Click **Save**
+4. Restart the display service from **Overview**
-6. Restart the display to apply changes
 
 ### Setting Favorite Sports Teams
 
-1. Navigate to the **Sports Configuration** tab
+Sports favorites live in the relevant plugin's tab — there is no
-2. Select the league (NHL, NBA, MLB, NFL)
+separate "Sports Configuration" tab. For example:
-3. Choose your favorite teams from the dropdown
+
-4. Enable "Show favorite teams only" if desired
+1. Install **Hockey Scoreboard** from **Plugin Manager → Plugin Store**
-5. Click **Save Configuration**
+2. Open the **Hockey Scoreboard** tab in the second nav row
-6. Restart the display
+3. Add your favorites under `favorite_teams.<league>` (e.g.
+   `favorite_teams.nhl`)
+4. Click **Save** and restart the display service
 
 ### Troubleshooting Display Issues
 
@@ -296,12 +260,10 @@ The interface is fully responsive and works on mobile devices:
 - Touch-friendly interface
 - Responsive layout adapts to screen size
 - All features available on mobile
-- Swipe navigation between tabs
 
 **Tips for Mobile:**
 - Use landscape mode for better visibility
 - Pinch to zoom on display preview
-- Long-press for context menus
 
 ---
 
@@ -322,15 +284,21 @@ The web interface is built on a REST API that you can access programmatically:
 
 **API Base URL:**
 ```
-http://your-pi-ip:5050/api
+http://your-pi-ip:5000/api/v3
 ```
 
+The API blueprint mounts at `/api/v3` (see
+`web_interface/app.py:144`). All endpoints below are relative to that
+base.
+
 **Common Endpoints:**
-- `GET /api/config/main` - Get configuration
+- `GET /api/v3/config/main` — Get main configuration
-- `POST /api/config/main` - Update configuration
+- `POST /api/v3/config/main` — Update main configuration
-- `GET /api/system/status` - Get system status
+- `GET /api/v3/system/status` — Get system status
-- `POST /api/system/action` - Control display (start/stop/restart)
+- `POST /api/v3/system/action` — Control display (start/stop/restart, reboot, etc.)
-- `GET /api/plugins/installed` - List installed plugins
+- `GET /api/v3/plugins/installed` — List installed plugins
+- `POST /api/v3/plugins/install` — Install a plugin from the store
+- `POST /api/v3/plugins/install-from-url` — Install a plugin from a GitHub URL
 
 **Note:** See [REST_API_REFERENCE.md](REST_API_REFERENCE.md) for complete API documentation.
 
@@ -353,7 +321,7 @@ http://your-pi-ip:5050/api
    sudo systemctl start ledmatrix-web
    ```
 
-3. Check that port 5050 is not blocked by firewall
+3. Check that port 5000 is not blocked by firewall
 4. Verify the Pi's IP address is correct
 
 ### Changes Not Applying
@@ -429,7 +397,12 @@ The web interface uses modern web technologies:
 - Web service: `sudo journalctl -u ledmatrix-web -f`
 
 **Plugins:**
-- Plugin directory: `/plugins/`
+- Plugin directory: configurable via
+  `plugin_system.plugins_directory` in `config.json` (default
+  `plugin-repos/`). Main plugin discovery only scans this directory;
+  the Plugin Store install flow and the schema loader additionally
+  probe `plugins/` so dev symlinks created by
+  `scripts/dev/dev_plugin_setup.sh` keep working.
 - Plugin config: `/config/config.json` (per-plugin sections)
 
 ---

docs/WIFI_NETWORK_SETUP.md

@@ -21,13 +21,15 @@ The LEDMatrix WiFi system provides automatic network configuration with intellig
 
 **If not connected to WiFi:**
 1. Wait 90 seconds after boot (AP mode activation grace period)
-2. Connect to WiFi network: **LEDMatrix-Setup** (open network)
+2. Connect to WiFi network **LEDMatrix-Setup** (default password
-3. Open browser to: `http://192.168.4.1:5050`
+   `ledmatrix123` — change it in `config/wifi_config.json` if you want
-4. Navigate to the WiFi tab
+   an open network or a different password)
+3. Open browser to: `http://192.168.4.1:5000`
+4. Open the **WiFi** tab
 5. Scan, select your network, and connect
 
 **If already connected:**
-1. Open browser to: `http://your-pi-ip:5050`
+1. Open browser to: `http://your-pi-ip:5000`
 2. Navigate to the WiFi tab
 3. Configure as needed
 
@@ -76,7 +78,7 @@ WiFi settings are stored in `config/wifi_config.json`:
 ```json
 {
   "ap_ssid": "LEDMatrix-Setup",
-  "ap_password": "",
+  "ap_password": "ledmatrix123",
   "ap_channel": 7,
   "auto_enable_ap_mode": true,
   "saved_networks": [
@@ -93,10 +95,10 @@ WiFi settings are stored in `config/wifi_config.json`:
 
 | Setting | Default | Description |
 |---------|---------|-------------|
-| `ap_ssid` | `LEDMatrix-Setup` | Network name for AP mode |
+| `ap_ssid` | `LEDMatrix-Setup` | Network name broadcast in AP mode |
-| `ap_password` | `` (empty) | AP password (empty = open network) |
+| `ap_password` | `ledmatrix123` | AP password. Set to `""` to make the network open (no password). |
-| `ap_channel` | `7` | WiFi channel (use 1, 6, or 11 for non-overlapping) |
+| `ap_channel` | `7` | WiFi channel (1, 6, or 11 are non-overlapping) |
-| `auto_enable_ap_mode` | `true` | Automatically enable AP mode when disconnected |
+| `auto_enable_ap_mode` | `true` | Automatically enable AP mode when both WiFi and Ethernet are disconnected |
 | `saved_networks` | `[]` | Array of saved WiFi credentials |
 
 ### Auto-Enable AP Mode Behavior
@@ -130,10 +132,10 @@ WiFi settings are stored in `config/wifi_config.json`:
 **Via API:**
 ```bash
 # Scan for networks
-curl "http://your-pi-ip:5050/api/wifi/scan"
+curl "http://your-pi-ip:5000/api/v3/wifi/scan"
 
 # Connect to network
-curl -X POST http://your-pi-ip:5050/api/wifi/connect \
+curl -X POST http://your-pi-ip:5000/api/v3/wifi/connect \
   -H "Content-Type: application/json" \
   -d '{"ssid": "YourNetwork", "password": "your-password"}'
 ```
@@ -147,10 +149,10 @@ curl -X POST http://your-pi-ip:5050/api/wifi/connect \
 **Via API:**
 ```bash
 # Enable AP mode
-curl -X POST http://your-pi-ip:5050/api/wifi/ap/enable
+curl -X POST http://your-pi-ip:5000/api/v3/wifi/ap/enable
 
 # Disable AP mode
-curl -X POST http://your-pi-ip:5050/api/wifi/ap/disable
+curl -X POST http://your-pi-ip:5000/api/v3/wifi/ap/disable
 ```
 
 **Note:** Manual enable still requires both WiFi and Ethernet to be disconnected.
@@ -211,16 +213,17 @@ The system checks connections in this order:
 
 ### AP Mode Settings
 
-- **SSID**: LEDMatrix-Setup (configurable)
+- **SSID**: `LEDMatrix-Setup` (configurable via `ap_ssid`)
-- **Network**: Open (no password by default)
+- **Network**: WPA2, default password `ledmatrix123` (configurable via
+  `ap_password` — set to `""` for an open network)
 - **IP Address**: 192.168.4.1
-- **DHCP Range**: 192.168.4.2 - 192.168.4.20
+- **DHCP Range**: 192.168.4.2 – 192.168.4.20
-- **Channel**: 7 (configurable)
+- **Channel**: 7 (configurable via `ap_channel`)
 
 ### Accessing Services in AP Mode
 
 When AP mode is active:
-- Web Interface: `http://192.168.4.1:5050`
+- Web Interface: `http://192.168.4.1:5000`
 - SSH: `ssh ledpi@192.168.4.1`
 - Captive portal may automatically redirect browsers
 
@@ -237,7 +240,9 @@ When AP mode is active:
 }
 ```
 
-**Note:** The default is an open network for easy initial setup. For deployments in public areas, consider adding a password.
+**Note:** The default password is `ledmatrix123` for easy initial
+setup. Change it for any deployment in a public area, or set
+`ap_password` to `""` if you specifically want an open network.
 
 **2. Use Non-Overlapping WiFi Channels:**
 - Channels 1, 6, 11 are non-overlapping (2.4GHz)
@@ -398,7 +403,7 @@ Interface should exist
 
 **Check 4: Try Manual Enable**
 - Use web interface: WiFi tab → Enable AP Mode
-- Or via API: `curl -X POST http://localhost:5050/api/wifi/ap/enable`
+- Or via API: `curl -X POST http://localhost:5000/api/v3/wifi/ap/enable`
 
 ### Cannot Connect to WiFi Network
 
@@ -551,36 +556,36 @@ The WiFi setup feature exposes the following API endpoints:
 
 | Method | Endpoint | Description |
 |--------|----------|-------------|
-| GET | `/api/wifi/status` | Get current WiFi connection status |
+| GET | `/api/v3/wifi/status` | Get current WiFi connection status |
-| GET | `/api/wifi/scan` | Scan for available WiFi networks |
+| GET | `/api/v3/wifi/scan` | Scan for available WiFi networks |
-| POST | `/api/wifi/connect` | Connect to a WiFi network |
+| POST | `/api/v3/wifi/connect` | Connect to a WiFi network |
-| POST | `/api/wifi/ap/enable` | Enable access point mode |
+| POST | `/api/v3/wifi/ap/enable` | Enable access point mode |
-| POST | `/api/wifi/ap/disable` | Disable access point mode |
+| POST | `/api/v3/wifi/ap/disable` | Disable access point mode |
-| GET | `/api/wifi/ap/auto-enable` | Get auto-enable setting |
+| GET | `/api/v3/wifi/ap/auto-enable` | Get auto-enable setting |
-| POST | `/api/wifi/ap/auto-enable` | Set auto-enable setting |
+| POST | `/api/v3/wifi/ap/auto-enable` | Set auto-enable setting |
 
 ### Example Usage
 
 ```bash
 # Get WiFi status
-curl "http://your-pi-ip:5050/api/wifi/status"
+curl "http://your-pi-ip:5000/api/v3/wifi/status"
 
 # Scan for networks
-curl "http://your-pi-ip:5050/api/wifi/scan"
+curl "http://your-pi-ip:5000/api/v3/wifi/scan"
 
 # Connect to network
-curl -X POST http://your-pi-ip:5050/api/wifi/connect \
+curl -X POST http://your-pi-ip:5000/api/v3/wifi/connect \
   -H "Content-Type: application/json" \
   -d '{"ssid": "MyNetwork", "password": "mypassword"}'
 
 # Enable AP mode
-curl -X POST http://your-pi-ip:5050/api/wifi/ap/enable
+curl -X POST http://your-pi-ip:5000/api/v3/wifi/ap/enable
 
 # Check auto-enable setting
-curl "http://your-pi-ip:5050/api/wifi/ap/auto-enable"
+curl "http://your-pi-ip:5000/api/v3/wifi/ap/auto-enable"
 
 # Set auto-enable
-curl -X POST http://your-pi-ip:5050/api/wifi/ap/auto-enable \
+curl -X POST http://your-pi-ip:5000/api/v3/wifi/ap/auto-enable \
   -H "Content-Type: application/json" \
   -d '{"auto_enable_ap_mode": true}'
 ```

first_time_install.sh

@@ -259,8 +259,6 @@ else
 fi
 
 echo ""
-CLEAR='
-'
 CURRENT_STEP="Install system dependencies"
 echo "Step 1: Installing system dependencies..."
 echo "----------------------------------------"
@@ -273,7 +271,7 @@ apt_update
 
 # Install required system packages
 echo "Installing Python packages and dependencies..."
-apt_install python3-pip python3-venv python3-dev python3-pil python3-pil.imagetk build-essential python3-setuptools python3-wheel cython3 scons cmake ninja-build
+apt_install python3-pip python3-venv python-dev-is-python3 python3-pil python3-pil.imagetk build-essential python3-setuptools python3-wheel cmake ninja-build
 
 # Install additional system dependencies that might be needed
 echo "Installing additional system dependencies..."
@@ -599,8 +597,12 @@ if [ ! -f "$PROJECT_ROOT_DIR/config/config_secrets.json" ]; then
         echo "⚠ Template config/config_secrets.template.json not found; creating a minimal secrets file"
         cat > "$PROJECT_ROOT_DIR/config/config_secrets.json" <<'EOF'
 {
-  "weather": {
+    "youtube": {
-    "api_key": "YOUR_OPENWEATHERMAP_API_KEY"
+        "api_key": "YOUR_YOUTUBE_API_KEY",
+        "channel_id": "YOUR_YOUTUBE_CHANNEL_ID"
+    },
+    "github": {
+        "api_token": "YOUR_GITHUB_PERSONAL_ACCESS_TOKEN"
     }
 }
 EOF
@@ -667,8 +669,6 @@ if [ -f "$PROJECT_ROOT_DIR/requirements.txt" ]; then
         echo "[$PACKAGE_NUM/$TOTAL_PACKAGES] Installing: $line"
         
         # Check if package is already installed (basic check - may not catch all cases)
-        PACKAGE_NAME=$(echo "$line" | sed -E 's/[<>=!].*$//' | sed 's/^[[:space:]]*//;s/[[:space:]]*$//')
-        
         # Try installing with verbose output and timeout (if available)
         # Use --no-cache-dir to avoid cache issues, --verbose for diagnostics
         INSTALL_OUTPUT=$(mktemp)
@@ -821,20 +821,13 @@ else
         fi
         
         pushd "$PROJECT_ROOT_DIR/rpi-rgb-led-matrix-master" >/dev/null
-        echo "Building rpi-rgb-led-matrix Python bindings..."
+        echo "Installing rpi-rgb-led-matrix Python package (scikit-build-core + cmake)..."
-        # Build the library first, then Python bindings
+        echo "  Build deps required: python-dev-is-python3 cmake"
-        # The build-python target depends on the library being built
+        echo "  This compiles C++ — may take 2-5 minutes on Pi 4/5..."
-        if ! make build-python; then
-            echo "✗ Failed to build rpi-rgb-led-matrix Python bindings"
-            echo "  Make sure you have the required build tools installed:"
-            echo "  sudo apt install -y build-essential python3-dev cython3 scons"
-            popd >/dev/null
-            exit 1
-        fi
-        cd bindings/python
-        echo "Installing rpi-rgb-led-matrix Python package via pip..."
         if ! python3 -m pip install --break-system-packages .; then
             echo "✗ Failed to install rpi-rgb-led-matrix Python package"
+            echo "  Ensure build tools are installed:"
+            echo "  sudo apt install -y python-dev-is-python3 cmake build-essential"
             popd >/dev/null
             exit 1
         fi
@@ -1082,6 +1075,7 @@ SYSTEMCTL_PATH=$(which systemctl)
 REBOOT_PATH=$(which reboot)
 POWEROFF_PATH=$(which poweroff)
 BASH_PATH=$(which bash)
+JOURNALCTL_PATH=$(which journalctl 2>/dev/null || true)
 
 # Create sudoers content
 cat > /tmp/ledmatrix_web_sudoers << EOF
@@ -1097,10 +1091,23 @@ $ACTUAL_USER ALL=(ALL) NOPASSWD: $SYSTEMCTL_PATH restart ledmatrix.service
 $ACTUAL_USER ALL=(ALL) NOPASSWD: $SYSTEMCTL_PATH enable ledmatrix.service
 $ACTUAL_USER ALL=(ALL) NOPASSWD: $SYSTEMCTL_PATH disable ledmatrix.service
 $ACTUAL_USER ALL=(ALL) NOPASSWD: $SYSTEMCTL_PATH status ledmatrix.service
+$ACTUAL_USER ALL=(ALL) NOPASSWD: $SYSTEMCTL_PATH is-active ledmatrix
+$ACTUAL_USER ALL=(ALL) NOPASSWD: $SYSTEMCTL_PATH is-active ledmatrix.service
+$ACTUAL_USER ALL=(ALL) NOPASSWD: $SYSTEMCTL_PATH start ledmatrix-web.service
+$ACTUAL_USER ALL=(ALL) NOPASSWD: $SYSTEMCTL_PATH stop ledmatrix-web.service
+$ACTUAL_USER ALL=(ALL) NOPASSWD: $SYSTEMCTL_PATH restart ledmatrix-web.service
 $ACTUAL_USER ALL=(ALL) NOPASSWD: $PYTHON_PATH $PROJECT_ROOT_DIR/display_controller.py
 $ACTUAL_USER ALL=(ALL) NOPASSWD: $BASH_PATH $PROJECT_ROOT_DIR/start_display.sh
 $ACTUAL_USER ALL=(ALL) NOPASSWD: $BASH_PATH $PROJECT_ROOT_DIR/stop_display.sh
+$ACTUAL_USER ALL=(ALL) NOPASSWD: $BASH_PATH $PROJECT_ROOT_DIR/scripts/fix_perms/safe_plugin_rm.sh *
 EOF
+if [ -n "$JOURNALCTL_PATH" ]; then
+    cat >> /tmp/ledmatrix_web_sudoers << EOF
+$ACTUAL_USER ALL=(ALL) NOPASSWD: $JOURNALCTL_PATH -u ledmatrix.service *
+$ACTUAL_USER ALL=(ALL) NOPASSWD: $JOURNALCTL_PATH -u ledmatrix *
+$ACTUAL_USER ALL=(ALL) NOPASSWD: $JOURNALCTL_PATH -t ledmatrix *
+EOF
+fi
 
 if [ -f "$SUDOERS_FILE" ] && cmp -s /tmp/ledmatrix_web_sudoers "$SUDOERS_FILE"; then
     echo "Sudoers configuration already up to date"
@@ -1461,7 +1468,7 @@ echo "WiFi Connection Status:"
 if command -v nmcli >/dev/null 2>&1; then
     WIFI_STATUS=$(nmcli -t -f DEVICE,TYPE,STATE device status 2>/dev/null | grep -i wifi || echo "")
     if [ -n "$WIFI_STATUS" ]; then
-        echo "$WIFI_STATUS" | while IFS=':' read -r device type state; do
+        echo "$WIFI_STATUS" | while IFS=':' read -r _ _ state; do
             if [ "$state" = "connected" ]; then
                 SSID=$(nmcli -t -f active,ssid device wifi 2>/dev/null | grep "^yes:" | cut -d: -f2 | head -1)
                 if [ -n "$SSID" ]; then

plugin-repos/march-madness/requirements.txt

@@ -1,4 +1,5 @@
-requests>=2.28.0
+requests>=2.33.0
-Pillow>=9.1.0
+urllib3>=1.26.0
+Pillow>=12.2.0
 pytz>=2022.1
 numpy>=1.24.0

plugin-repos/starlark-apps/requirements.txt

@@ -1,3 +1,3 @@
-Pillow>=10.4.0
+Pillow>=12.2.0
 PyYAML>=6.0.2
-requests>=2.32.0
+requests>=2.33.0

plugin-repos/web-ui-info/manager.py

@@ -35,6 +35,11 @@ class WebUIInfoPlugin(BasePlugin):
         """Initialize the Web UI Info plugin."""
         super().__init__(plugin_id, config, display_manager, cache_manager, plugin_manager)
         
+        # AP mode cache (must be initialized before _get_local_ip)
+        self._ap_mode_cached = False
+        self._ap_mode_cache_time = 0.0
+        self._ap_mode_cache_ttl = 60.0
+
         # Get device hostname
         try:
             self.device_id = socket.gethostname()
@@ -47,7 +52,7 @@ class WebUIInfoPlugin(BasePlugin):
 
         # IP refresh tracking
         self.last_ip_refresh = time.time()
-        self.ip_refresh_interval = 30.0  # Refresh IP every 30 seconds
+        self.ip_refresh_interval = 300.0
 
         # Rotation state
         self.current_display_mode = "hostname"  # "hostname" or "ip"
@@ -56,17 +61,41 @@ class WebUIInfoPlugin(BasePlugin):
 
         self.web_ui_url = f"http://{self.device_id}:5000"
 
+        # Display cache - avoid re-rendering when nothing changed
+        self._cached_display_image = None
+        self._display_dirty = True
+        self._font_small = self._load_font()
+
         self.logger.info(f"Web UI Info plugin initialized - Hostname: {self.device_id}, IP: {self.device_ip}")
     
+    def _load_font(self):
+        """Load and cache the display font."""
+        try:
+            current_dir = Path(__file__).resolve().parent
+            project_root = current_dir.parent.parent
+            font_path = project_root / "assets" / "fonts" / "4x6-font.ttf"
+            if font_path.exists():
+                return ImageFont.truetype(str(font_path), 6)
+            font_path = "assets/fonts/4x6-font.ttf"
+            if os.path.exists(font_path):
+                return ImageFont.truetype(font_path, 6)
+            return ImageFont.load_default()
+        except (FileNotFoundError, OSError) as e:
+            self.logger.debug(f"Could not load custom font: {e}, using default")
+            return ImageFont.load_default()
+
     def _is_ap_mode_active(self) -> bool:
         """
-        Check if AP mode is currently active.
+        Check if AP mode is currently active (cached with TTL).
 
         Returns:
             bool: True if AP mode is active, False otherwise
         """
+        current_time = time.time()
+        if current_time - self._ap_mode_cache_time < self._ap_mode_cache_ttl:
+            return self._ap_mode_cached
+
         try:
-            # Check if hostapd service is running
             result = subprocess.run(
                 ["systemctl", "is-active", "hostapd"],
                 capture_output=True,
@@ -74,9 +103,10 @@ class WebUIInfoPlugin(BasePlugin):
                 timeout=2
             )
             if result.returncode == 0 and result.stdout.strip() == "active":
+                self._ap_mode_cached = True
+                self._ap_mode_cache_time = current_time
                 return True
 
-            # Check if wlan0 has AP mode IP (192.168.4.1)
             result = subprocess.run(
                 ["ip", "addr", "show", "wlan0"],
                 capture_output=True,
@@ -84,11 +114,17 @@ class WebUIInfoPlugin(BasePlugin):
                 timeout=2
             )
             if result.returncode == 0 and "192.168.4.1" in result.stdout:
+                self._ap_mode_cached = True
+                self._ap_mode_cache_time = current_time
                 return True
 
+            self._ap_mode_cached = False
+            self._ap_mode_cache_time = current_time
             return False
         except Exception as e:
             self.logger.debug(f"Error checking AP mode status: {e}")
+            self._ap_mode_cached = False
+            self._ap_mode_cache_time = current_time
             return False
     
     def _get_local_ip(self) -> str:
@@ -105,7 +141,21 @@ class WebUIInfoPlugin(BasePlugin):
             return "192.168.4.1"
 
         try:
-            # Try using 'hostname -I' first (fastest, gets all IPs)
+            # Try socket method first (zero subprocess overhead, fastest)
+            try:
+                s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+                try:
+                    s.connect(('8.8.8.8', 80))
+                    ip = s.getsockname()[0]
+                    if ip and not ip.startswith("127.") and ip != "192.168.4.1":
+                        self.logger.debug(f"Found IP via socket method: {ip}")
+                        return ip
+                finally:
+                    s.close()
+            except Exception:
+                pass
+
+            # Fallback: Try using 'hostname -I'
             result = subprocess.run(
                 ["hostname", "-I"],
                 capture_output=True,
@@ -114,7 +164,6 @@ class WebUIInfoPlugin(BasePlugin):
             )
             if result.returncode == 0:
                 ips = result.stdout.strip().split()
-                # Filter out loopback and AP mode IPs
                 for ip in ips:
                     ip = ip.strip()
                     if ip and not ip.startswith("127.") and ip != "192.168.4.1":
@@ -132,20 +181,16 @@ class WebUIInfoPlugin(BasePlugin):
                 current_interface = None
                 for line in result.stdout.split('\n'):
                     line = line.strip()
-                    # Check for interface name
                     if ':' in line and not line.startswith('inet'):
                         parts = line.split(':')
                         if len(parts) >= 2:
                             current_interface = parts[1].strip().split('@')[0]
-                    # Check for inet address
                     elif line.startswith('inet '):
                         parts = line.split()
                         if len(parts) >= 2:
                             ip_with_cidr = parts[1]
                             ip = ip_with_cidr.split('/')[0]
-                            # Skip loopback and AP mode IPs
                             if not ip.startswith("127.") and ip != "192.168.4.1":
-                                # Prefer eth0/ethernet interfaces, then wlan0, then others
                                 if current_interface and (
                                     current_interface.startswith("eth") or
                                     current_interface.startswith("enp")
@@ -156,21 +201,6 @@ class WebUIInfoPlugin(BasePlugin):
                                     self.logger.debug(f"Found WiFi IP: {ip} on {current_interface}")
                                     return ip
 
-            # Fallback: Try socket method (requires internet connectivity)
-            try:
-                s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
-                try:
-                    # Connect to a public DNS server (doesn't actually connect)
-                    s.connect(('8.8.8.8', 80))
-                    ip = s.getsockname()[0]
-                    if ip and not ip.startswith("127.") and ip != "192.168.4.1":
-                        self.logger.debug(f"Found IP via socket method: {ip}")
-                        return ip
-                finally:
-                    s.close()
-            except Exception:
-                pass
-            
             # Last resort: try hostname resolution (often returns 127.0.0.1)
             try:
                 ip = socket.gethostbyname(socket.gethostname())
@@ -196,11 +226,11 @@ class WebUIInfoPlugin(BasePlugin):
         """
         current_time = time.time()
         if current_time - self.last_ip_refresh >= self.ip_refresh_interval:
-            # Refresh IP address to handle network state changes
             new_ip = self._get_local_ip()
             if new_ip != self.device_ip:
                 self.logger.info(f"IP address changed from {self.device_ip} to {new_ip}")
                 self.device_ip = new_ip
+                self._display_dirty = True
             self.last_ip_refresh = current_time
     
     def display(self, force_clear: bool = False) -> None:
@@ -215,16 +245,23 @@ class WebUIInfoPlugin(BasePlugin):
             # Check if we need to rotate between hostname and IP
             current_time = time.time()
             if current_time - self.last_rotation_time >= self.rotation_interval:
-                # Switch display mode
                 if self.current_display_mode == "hostname":
                     self.current_display_mode = "ip"
                 else:
                     self.current_display_mode = "hostname"
                 self.last_rotation_time = current_time
+                self._display_dirty = True
                 self.logger.debug(f"Rotated to display mode: {self.current_display_mode}")
 
             if force_clear:
                 self.display_manager.clear()
+                self._display_dirty = True
+
+            # Use cached image if nothing changed
+            if not self._display_dirty and self._cached_display_image is not None:
+                self.display_manager.image = self._cached_display_image
+                self.display_manager.update_display()
+                return
 
             # Get display dimensions
             width = self.display_manager.matrix.width
@@ -234,74 +271,40 @@ class WebUIInfoPlugin(BasePlugin):
             img = Image.new('RGB', (width, height), (0, 0, 0))
             draw = ImageDraw.Draw(img)
 
-            # Try to load a small font
-            # Try to find project root and use assets/fonts
-            font_small = None
-            try:
-                # Try to find project root (parent of plugins directory)
-                current_dir = Path(__file__).resolve().parent
-                project_root = current_dir.parent.parent
-                font_path = project_root / "assets" / "fonts" / "4x6-font.ttf"
-                
-                if font_path.exists():
-                    font_small = ImageFont.truetype(str(font_path), 6)
-                else:
-                    # Try relative path from current working directory
-                    font_path = "assets/fonts/4x6-font.ttf"
-                    if os.path.exists(font_path):
-                        font_small = ImageFont.truetype(font_path, 6)
-                    else:
-                        font_small = ImageFont.load_default()
-            except Exception as e:
-                self.logger.debug(f"Could not load custom font: {e}, using default")
-                font_small = ImageFont.load_default()
-            
             # Determine which address to display
             if self.current_display_mode == "ip":
                 address = self.device_ip
             else:
                 address = self.device_id
 
-            # Prepare text to display
             lines = [
                 "visit web ui",
                 f"at {address}:5000"
             ]
 
-            # Calculate text positions (centered)
             y_start = 5
             line_height = 8
-            total_height = len(lines) * line_height
 
-            # Draw each line
             for i, line in enumerate(lines):
-                # Get text size for centering
+                bbox = draw.textbbox((0, 0), line, font=self._font_small)
-                bbox = draw.textbbox((0, 0), line, font=font_small)
                 text_width = bbox[2] - bbox[0]
-                text_height = bbox[3] - bbox[1]
-                
-                # Center horizontally
                 x = (width - text_width) // 2
                 y = y_start + (i * line_height)
+                draw.text((x, y), line, font=self._font_small, fill=(255, 255, 255))
 
-                # Draw text in white
+            self._cached_display_image = img
-                draw.text((x, y), line, font=font_small, fill=(255, 255, 255))
+            self._display_dirty = False
-            
-            # Set the image on the display manager
             self.display_manager.image = img
-            
-            # Update the display
             self.display_manager.update_display()
 
             self.logger.debug(f"Displayed web UI info: {address}:5000 (mode: {self.current_display_mode})")
 
         except Exception as e:
             self.logger.error(f"Error displaying web UI info: {e}")
-            # Fallback: just clear the display
             try:
                 self.display_manager.clear()
                 self.display_manager.update_display()
-            except:
+            except Exception:
                 pass
     
     def get_display_duration(self) -> float:

requirements.txt

@@ -3,7 +3,7 @@
 # Tested on Raspbian OS 12 (Bookworm) and 13 (Trixie)
 
 # Image processing
-Pillow>=10.4.0,<12.0.0
+Pillow>=12.2.0,<13.0.0
 numpy>=1.24.0  # For fast array operations in ScrollHelper (compatible with 2.x)
 
 # Timezone handling
@@ -12,7 +12,7 @@ timezonefinder>=6.5.0,<7.0.0  # Updated for better performance and accuracy
 geopy>=2.4.1,<3.0.0
 
 # HTTP requests
-requests>=2.32.0,<3.0.0
+requests>=2.33.0,<3.0.0
 
 # Google API integration
 google-auth-oauthlib>=1.2.0,<2.0.0
@@ -23,10 +23,10 @@ google-api-python-client>=2.147.0,<3.0.0
 freetype-py>=2.5.1,<3.0.0
 
 # Spotify integration
-spotipy>=2.24.0,<3.0.0
+spotipy>=2.25.2,<3.0.0
 
 # Flask web framework
-Flask>=3.0.0,<4.0.0
+Flask>=3.1.3,<4.0.0
 
 # Text processing
 unidecode>=1.3.8,<2.0.0
@@ -35,7 +35,7 @@ unidecode>=1.3.8,<2.0.0
 icalevents>=0.1.27,<1.0.0
 
 # WebSocket support
-python-socketio>=5.11.0,<6.0.0
+python-socketio>=5.14.0,<6.0.0
 python-engineio>=4.9.0,<5.0.0
 websockets>=12.0,<14.0
 websocket-client>=1.8.0,<2.0.0
@@ -44,7 +44,29 @@ websocket-client>=1.8.0,<2.0.0
 jsonschema>=4.20.0,<5.0.0
 
 # Testing dependencies
-pytest>=7.4.0,<8.0.0
+pytest>=9.0.3,<10.0.0
 pytest-cov>=4.1.0,<5.0.0
 pytest-mock>=3.11.0,<4.0.0
 mypy>=1.5.0,<2.0.0
+
+# ───────────────────────────────────────────────────────────────────────
+# Optional dependencies — the code imports these inside try/except
+# blocks and gracefully degrades when missing. Install them for the
+# full feature set, or skip them for a minimal install.
+# ───────────────────────────────────────────────────────────────────────
+#
+# scipy             — sub-pixel interpolation in
+#                     src/common/scroll_helper.py for smoother
+#                     scrolling. Falls back to a simpler shift algorithm.
+#   pip install 'scipy>=1.10.0,<2.0.0'
+#
+# psutil            — per-plugin resource monitoring in
+#                     src/plugin_system/resource_monitor.py. The monitor
+#                     silently no-ops when missing (PSUTIL_AVAILABLE = False).
+#   pip install 'psutil>=5.9.0,<6.0.0'
+#
+# Flask-Limiter     — request rate limiting in web_interface/app.py
+#                     (accidental-abuse protection, not security). The
+#                     web interface starts without rate limiting when
+#                     this is missing.
+#   pip install 'Flask-Limiter>=3.5.0,<4.0.0'

run.py

@@ -51,7 +51,6 @@ if debug_mode:
 
         # Try to import the plugin system directly to get better error info
         print("DEBUG: Attempting to import src.plugin_system...", flush=True)
-        from src.plugin_system import PluginManager
         print("DEBUG: Plugin system import successful", flush=True)
     except ImportError as e:
         print(f"DEBUG: Plugin system import failed: {e}", flush=True)

scripts/README_NBA_LOGOS.md

@@ -1,29 +1,40 @@
 # NBA Logo Downloader
 
-This script downloads all NBA team logos from the ESPN API and saves them in the `assets/sports/nba_logos/` directory for use with the NBA leaderboard.
+This script downloads all NBA team logos from the ESPN API and saves
+them in the `assets/sports/nba_logos/` directory.
+
+> **Heads up:** the NBA leaderboard and basketball scoreboards now
+> live as plugins in the
+> [`ledmatrix-plugins`](https://github.com/ChuckBuilds/ledmatrix-plugins)
+> repo (`basketball-scoreboard`, `ledmatrix-leaderboard`). Those
+> plugins download the logos they need automatically on first display.
+> This standalone script is mainly useful when you want to pre-populate
+> the assets directory ahead of time, or for development/debugging.
+
+All commands below should be run from the LEDMatrix project root.
 
 ## Usage
 
 ### Basic Usage
 ```bash
-python download_nba_logos.py
+python3 scripts/download_nba_logos.py
 ```
 
 ### Force Re-download
 If you want to re-download all logos (even if they already exist):
 ```bash
-python download_nba_logos.py --force
+python3 scripts/download_nba_logos.py --force
 ```
 
 ### Quiet Mode
 Reduce logging output:
 ```bash
-python download_nba_logos.py --quiet
+python3 scripts/download_nba_logos.py --quiet
 ```
 
 ### Combined Options
 ```bash
-python download_nba_logos.py --force --quiet
+python3 scripts/download_nba_logos.py --force --quiet
 ```
 
 ## What It Does
@@ -82,12 +93,14 @@ assets/sports/nba_logos/
 └── WAS.png  # Washington Wizards
 ```
 
-## Integration with NBA Leaderboard
+## Integration with NBA plugins
 
-Once the logos are downloaded, the NBA leaderboard will:
+Once the logos are in `assets/sports/nba_logos/`, both the
-- ✅ Use local logos instantly (no download delays)
+`basketball-scoreboard` and `ledmatrix-leaderboard` plugins will pick
-- ✅ Display team logos in the scrolling leaderboard
+them up automatically and skip their own first-run download. This is
-- ✅ Show proper team branding for all 30 NBA teams
+useful if you want to deploy a Pi without internet access to ESPN, or
+if you want to preview the display on your dev machine without
+waiting for downloads.
 
 ## Troubleshooting
 
@@ -102,6 +115,6 @@ This is normal - some teams might have temporary API issues or the ESPN API migh
 
 ## Requirements
 
-- Python 3.7+
+- Python 3.9+ (matches the project's overall minimum)
-- `requests` library (should be installed with the project)
+- `requests` library (already in `requirements.txt`)
 - Write access to `assets/sports/nba_logos/` directory

scripts/add_defaults_to_schemas.py

@@ -9,7 +9,7 @@ and preventing validation errors.
 import json
 import sys
 from pathlib import Path
-from typing import Any, Dict, List, Optional
+from typing import Any, Dict, List
 
 
 def get_default_for_field(prop: Dict[str, Any]) -> Any:

scripts/analyze_plugin_schemas.py

@@ -9,9 +9,8 @@ Analyze all plugin config schemas to identify issues:
 """
 
 import json
-import os
 from pathlib import Path
-from typing import Dict, List, Set, Any
+from typing import Dict, List, Any
 import jsonschema
 from jsonschema import Draft7Validator
 

scripts/debug/check_imports.py

@@ -3,8 +3,6 @@
 Check what imports are actually in the app.py file on the Pi
 """
 
-import sys
-import os
 from pathlib import Path
 
 # Read the app.py file and check the import lines

scripts/dev/dev_plugin_setup.sh

@@ -6,7 +6,7 @@
 set -euo pipefail
 
 SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
-PROJECT_ROOT="$SCRIPT_DIR"
+PROJECT_ROOT="$(cd "$SCRIPT_DIR/../.." && pwd)"
 PLUGINS_DIR="$PROJECT_ROOT/plugins"
 CONFIG_FILE="$PROJECT_ROOT/dev_plugins.json"
 DEFAULT_DEV_DIR="$HOME/.ledmatrix-dev-plugins"
@@ -203,7 +203,7 @@ link_github_plugin() {
         log_info "Repository already exists at $target_dir"
         if [[ -d "$target_dir/.git" ]]; then
             log_info "Updating repository..."
-            (cd "$target_dir" && git pull --rebase || true)
+            (cd "$target_dir" && git pull --rebase) || true
         fi
     else
         # Clone the repository

scripts/dev/plugins/of-the-day

@@ -1 +0,0 @@
-/home/chuck/.ledmatrix-dev-plugins/ledmatrix-of-the-day

scripts/dev/test_pillow_compat.py

@@ -0,0 +1,95 @@
+#!/usr/bin/env python3
+"""
+Pillow compatibility smoke test.
+
+Exercises the Pillow APIs used throughout LEDMatrix to verify a new
+Pillow version doesn't break image rendering, font handling, or resize ops.
+
+Run after upgrading Pillow:
+    python3 scripts/dev/test_pillow_compat.py
+"""
+
+import sys
+
+
+def check(label, fn):
+    try:
+        result = fn()
+        print(f"  ✓ {label}" + (f" — {result}" if result is not None else ""))
+        return True
+    except Exception as e:
+        print(f"  ✗ {label} — {type(e).__name__}: {e}", file=sys.stderr)
+        return False
+
+
+def main():
+    from PIL import Image, ImageDraw, ImageFont
+    import PIL
+
+    print(f"Pillow {PIL.__version__} on Python {sys.version.split()[0]}\n")
+
+    failures = 0
+
+    print("Image creation:")
+    failures += not check("Image.new RGB",
+        lambda: Image.new('RGB', (128, 32), (0, 0, 0)).size)
+    failures += not check("Image.new RGBA",
+        lambda: Image.new('RGBA', (64, 64), (255, 0, 0, 128)).size)
+    failures += not check("Image.new 1-bit",
+        lambda: Image.new('1', (16, 16)).size)
+
+    print("\nDraw operations:")
+    img = Image.new('RGB', (128, 32), (0, 0, 0))
+    draw = ImageDraw.Draw(img)
+    font = ImageFont.load_default()
+    failures += not check("draw.rectangle",
+        lambda: draw.rectangle([0, 0, 127, 31], outline=(255, 0, 0)))
+    failures += not check("draw.text",
+        lambda: draw.text((2, 2), "Hello", fill=(255, 255, 255), font=font))
+    failures += not check("draw.line",
+        lambda: draw.line([0, 0, 127, 31], fill=(0, 255, 0)))
+
+    print("\nFont metrics (used in text_helper, scroll_helper):")
+    failures += not check("draw.textlength",
+        lambda: f"{draw.textlength('Test', font=font):.1f}px")
+    failures += not check("draw.textbbox",
+        lambda: draw.textbbox((0, 0), "Test", font=font))
+
+    print("\nResampling (used in logo_helper, image_utils, sports base):")
+    logo = Image.new('RGBA', (200, 200), (255, 128, 0, 200))
+    failures += not check("Image.Resampling.LANCZOS exists",
+        lambda: str(Image.Resampling.LANCZOS))
+    failures += not check("thumbnail with LANCZOS",
+        lambda: (logo.thumbnail((64, 32), Image.Resampling.LANCZOS), logo.size)[1])
+    big = Image.new('RGB', (300, 300), (0, 128, 255))
+    failures += not check("resize with LANCZOS",
+        lambda: big.resize((128, 32), Image.Resampling.LANCZOS).size)
+
+    print("\nComposite / paste (used in display rendering):")
+    base = Image.new('RGB', (128, 32), (0, 0, 0))
+    overlay = Image.new('RGBA', (32, 32), (255, 0, 0, 128))
+    failures += not check("paste RGBA onto RGB",
+        lambda: (base.paste(overlay.convert('RGB'), (0, 0)), base.size)[1])
+    failures += not check("Image.alpha_composite",
+        lambda: Image.alpha_composite(
+            Image.new('RGBA', (32, 32)), overlay).size)
+
+    print("\nImage I/O:")
+    import io
+    buf = io.BytesIO()
+    img.save(buf, format='PNG')
+    buf.seek(0)
+    failures += not check("save/load PNG roundtrip",
+        lambda: Image.open(buf).size)
+
+    print()
+    if failures == 0:
+        print(f"All checks passed. Pillow {PIL.__version__} is compatible.")
+        return 0
+    else:
+        print(f"{failures} check(s) failed — review output above.", file=sys.stderr)
+        return 1
+
+
+if __name__ == '__main__':
+    sys.exit(main())

scripts/dev/validate_python.py

@@ -15,7 +15,6 @@ Usage: python tools/validate_python.py <python_file>
 import ast
 import sys
 import os
-from pathlib import Path
 
 def validate_file(filepath: str) -> bool:
     """Validate a Python file for common issues."""

scripts/diagnose_plugin_permissions.sh

@@ -13,7 +13,6 @@ echo ""
 RED='\033[0;31m'
 GREEN='\033[0;32m'
 YELLOW='\033[1;33m'
-BLUE='\033[0;34m'
 NC='\033[0m' # No Color
 
 # Get the actual user

scripts/diagnose_web_interface.sh

@@ -41,7 +41,7 @@ if [ -f "$PROJECT_DIR/config/config.json" ]; then
     echo -e "${GREEN}✓ Config file found${NC}"
     
     # Check web_display_autostart setting
-    AUTOSTART=$(cat "$PROJECT_DIR/config/config.json" | grep -o '"web_display_autostart"[[:space:]]*:[[:space:]]*[a-z]*' | grep -o '[a-z]*$')
+    AUTOSTART=$(grep -o '"web_display_autostart"[[:space:]]*:[[:space:]]*[a-z]*' "$PROJECT_DIR/config/config.json" | grep -o '[a-z]*$')
     
     if [ "$AUTOSTART" == "true" ]; then
         echo -e "${GREEN}✓ web_display_autostart: true${NC}"

scripts/diagnose_web_ui.sh

@@ -18,9 +18,6 @@ NC='\033[0m' # No Color
 # Check if running as root or with sudo
 if [ "$EUID" -ne 0 ]; then
     echo -e "${YELLOW}Warning: Some checks require sudo. Running what we can...${NC}"
-    SUDO=""
-else
-    SUDO=""
 fi
 
 PROJECT_DIR="${HOME}/LEDMatrix"

scripts/download_pixlet.sh

@@ -118,7 +118,7 @@ total_count=${#ARCHITECTURES[@]}
 
 for arch in "${!ARCHITECTURES[@]}"; do
     if download_binary "$arch" "${ARCHITECTURES[$arch]}"; then
-        ((success_count++))
+        success_count=$((success_count + 1))
     fi
 done
 

scripts/fix_perms/README.md

@@ -0,0 +1,70 @@
+# Permission Fix Scripts
+
+This directory contains shell scripts for repairing file/directory
+permissions on a LEDMatrix installation. They're typically only needed
+when something has gone wrong — for example, after running parts of the
+install as the wrong user, after a manual file copy that didn't preserve
+ownership, or after a permissions-related error from the display or
+web service.
+
+Most of these scripts require `sudo` since they touch directories
+owned by the `ledmatrix` service user or by `root`.
+
+## Scripts
+
+- **`fix_assets_permissions.sh`** — Fixes ownership and write
+  permissions on the `assets/` tree so plugins can download and cache
+  team logos, fonts, and other static content.
+
+- **`fix_cache_permissions.sh`** — Fixes permissions on every cache
+  directory the project may use (`/var/cache/ledmatrix/`,
+  `~/.cache/ledmatrix/`, `/opt/ledmatrix/cache/`, project-local
+  `cache/`). Also creates placeholder logo subdirectories used by the
+  sports plugins.
+
+- **`fix_plugin_permissions.sh`** — Fixes ownership on the plugins
+  directory so both the root display service and the web service user
+  can read and write plugin files (manifests, configs, requirements
+  installs).
+
+- **`fix_web_permissions.sh`** — Fixes permissions on log files,
+  systemd journal access, and the sudoers entries the web interface
+  needs to control the display service.
+
+- **`fix_nhl_cache.sh`** — Targeted fix for NHL plugin cache issues
+  (clears the NHL cache and restarts the display service).
+
+- **`safe_plugin_rm.sh`** — Validates that a plugin removal path is
+  inside an allowed base directory before deleting it. Used by the web
+  interface (via sudo) when a user clicks **Uninstall** on a plugin —
+  prevents path-traversal abuse from the web UI.
+
+## When to use these
+
+Most users never need to run these directly. The first-time installer
+(`first_time_install.sh`) sets up permissions correctly, and the web
+interface manages plugin install/uninstall through the sudoers entries
+the installer creates.
+
+Run these scripts only when:
+
+- You see "Permission denied" errors in `journalctl -u ledmatrix` or
+  the web UI Logs tab.
+- You manually copied files into the project directory as the wrong
+  user.
+- You restored from a backup that didn't preserve ownership.
+- You moved the LEDMatrix directory and need to re-anchor permissions.
+
+## Usage
+
+```bash
+# Run from the project root
+sudo ./scripts/fix_perms/fix_cache_permissions.sh
+sudo ./scripts/fix_perms/fix_assets_permissions.sh
+sudo ./scripts/fix_perms/fix_plugin_permissions.sh
+sudo ./scripts/fix_perms/fix_web_permissions.sh
+```
+
+If you're not sure which one you need, run `fix_cache_permissions.sh`
+first — it's the most commonly needed and creates several directories
+the other scripts assume exist.

scripts/fix_perms/fix_assets_permissions.sh

@@ -7,12 +7,6 @@ echo "Fixing LEDMatrix assets directory permissions..."
 
 # Get the real user (not root when running with sudo)
 REAL_USER=${SUDO_USER:-$USER}
-# Resolve the home directory of the real user robustly
-if command -v getent >/dev/null 2>&1; then
-    REAL_HOME=$(getent passwd "$REAL_USER" | cut -d: -f6)
-else
-    REAL_HOME=$(eval echo ~"$REAL_USER")
-fi
 REAL_GROUP=$(id -gn "$REAL_USER")
 
 # Get the project directory

scripts/install/README.md

@@ -4,16 +4,26 @@ This directory contains scripts for installing and configuring the LEDMatrix sys
 
 ## Scripts
 
+- **`one-shot-install.sh`** - Single-command installer; clones the
+  repo, checks prerequisites, then runs `first_time_install.sh`.
+  Invoked via `curl ... | bash` from the project root README.
 - **`install_service.sh`** - Installs the main LED Matrix display service (systemd)
 - **`install_web_service.sh`** - Installs the web interface service (systemd)
 - **`install_wifi_monitor.sh`** - Installs the WiFi monitor daemon service
 - **`setup_cache.sh`** - Sets up persistent cache directory with proper permissions
 - **`configure_web_sudo.sh`** - Configures passwordless sudo access for web interface actions
+- **`configure_wifi_permissions.sh`** - Grants the `ledmatrix` user
+  the WiFi management permissions needed by the web interface and
+  the WiFi monitor service
 - **`migrate_config.sh`** - Migrates configuration files to new formats (if needed)
+- **`debug_install.sh`** - Diagnostic helper used when an install
+  fails; collects environment info and recent logs
 
 ## Usage
 
-These scripts are typically called by `first_time_install.sh` in the project root, but can also be run individually if needed.
+These scripts are typically called by `first_time_install.sh` in the
+project root (which itself is invoked by `one-shot-install.sh`), but
+can also be run individually if needed.
 
 **Note:** Most installation scripts require `sudo` privileges to install systemd services and configure system settings.
 

scripts/install/configure_web_sudo.sh

@@ -89,9 +89,9 @@ TEMP_SUDOERS="/tmp/ledmatrix_web_sudoers_$$"
     echo "$WEB_USER ALL=(ALL) NOPASSWD: $SYSTEMCTL_PATH status ledmatrix.service"
     echo "$WEB_USER ALL=(ALL) NOPASSWD: $SYSTEMCTL_PATH is-active ledmatrix"
     echo "$WEB_USER ALL=(ALL) NOPASSWD: $SYSTEMCTL_PATH is-active ledmatrix.service"
-    echo "$WEB_USER ALL=(ALL) NOPASSWD: $SYSTEMCTL_PATH start ledmatrix-web"
+    echo "$WEB_USER ALL=(ALL) NOPASSWD: $SYSTEMCTL_PATH start ledmatrix-web.service"
-    echo "$WEB_USER ALL=(ALL) NOPASSWD: $SYSTEMCTL_PATH stop ledmatrix-web"
+    echo "$WEB_USER ALL=(ALL) NOPASSWD: $SYSTEMCTL_PATH stop ledmatrix-web.service"
-    echo "$WEB_USER ALL=(ALL) NOPASSWD: $SYSTEMCTL_PATH restart ledmatrix-web"
+    echo "$WEB_USER ALL=(ALL) NOPASSWD: $SYSTEMCTL_PATH restart ledmatrix-web.service"
 
     # Optional: journalctl (non-critical — skip if not found)
     if [ -n "$JOURNALCTL_PATH" ]; then

scripts/install/install_web_service.sh

@@ -14,9 +14,6 @@ else
     ACTUAL_USER=$(whoami)
 fi
 
-# Get the home directory of the actual user
-USER_HOME=$(eval echo ~$ACTUAL_USER)
-
 # Determine the Project Root Directory (parent of scripts/install/)
 PROJECT_ROOT_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)
 
@@ -34,7 +31,8 @@ echo "Generating service file with dynamic paths..."
 WEB_SERVICE_FILE_CONTENT=$(cat <<EOF
 [Unit]
 Description=LED Matrix Web Interface Service
-After=network.target
+After=network-online.target
+Wants=network-online.target
 
 [Service]
 Type=simple

scripts/render_plugin.py

@@ -81,7 +81,7 @@ def main() -> int:
                         help='Plugin config as JSON string')
     parser.add_argument('--mock-data', '-m', default=None,
                         help='Path to JSON file with mock cache data')
-    parser.add_argument('--output', '-o', default='/tmp/plugin_render.png',
+    parser.add_argument('--output', '-o', default='/tmp/plugin_render.png',  # nosec B108 - dev script default; user can override
                         help='Output PNG path (default: /tmp/plugin_render.png)')
     parser.add_argument('--width', type=int, default=128, help='Display width (default: 128)')
     parser.add_argument('--height', type=int, default=32, help='Display height (default: 32)')

scripts/run_plugin_tests.py

@@ -7,9 +7,7 @@ Supports both unittest and pytest.
 """
 
 import sys
-import os
 import argparse
-import subprocess
 from pathlib import Path
 from typing import Optional
 
@@ -198,17 +196,14 @@ def main():
     if runner == 'auto':
         # Try pytest first, fall back to unittest
         try:
-            import pytest
             runner = 'pytest'
         except ImportError:
             runner = 'unittest'
     
     # Run tests
     if runner == 'pytest':
-        import importlib.util
         return run_pytest_tests(test_files, args.verbose, args.coverage)
     else:
-        import importlib.util
         return run_unittest_tests(test_files, args.verbose)
 
 

scripts/utils/clear_cache.py

@@ -6,9 +6,7 @@ This script allows manual clearing of specific cache keys or all cache data.
 
 import os
 import sys
-import json
 import argparse
-from pathlib import Path
 
 # Add the src directory to the path so we can import our modules
 sys.path.insert(0, os.path.join(os.path.dirname(__file__), 'src'))

scripts/utils/start_web_conditionally.py

@@ -111,7 +111,7 @@ def main():
             # Ensure PYTHONPATH is set correctly if web_interface.py has relative imports to src
             # The WorkingDirectory in systemd service should handle this for web_interface.py
             print(f"Launching web interface v3: {sys.executable} {WEB_INTERFACE_SCRIPT}")
-            os.execvp(sys.executable, [sys.executable, WEB_INTERFACE_SCRIPT])
+            os.execvp(sys.executable, [sys.executable, WEB_INTERFACE_SCRIPT])  # nosec B606 - both args are fixed constants
         except Exception as e:
             print(f"Failed to exec web interface: {e}")
             sys.exit(1) # Failed to start

scripts/utils/wifi_monitor_daemon.py

@@ -10,6 +10,7 @@ import sys
 import time
 import logging
 import signal
+import subprocess
 from pathlib import Path
 
 # Add project root to path (parent of scripts/utils/)
@@ -43,6 +44,10 @@ class WiFiMonitorDaemon:
         self.wifi_manager = WiFiManager()
         self.running = True
         self.last_state = None
+        # Counts consecutive checks where nmcli says "connected" but internet is unreachable.
+        # After _nm_restart_threshold failures, NetworkManager is restarted as a recovery step.
+        self._consecutive_internet_failures = 0
+        self._nm_restart_threshold = 5  # ~2.5 min at 30s interval
 
         # Register signal handlers for graceful shutdown
         signal.signal(signal.SIGINT, self._signal_handler)
@@ -122,6 +127,43 @@ class WiFiMonitorDaemon:
                     else:
                         logger.debug(f"Status check: WiFi=disconnected, Ethernet={updated_ethernet}, AP={updated_status.ap_mode_active}")
                 
+                # Escalating recovery: if nmcli reports connected but actual internet
+                # is unreachable for several consecutive checks, restart NetworkManager.
+                # This is done HERE (not inside check_and_manage_ap_mode) to keep the
+                # AP-enable trigger clean and avoid false-positive AP enables from
+                # transient packet loss on otherwise working WiFi.
+                if updated_status.connected and not updated_status.ap_mode_active:
+                    if not self.wifi_manager.check_internet_connectivity():
+                        self._consecutive_internet_failures += 1
+                        logger.warning(
+                            f"Internet unreachable despite nmcli connection "
+                            f"({self._consecutive_internet_failures}/{self._nm_restart_threshold})"
+                        )
+                        if self._consecutive_internet_failures >= self._nm_restart_threshold:
+                            logger.warning("Restarting NetworkManager to recover internet connectivity")
+                            try:
+                                subprocess.run(
+                                    ["/usr/bin/systemctl", "restart", "NetworkManager"],
+                                    capture_output=True, timeout=20, check=True
+                                )
+                                self._consecutive_internet_failures = 0
+                                # NM restart causes a brief WiFi drop; reset the AP-mode grace
+                                # counter so that transient disconnect doesn't count toward
+                                # triggering AP mode.
+                                self.wifi_manager._disconnected_checks = 0
+                            except subprocess.CalledProcessError as e:
+                                logger.error(f"NetworkManager restart failed (rc={e.returncode}); "
+                                             "resetting failure counter to avoid tight retry loop")
+                                self._consecutive_internet_failures = 0
+                            except (subprocess.SubprocessError, OSError) as e:
+                                logger.error(f"NetworkManager restart error: {e}; "
+                                             "resetting failure counter to avoid tight retry loop")
+                                self._consecutive_internet_failures = 0
+                    else:
+                        self._consecutive_internet_failures = 0
+                else:
+                    self._consecutive_internet_failures = 0
+
                 # Sleep until next check
                 time.sleep(self.check_interval)
                 

src/background_cache_mixin.py

@@ -7,10 +7,7 @@ where Recent/Upcoming managers consume data from the background service cache.
 """
 
 import time
-import logging
 from typing import Dict, Optional, Any, Callable
-from datetime import datetime
-import pytz
 
 
 class BackgroundCacheMixin:

src/background_data_service.py

@@ -14,19 +14,15 @@ Key Features:
 - Memory-efficient data storage
 """
 
-import os
 import time
 import logging
 import threading
 import requests
-from typing import Dict, Any, Optional, List, Callable, Union
+from typing import Dict, Any, Optional, Callable
-from datetime import datetime, timedelta
 from dataclasses import dataclass, field
 from enum import Enum
-import json
 import queue
-from concurrent.futures import ThreadPoolExecutor, Future
+from concurrent.futures import ThreadPoolExecutor
-import weakref
 from src.cache_manager import CacheManager
 # Configure logging
 logger = logging.getLogger(__name__)
@@ -227,7 +223,7 @@ class BackgroundDataService:
             self.stats['cache_misses'] += 1
         
         # Submit to executor
-        future = self.executor.submit(self._fetch_data_worker, request)
+        self.executor.submit(self._fetch_data_worker, request)
         
         logger.info(f"Submitted background fetch request {request_id} for {sport} {year}")
         return request_id
@@ -553,13 +549,12 @@ class BackgroundDataService:
             if to_remove:
                 logger.info(f"Cleared {len(to_remove)} old completed requests")
     
-    def shutdown(self, wait: bool = True, timeout: int = 30):
+    def shutdown(self, wait: bool = True):
         """
         Shutdown the background data service.
 
         Args:
             wait: Whether to wait for active requests to complete
-            timeout: Maximum time to wait for shutdown
         """
         logger.info("Shutting down BackgroundDataService...")
         
@@ -570,16 +565,6 @@ class BackgroundDataService:
             for request_id in list(self.active_requests.keys()):
                 self.cancel_request(request_id)
         
-        # Shutdown executor with compatibility for older Python versions
-        try:
-            # Try with timeout parameter (Python 3.9+)
-            self.executor.shutdown(wait=wait, timeout=timeout)
-        except TypeError:
-            # Fallback for older Python versions that don't support timeout
-            if wait and timeout:
-                # For older versions, we can't specify timeout, so just wait
-                self.executor.shutdown(wait=True)
-            else:
         self.executor.shutdown(wait=wait)
         
         logger.info("BackgroundDataService shutdown complete")
@@ -587,7 +572,7 @@ class BackgroundDataService:
     def __del__(self):
         """Cleanup when service is destroyed."""
         if not self._shutdown:
-            self.shutdown(wait=False, timeout=None)
+            self.shutdown(wait=False)
 
 # Global service instance
 _background_service: Optional[BackgroundDataService] = None

src/backup_manager.py

@@ -0,0 +1,605 @@
+"""
+User configuration backup and restore.
+
+Packages the user's LEDMatrix configuration, secrets, WiFi settings,
+user-uploaded fonts, plugin image uploads, and installed-plugin manifest
+into a single ``.zip`` that can be exported from one installation and
+imported on a fresh install.
+
+This module is intentionally Flask-free so it can be unit-tested and
+used from scripts.
+"""
+
+from __future__ import annotations
+
+import json
+import logging
+import os
+import shutil
+import socket
+import tempfile
+import zipfile
+from dataclasses import dataclass, field, asdict
+from datetime import datetime, timezone
+from pathlib import Path
+from typing import Any, Dict, List, Optional, Tuple
+
+logger = logging.getLogger(__name__)
+
+SCHEMA_VERSION = 1
+
+# Filenames shipped with the LEDMatrix repository under ``assets/fonts/``.
+# Anything present on disk but NOT in this set is treated as a user upload
+# and included in backups. Keep this snapshot in sync with the repo — regenerate
+# with::
+#
+#     ls assets/fonts/
+#
+# Tests assert the set matches the checked-in fonts.
+BUNDLED_FONTS: frozenset[str] = frozenset({
+    "10x20.bdf",
+    "4x6.bdf",
+    "4x6-font.ttf",
+    "5by7.regular.ttf",
+    "5x7.bdf",
+    "5x8.bdf",
+    "6x9.bdf",
+    "6x10.bdf",
+    "6x12.bdf",
+    "6x13.bdf",
+    "6x13B.bdf",
+    "6x13O.bdf",
+    "7x13.bdf",
+    "7x13B.bdf",
+    "7x13O.bdf",
+    "7x14.bdf",
+    "7x14B.bdf",
+    "8x13.bdf",
+    "8x13B.bdf",
+    "8x13O.bdf",
+    "9x15.bdf",
+    "9x15B.bdf",
+    "9x18.bdf",
+    "9x18B.bdf",
+    "AUTHORS",
+    "bdf_font_guide",
+    "clR6x12.bdf",
+    "helvR12.bdf",
+    "ic8x8u.bdf",
+    "MatrixChunky8.bdf",
+    "MatrixChunky8X.bdf",
+    "MatrixLight6.bdf",
+    "MatrixLight6X.bdf",
+    "MatrixLight8X.bdf",
+    "PressStart2P-Regular.ttf",
+    "README",
+    "README.md",
+    "texgyre-27.bdf",
+    "tom-thumb.bdf",
+})
+
+# Relative paths inside the project that the backup knows how to round-trip.
+_CONFIG_REL = Path("config/config.json")
+_SECRETS_REL = Path("config/config_secrets.json")
+_WIFI_REL = Path("config/wifi_config.json")
+_FONTS_REL = Path("assets/fonts")
+_PLUGIN_UPLOADS_REL = Path("assets/plugins")
+_STATE_REL = Path("data/plugin_state.json")
+
+MANIFEST_NAME = "manifest.json"
+PLUGINS_MANIFEST_NAME = "plugins.json"
+
+# Hard cap on the size of a single file we'll accept inside an uploaded ZIP
+# to limit zip-bomb risk. 50 MB matches the existing plugin-image upload cap.
+_MAX_MEMBER_BYTES = 50 * 1024 * 1024
+# Hard cap on the total uncompressed size of an uploaded ZIP.
+_MAX_TOTAL_BYTES = 200 * 1024 * 1024
+
+
+# ---------------------------------------------------------------------------
+# Data classes
+# ---------------------------------------------------------------------------
+
+
+@dataclass
+class RestoreOptions:
+    """Which sections of a backup should be restored."""
+
+    restore_config: bool = True
+    restore_secrets: bool = True
+    restore_wifi: bool = True
+    restore_fonts: bool = True
+    restore_plugin_uploads: bool = True
+    reinstall_plugins: bool = True
+
+
+@dataclass
+class RestoreResult:
+    """Outcome of a restore operation."""
+
+    success: bool = False
+    restored: List[str] = field(default_factory=list)
+    skipped: List[str] = field(default_factory=list)
+    plugins_to_install: List[Dict[str, Any]] = field(default_factory=list)
+    plugins_installed: List[str] = field(default_factory=list)
+    plugins_failed: List[Dict[str, str]] = field(default_factory=list)
+    errors: List[str] = field(default_factory=list)
+    manifest: Dict[str, Any] = field(default_factory=dict)
+
+    def to_dict(self) -> Dict[str, Any]:
+        return asdict(self)
+
+
+# ---------------------------------------------------------------------------
+# Manifest helpers
+# ---------------------------------------------------------------------------
+
+
+def _ledmatrix_version(project_root: Path) -> str:
+    """Best-effort version string for the current install."""
+    version_file = project_root / "VERSION"
+    if version_file.exists():
+        try:
+            return version_file.read_text(encoding="utf-8").strip() or "unknown"
+        except OSError:
+            pass
+    head_file = project_root / ".git" / "HEAD"
+    if head_file.exists():
+        try:
+            head = head_file.read_text(encoding="utf-8").strip()
+            if head.startswith("ref: "):
+                ref = head[5:]
+                ref_path = project_root / ".git" / ref
+                if ref_path.exists():
+                    return ref_path.read_text(encoding="utf-8").strip()[:12] or "unknown"
+            return head[:12] or "unknown"
+        except OSError:
+            pass
+    return "unknown"
+
+
+def _build_manifest(contents: List[str], project_root: Path) -> Dict[str, Any]:
+    return {
+        "schema_version": SCHEMA_VERSION,
+        "created_at": datetime.now(timezone.utc).isoformat().replace("+00:00", "Z"),
+        "ledmatrix_version": _ledmatrix_version(project_root),
+        "hostname": socket.gethostname(),
+        "contents": contents,
+    }
+
+
+# ---------------------------------------------------------------------------
+# Installed-plugin enumeration
+# ---------------------------------------------------------------------------
+
+
+def list_installed_plugins(project_root: Path) -> List[Dict[str, Any]]:
+    """
+    Return a list of currently-installed plugins suitable for the backup
+    manifest. Each entry has ``plugin_id`` and ``version``.
+
+    Reads ``data/plugin_state.json`` if present; otherwise walks the plugin
+    directory and reads each ``manifest.json``.
+    """
+    plugins: Dict[str, Dict[str, Any]] = {}
+
+    state_file = project_root / _STATE_REL
+    if state_file.exists():
+        try:
+            with state_file.open("r", encoding="utf-8") as f:
+                state = json.load(f)
+            raw_plugins = state.get("states", {}) if isinstance(state, dict) else {}
+            if isinstance(raw_plugins, dict):
+                for plugin_id, info in raw_plugins.items():
+                    if not isinstance(info, dict):
+                        continue
+                    plugins[plugin_id] = {
+                        "plugin_id": plugin_id,
+                        "version": info.get("version") or "",
+                        "enabled": bool(info.get("enabled", True)),
+                    }
+        except (OSError, json.JSONDecodeError) as e:
+            logger.warning("Could not read plugin_state.json: %s", e)
+
+    # Fall back to scanning plugin-repos/ for manifests.
+    plugins_root = project_root / "plugin-repos"
+    if plugins_root.exists():
+        for entry in sorted(plugins_root.iterdir()):
+            if not entry.is_dir():
+                continue
+            manifest = entry / "manifest.json"
+            if not manifest.exists():
+                continue
+            try:
+                with manifest.open("r", encoding="utf-8") as f:
+                    data = json.load(f)
+            except (OSError, json.JSONDecodeError):
+                continue
+            plugin_id = data.get("id") or entry.name
+            if plugin_id not in plugins:
+                plugins[plugin_id] = {
+                    "plugin_id": plugin_id,
+                    "version": data.get("version", ""),
+                    "enabled": True,
+                }
+
+    return sorted(plugins.values(), key=lambda p: p["plugin_id"])
+
+
+# ---------------------------------------------------------------------------
+# Font filtering
+# ---------------------------------------------------------------------------
+
+
+def iter_user_fonts(project_root: Path) -> List[Path]:
+    """Return absolute paths to user-uploaded fonts (anything in
+    ``assets/fonts/`` not listed in :data:`BUNDLED_FONTS`)."""
+    fonts_dir = project_root / _FONTS_REL
+    if not fonts_dir.exists():
+        return []
+    user_fonts: List[Path] = []
+    for entry in sorted(fonts_dir.iterdir()):
+        if entry.is_file() and entry.name not in BUNDLED_FONTS:
+            user_fonts.append(entry)
+    return user_fonts
+
+
+def iter_plugin_uploads(project_root: Path) -> List[Path]:
+    """Return every file under ``assets/plugins/*/uploads/`` (recursive)."""
+    plugin_root = project_root / _PLUGIN_UPLOADS_REL
+    if not plugin_root.exists():
+        return []
+    out: List[Path] = []
+    for plugin_dir in sorted(plugin_root.iterdir()):
+        if not plugin_dir.is_dir():
+            continue
+        uploads = plugin_dir / "uploads"
+        if not uploads.exists():
+            continue
+        for root, _dirs, files in os.walk(uploads):
+            for name in sorted(files):
+                out.append(Path(root) / name)
+    return out
+
+
+# ---------------------------------------------------------------------------
+# Export
+# ---------------------------------------------------------------------------
+
+
+def create_backup(
+    project_root: Path,
+    output_dir: Optional[Path] = None,
+) -> Path:
+    """
+    Build a backup ZIP and write it into ``output_dir`` (defaults to
+    ``<project_root>/config/backups/exports/``). Returns the path to the
+    created file.
+    """
+    project_root = Path(project_root).resolve()
+    if output_dir is None:
+        output_dir = project_root / "config" / "backups" / "exports"
+    output_dir.mkdir(parents=True, exist_ok=True)
+
+    timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
+    hostname = socket.gethostname() or "ledmatrix"
+    safe_host = "".join(c for c in hostname if c.isalnum() or c in "-_") or "ledmatrix"
+    zip_name = f"ledmatrix-backup-{safe_host}-{timestamp}.zip"
+    zip_path = output_dir / zip_name
+
+    contents: List[str] = []
+
+    # Stream directly to a temp file so we never hold the whole ZIP in memory.
+    tmp_path = zip_path.with_suffix(".zip.tmp")
+    try:
+        with zipfile.ZipFile(tmp_path, "w", compression=zipfile.ZIP_DEFLATED) as zf:
+            # Config files.
+            if (project_root / _CONFIG_REL).exists():
+                zf.write(project_root / _CONFIG_REL, _CONFIG_REL.as_posix())
+                contents.append("config")
+            if (project_root / _SECRETS_REL).exists():
+                zf.write(project_root / _SECRETS_REL, _SECRETS_REL.as_posix())
+                contents.append("secrets")
+            if (project_root / _WIFI_REL).exists():
+                zf.write(project_root / _WIFI_REL, _WIFI_REL.as_posix())
+                contents.append("wifi")
+
+            # User-uploaded fonts.
+            user_fonts = iter_user_fonts(project_root)
+            if user_fonts:
+                for font in user_fonts:
+                    arcname = font.relative_to(project_root).as_posix()
+                    zf.write(font, arcname)
+                contents.append("fonts")
+
+            # Plugin uploads.
+            plugin_uploads = iter_plugin_uploads(project_root)
+            if plugin_uploads:
+                for upload in plugin_uploads:
+                    arcname = upload.relative_to(project_root).as_posix()
+                    zf.write(upload, arcname)
+                contents.append("plugin_uploads")
+
+            # Installed plugins manifest.
+            plugins = list_installed_plugins(project_root)
+            if plugins:
+                zf.writestr(
+                    PLUGINS_MANIFEST_NAME,
+                    json.dumps(plugins, indent=2),
+                )
+                contents.append("plugins")
+
+            # Manifest goes last so that `contents` reflects what we actually wrote.
+            manifest = _build_manifest(contents, project_root)
+            zf.writestr(MANIFEST_NAME, json.dumps(manifest, indent=2))
+
+        os.replace(tmp_path, zip_path)
+    except Exception:
+        tmp_path.unlink(missing_ok=True)
+        raise
+    logger.info("Created backup %s (%d bytes)", zip_path, zip_path.stat().st_size)
+    return zip_path
+
+
+def preview_backup_contents(project_root: Path) -> Dict[str, Any]:
+    """Return a summary of what ``create_backup`` would include."""
+    project_root = Path(project_root).resolve()
+    return {
+        "has_config": (project_root / _CONFIG_REL).exists(),
+        "has_secrets": (project_root / _SECRETS_REL).exists(),
+        "has_wifi": (project_root / _WIFI_REL).exists(),
+        "user_fonts": [p.name for p in iter_user_fonts(project_root)],
+        "plugin_uploads": len(iter_plugin_uploads(project_root)),
+        "plugins": list_installed_plugins(project_root),
+    }
+
+
+# ---------------------------------------------------------------------------
+# Validate
+# ---------------------------------------------------------------------------
+
+
+def _safe_extract_path(base_dir: Path, member_name: str) -> Optional[Path]:
+    """Resolve a ZIP member name against ``base_dir`` and reject anything
+    that escapes it. Returns the resolved absolute path, or ``None`` if the
+    name is unsafe."""
+    # Reject absolute paths and Windows-style drives outright.
+    if member_name.startswith(("/", "\\")) or (len(member_name) >= 2 and member_name[1] == ":"):
+        return None
+    target = (base_dir / member_name).resolve()
+    try:
+        target.relative_to(base_dir.resolve())
+    except ValueError:
+        return None
+    return target
+
+
+def validate_backup(zip_path: Path) -> Tuple[bool, str, Dict[str, Any]]:
+    """
+    Inspect a backup ZIP without extracting to disk.
+
+    Returns ``(ok, error_message, manifest_dict)``. ``manifest_dict`` contains
+    the parsed manifest plus diagnostic fields:
+      - ``detected_contents``: list of section names present in the archive
+      - ``plugins``: parsed plugins.json if present
+      - ``total_uncompressed``: sum of uncompressed sizes
+    """
+    zip_path = Path(zip_path)
+    if not zip_path.exists():
+        return False, f"Backup file not found: {zip_path}", {}
+
+    try:
+        with zipfile.ZipFile(zip_path, "r") as zf:
+            names = zf.namelist()
+            if MANIFEST_NAME not in names:
+                return False, "Backup is missing manifest.json", {}
+
+            total = 0
+            with tempfile.TemporaryDirectory() as _sandbox:
+                sandbox = Path(_sandbox)
+                for info in zf.infolist():
+                    if info.file_size > _MAX_MEMBER_BYTES:
+                        return False, f"Member {info.filename} is too large", {}
+                    total += info.file_size
+                    if total > _MAX_TOTAL_BYTES:
+                        return False, "Backup exceeds maximum allowed size", {}
+                    # Safety: reject members with unsafe paths up front.
+                    if _safe_extract_path(sandbox, info.filename) is None:
+                        return False, f"Unsafe path in backup: {info.filename}", {}
+
+            try:
+                manifest_raw = zf.read(MANIFEST_NAME).decode("utf-8")
+                manifest = json.loads(manifest_raw)
+            except (OSError, UnicodeDecodeError, json.JSONDecodeError) as e:
+                return False, f"Invalid manifest.json: {e}", {}
+
+            if not isinstance(manifest, dict) or "schema_version" not in manifest:
+                return False, "Invalid manifest structure", {}
+            if manifest.get("schema_version") != SCHEMA_VERSION:
+                return (
+                    False,
+                    f"Unsupported backup schema version: {manifest.get('schema_version')}",
+                    {},
+                )
+
+            detected: List[str] = []
+            if _CONFIG_REL.as_posix() in names:
+                detected.append("config")
+            if _SECRETS_REL.as_posix() in names:
+                detected.append("secrets")
+            if _WIFI_REL.as_posix() in names:
+                detected.append("wifi")
+            if any(n.startswith(_FONTS_REL.as_posix() + "/") for n in names):
+                detected.append("fonts")
+            if any(
+                n.startswith(_PLUGIN_UPLOADS_REL.as_posix() + "/") and "/uploads/" in n
+                for n in names
+            ):
+                detected.append("plugin_uploads")
+
+            plugins: List[Dict[str, Any]] = []
+            if PLUGINS_MANIFEST_NAME in names:
+                try:
+                    plugins = json.loads(zf.read(PLUGINS_MANIFEST_NAME).decode("utf-8"))
+                    if not isinstance(plugins, list):
+                        plugins = []
+                    else:
+                        detected.append("plugins")
+                except (OSError, UnicodeDecodeError, json.JSONDecodeError):
+                    plugins = []
+
+            result_manifest = dict(manifest)
+            result_manifest["detected_contents"] = detected
+            result_manifest["plugins"] = plugins
+            result_manifest["total_uncompressed"] = total
+            result_manifest["file_count"] = len(names)
+            return True, "", result_manifest
+    except zipfile.BadZipFile:
+        return False, "File is not a valid ZIP archive", {}
+    except OSError as e:
+        return False, f"Could not read backup: {e}", {}
+
+
+# ---------------------------------------------------------------------------
+# Restore
+# ---------------------------------------------------------------------------
+
+
+def _extract_zip_safe(zip_path: Path, dest_dir: Path) -> None:
+    """Extract ``zip_path`` into ``dest_dir`` rejecting any unsafe members."""
+    with zipfile.ZipFile(zip_path, "r") as zf:
+        for info in zf.infolist():
+            target = _safe_extract_path(dest_dir, info.filename)
+            if target is None:
+                raise ValueError(f"Unsafe path in backup: {info.filename}")
+            if info.is_dir():
+                target.mkdir(parents=True, exist_ok=True)
+                continue
+            target.parent.mkdir(parents=True, exist_ok=True)
+            with zf.open(info, "r") as src, open(target, "wb") as dst:
+                shutil.copyfileobj(src, dst, length=64 * 1024)
+
+
+def _copy_file(src: Path, dst: Path) -> None:
+    dst.parent.mkdir(parents=True, exist_ok=True)
+    shutil.copy2(src, dst)
+
+
+def restore_backup(
+    zip_path: Path,
+    project_root: Path,
+    options: Optional[RestoreOptions] = None,
+) -> RestoreResult:
+    """
+    Restore ``zip_path`` into ``project_root`` according to ``options``.
+
+    Plugin reinstalls are NOT performed here — the caller is responsible for
+    walking ``result.plugins_to_install`` and calling the store manager. This
+    keeps this module Flask-free and side-effect free beyond the filesystem.
+    """
+    if options is None:
+        options = RestoreOptions()
+    project_root = Path(project_root).resolve()
+    result = RestoreResult()
+
+    ok, err, manifest = validate_backup(zip_path)
+    if not ok:
+        result.errors.append(err)
+        return result
+    result.manifest = manifest
+
+    with tempfile.TemporaryDirectory(prefix="ledmatrix_restore_") as tmp:
+        tmp_dir = Path(tmp)
+        try:
+            _extract_zip_safe(Path(zip_path), tmp_dir)
+        except (ValueError, zipfile.BadZipFile, OSError) as e:
+            result.errors.append(f"Failed to extract backup: {e}")
+            return result
+
+        # Main config.
+        if options.restore_config and (tmp_dir / _CONFIG_REL).exists():
+            try:
+                _copy_file(tmp_dir / _CONFIG_REL, project_root / _CONFIG_REL)
+                result.restored.append("config")
+            except OSError as e:
+                result.errors.append(f"Failed to restore config.json: {e}")
+        elif (tmp_dir / _CONFIG_REL).exists():
+            result.skipped.append("config")
+
+        # Secrets.
+        if options.restore_secrets and (tmp_dir / _SECRETS_REL).exists():
+            try:
+                _copy_file(tmp_dir / _SECRETS_REL, project_root / _SECRETS_REL)
+                result.restored.append("secrets")
+            except OSError as e:
+                result.errors.append(f"Failed to restore config_secrets.json: {e}")
+        elif (tmp_dir / _SECRETS_REL).exists():
+            result.skipped.append("secrets")
+
+        # WiFi.
+        if options.restore_wifi and (tmp_dir / _WIFI_REL).exists():
+            try:
+                _copy_file(tmp_dir / _WIFI_REL, project_root / _WIFI_REL)
+                result.restored.append("wifi")
+            except OSError as e:
+                result.errors.append(f"Failed to restore wifi_config.json: {e}")
+        elif (tmp_dir / _WIFI_REL).exists():
+            result.skipped.append("wifi")
+
+        # User fonts — skip anything that collides with a bundled font.
+        tmp_fonts = tmp_dir / _FONTS_REL
+        if options.restore_fonts and tmp_fonts.exists():
+            restored_count = 0
+            for font in sorted(tmp_fonts.iterdir()):
+                if not font.is_file():
+                    continue
+                if font.name in BUNDLED_FONTS:
+                    result.skipped.append(f"font:{font.name} (bundled)")
+                    continue
+                try:
+                    _copy_file(font, project_root / _FONTS_REL / font.name)
+                    restored_count += 1
+                except OSError as e:
+                    result.errors.append(f"Failed to restore font {font.name}: {e}")
+            if restored_count:
+                result.restored.append(f"fonts ({restored_count})")
+        elif tmp_fonts.exists():
+            result.skipped.append("fonts")
+
+        # Plugin uploads.
+        tmp_uploads = tmp_dir / _PLUGIN_UPLOADS_REL
+        if options.restore_plugin_uploads and tmp_uploads.exists():
+            count = 0
+            for root, _dirs, files in os.walk(tmp_uploads):
+                for name in files:
+                    src = Path(root) / name
+                    rel = src.relative_to(tmp_dir)
+                    if "/uploads/" not in rel.as_posix():
+                        result.errors.append(f"Rejected unexpected plugin path: {rel}")
+                        continue
+                    try:
+                        _copy_file(src, project_root / rel)
+                        count += 1
+                    except OSError as e:
+                        result.errors.append(f"Failed to restore {rel}: {e}")
+            if count:
+                result.restored.append(f"plugin_uploads ({count})")
+        elif tmp_uploads.exists():
+            result.skipped.append("plugin_uploads")
+
+        # Plugins list (for caller to reinstall).
+        if options.reinstall_plugins and (tmp_dir / PLUGINS_MANIFEST_NAME).exists():
+            try:
+                with (tmp_dir / PLUGINS_MANIFEST_NAME).open("r", encoding="utf-8") as f:
+                    plugins = json.load(f)
+                if isinstance(plugins, list):
+                    result.plugins_to_install = [
+                        {"plugin_id": p.get("plugin_id"), "version": p.get("version", "")}
+                        for p in plugins
+                        if isinstance(p, dict) and p.get("plugin_id")
+                    ]
+            except (OSError, json.JSONDecodeError) as e:
+                result.errors.append(f"Could not read plugins.json: {e}")
+
+    result.success = not result.errors
+    return result

src/base_classes/api_extractors.py

@@ -7,7 +7,7 @@ fields and data structures.
 """
 
 from abc import ABC, abstractmethod
-from typing import Dict, Any, Optional, List
+from typing import Dict, Optional
 import logging
 from datetime import datetime
 import pytz
@@ -21,12 +21,10 @@ class APIDataExtractor(ABC):
     @abstractmethod
     def extract_game_details(self, game_event: Dict) -> Optional[Dict]:
         """Extract common game details from raw API data."""
-        pass
     
     @abstractmethod
     def get_sport_specific_fields(self, game_event: Dict) -> Dict:
         """Extract sport-specific fields (downs, innings, periods, etc.)."""
-        pass
     
     def _extract_common_details(self, game_event: Dict) -> tuple[Dict | None, Dict | None, Dict | None, Dict | None, Dict | None]:
         """Extract common game details that work across all sports."""

src/base_classes/baseball.py

@@ -329,7 +329,6 @@ class Baseball(SportsCore):
             return
         
         series_summary = game.get("series_summary", "")
-        font = self.fonts.get('detail', ImageFont.load_default())
         bbox = draw_overlay.textbbox((0, 0), series_summary, font=self.fonts['time'])
         height = bbox[3] - bbox[1]
         shots_y = (self.display_height - height) // 2

src/base_classes/basketball.py

@@ -1,6 +1,4 @@
 import logging
-import time
-from datetime import datetime, timezone
 from typing import Any, Dict, Optional
 
 from PIL import Image, ImageDraw, ImageFont

src/base_classes/data_sources.py

@@ -6,11 +6,10 @@ to support different APIs and data providers.
 """
 
 from abc import ABC, abstractmethod
-from typing import Dict, Any, Optional, List
+from typing import Dict, List
 import requests
 import logging
-from datetime import datetime, timedelta
+from datetime import datetime
-import time
 
 class DataSource(ABC):
     """Abstract base class for data sources."""
@@ -35,17 +34,14 @@ class DataSource(ABC):
     @abstractmethod
     def fetch_live_games(self, sport: str, league: str) -> List[Dict]:
         """Fetch live games for a sport/league."""
-        pass
     
     @abstractmethod
     def fetch_schedule(self, sport: str, league: str, date_range: tuple) -> List[Dict]:
         """Fetch schedule for a sport/league within date range."""
-        pass
     
     @abstractmethod
     def fetch_standings(self, sport: str, league: str) -> Dict:
         """Fetch standings for a sport/league."""
-        pass
     
     def get_headers(self) -> Dict[str, str]:
         """Get headers for API requests."""
@@ -217,7 +213,7 @@ class MLBAPIDataSource(DataSource):
             response.raise_for_status()
             
             data = response.json()
-            self.logger.debug(f"Fetched standings from MLB API")
+            self.logger.debug("Fetched standings from MLB API")
             return data
             
         except Exception as e:
@@ -296,7 +292,7 @@ class SoccerAPIDataSource(DataSource):
             response.raise_for_status()
             
             data = response.json()
-            self.logger.debug(f"Fetched standings from soccer API")
+            self.logger.debug("Fetched standings from soccer API")
             return data
             
         except Exception as e:

src/base_classes/football.py

@@ -1,10 +1,8 @@
-from typing import Dict, Any, Optional, List
+from typing import Dict, Any, Optional
 from src.display_manager import DisplayManager
 from src.cache_manager import CacheManager
-from datetime import datetime, timezone, timedelta
 import logging
 from PIL import Image, ImageDraw, ImageFont
-import time
 from src.base_classes.data_sources import ESPNDataSource
 from src.base_classes.sports import SportsCore, SportsLive
 

src/base_classes/hockey.py

@@ -1,6 +1,4 @@
 import logging
-import time
-from datetime import datetime, timezone
 from typing import Any, Dict, Optional
 
 from PIL import Image, ImageDraw, ImageFont
@@ -79,8 +77,6 @@ class Hockey(SportsCore):
                 away_shots = round(home_team_saves / home_team_saves_per)
             if away_team_saves_per > 0:
                 home_shots = round(away_team_saves / away_team_saves_per)
-            status_short = status["type"].get("shortDetail", "")
-
             if situation and status["type"]["state"] == "in":
                 # Detect scoring events from status detail
                 # status_detail = status["type"].get("detail", "")

src/base_classes/sports.py

@@ -5,7 +5,7 @@ import time
 from abc import ABC, abstractmethod
 from datetime import datetime, timedelta, timezone
 from pathlib import Path
-from typing import Any, Callable, Dict, List, Optional
+from typing import Any, Dict, List, Optional
 
 import pytz
 import requests
@@ -172,8 +172,8 @@ class SportsCore(ABC):
 
         try:
             fallbacks.append(Path.home() / ".ledmatrix" / "logos" / self.sport_key)
-        except Exception:
+        except RuntimeError as e:
-            pass
+            self.logger.debug("Could not resolve home directory (expected for service users): %s", e)
 
         fallbacks.append(Path(tempfile.gettempdir()) / "ledmatrix_logos" / self.sport_key)
 
@@ -416,7 +416,6 @@ class SportsCore(ABC):
                 league=self.league,
                 event_id=game['id'],
                 update_interval_seconds=update_interval,
-                is_live=is_live
             )
             
             if odds_data:

src/base_odds_manager.py

@@ -11,21 +11,10 @@ Follows LEDMatrix configuration management patterns:
 - Maintainable: Changes to odds logic affect all plugins
 """
 
-import time
 import logging
 import requests
 import json
-from datetime import datetime, timedelta, timezone
 from typing import Dict, Any, Optional, List
-import pytz
-
-# Import the API counter function from web interface
-try:
-    from web_interface_v2 import increment_api_counter
-except ImportError:
-    # Fallback if web interface is not available
-    def increment_api_counter(kind: str, count: int = 1):
-        pass
 
 
 class BaseOddsManager:
@@ -132,8 +121,6 @@ class BaseOddsManager:
             response.raise_for_status()
             raw_data = response.json()
 
-            # Increment API counter for odds data
-            increment_api_counter('odds', 1)
             self.logger.debug(f"Received raw odds data from ESPN: {json.dumps(raw_data, indent=2)}")
             
             odds_data = self._extract_espn_data(raw_data)

src/cache/cache_strategy.py

@@ -194,18 +194,20 @@ class CacheStrategy:
         """
         key_lower = key.lower()
 
-        # Odds data — checked FIRST because odds keys may also contain 'live'/'current'
+        # Odds data — checked before the generic 'live' block below because
-        # (e.g. odds_espn_nba_game_123_live). The odds TTL (120s for live, 1800s for
+        # live-odds cache keys (e.g. odds_espn_basketball_nba_<id>_live) contain
-        # upcoming) must win over the generic sports_live TTL (30s) to avoid hitting
+        # both 'odds' AND 'live'.  Without this ordering the 'live' check below
-        # the ESPN odds API every 30 seconds per game.
+        # would match first and return 'sports_live' (30 s TTL) instead of the
+        # correct 'odds_live' (120 s TTL).
         if 'odds' in key_lower:
-            # For live games, use shorter cache; for upcoming games, use longer cache
             if any(x in key_lower for x in ['live', 'current']):
-                return 'odds_live'  # Live odds change more frequently (120s TTL)
+                return 'odds_live'  # Live odds change more frequently
-            return 'odds'  # Regular odds for upcoming games (1800s TTL)
+            return 'odds'  # Regular odds for upcoming games
 
-        # Live sports data (only reached if key does NOT contain 'odds')
+        # Live sports data
         if any(x in key_lower for x in ['live', 'current', 'scoreboard']):
+            if 'soccer' in key_lower:
+                return 'sports_live'  # Soccer live data is very time-sensitive
             return 'sports_live'
 
         # Weather data

src/cache/disk_cache.py

@@ -13,7 +13,6 @@ import threading
 from typing import Dict, Any, Optional, Protocol
 from datetime import datetime
 
-from src.exceptions import CacheError
 
 
 class CacheStrategyProtocol(Protocol):
@@ -184,7 +183,7 @@ class DiskCache:
                             os.replace(tmp_path, cache_path)
                             # Set proper permissions: 660 (rw-rw----) for group-readable cache files
                             try:
-                                os.chmod(cache_path, 0o660)
+                                os.chmod(cache_path, 0o660)  # nosec B103 - intentional; web UI and service share a group
                             except OSError:
                                 pass  # Non-critical if chmod fails
                         finally:
@@ -202,7 +201,7 @@ class DiskCache:
                                 os.fsync(cache_file.fileno())
                             # Set proper permissions: 660 (rw-rw----) for group-readable cache files
                             try:
-                                os.chmod(cache_path, 0o660)
+                                os.chmod(cache_path, 0o660)  # nosec B103 - intentional; web UI and service share a group
                             except OSError:
                                 pass  # Non-critical if chmod fails
                             self.logger.debug("Wrote cache for %s directly (non-atomic)", key)
@@ -210,7 +209,7 @@ class DiskCache:
                             # If direct write also fails, try fallback location
                             self.logger.warning("Direct write failed for key '%s' to %s: %s", key, cache_path, write_error)
                             raise  # Re-raise to trigger fallback logic
-                except (IOError, OSError, PermissionError) as e:
+                except (IOError, OSError, PermissionError):
                     # Attempt one-time fallback write to user's home cache directory
                     try:
                         # Try user's home cache directory as fallback
@@ -228,7 +227,7 @@ class DiskCache:
                                 json.dump(data, tmp_file, indent=4, cls=DateTimeEncoder)
                             # Set proper permissions: 660 (rw-rw----) for group-readable cache files
                             try:
-                                os.chmod(fallback_path, 0o660)
+                                os.chmod(fallback_path, 0o660)  # nosec B103 - intentional; web UI and service share a group
                             except OSError:
                                 pass  # Non-critical if chmod fails
                             self.logger.debug("Cache wrote to fallback location: %s", fallback_path)

src/cache_manager.py

@@ -7,7 +7,6 @@ from typing import Any, Dict, List, Optional
 import logging
 import threading
 import tempfile
-from pathlib import Path
 from src.exceptions import CacheError
 from src.cache.memory_cache import MemoryCache
 from src.cache.disk_cache import DiskCache
@@ -111,7 +110,7 @@ class CacheManager:
                     if os.access(system_cache_dir, os.W_OK):
                         self.logger.info(f"Using system cache directory: {system_cache_dir}")
                         return system_cache_dir
-                except (OSError, IOError, PermissionError) as perm_error:
+                except (OSError, IOError, PermissionError):
                     # Permission errors are expected when running as non-root
                     self.logger.debug(f"Could not create system cache directory (permission denied): {system_cache_dir}")
         except (OSError, IOError, PermissionError) as e:
@@ -320,18 +319,43 @@ class CacheManager:
         return None
 
     def clear_cache(self, key: Optional[str] = None) -> None:
-        """Clear cache for a specific key or all keys."""
+        """Clear cache entries.
-        if key:
+
-            # Clear specific key
+        Pass a non-empty ``key`` to remove a single entry, or pass
-            self._memory_cache_component.clear(key)
+        ``None`` (the default) to clear every cached entry. An empty
-            self._disk_cache_component.clear(key)
+        string is rejected to prevent accidental whole-cache wipes
-            self.logger.info("Cleared cache for key: %s", key)
+        from callers that pass through unvalidated input.
-        else:
+        """
+        if key is None:
             # Clear all keys
             memory_count = self._memory_cache_component.size()
             self._memory_cache_component.clear()
             self._disk_cache_component.clear()
             self.logger.info("Cleared all cache: %d memory entries", memory_count)
+            return
+
+        if not isinstance(key, str) or not key:
+            raise ValueError(
+                "clear_cache(key) requires a non-empty string; "
+                "pass key=None to clear all entries"
+            )
+
+        # Clear specific key
+        self._memory_cache_component.clear(key)
+        self._disk_cache_component.clear(key)
+        self.logger.info("Cleared cache for key: %s", key)
+
+    def delete(self, key: str) -> None:
+        """Remove a single cache entry.
+
+        Thin wrapper around :meth:`clear_cache` that **requires** a
+        non-empty string key — unlike ``clear_cache(None)`` it never
+        wipes every entry. Raises ``ValueError`` on ``None`` or an
+        empty string.
+        """
+        if key is None or not isinstance(key, str) or not key:
+            raise ValueError("delete(key) requires a non-empty string key")
+        self.clear_cache(key)
 
     def list_cache_files(self) -> List[Dict[str, Any]]:
         """List all cache files with metadata (key, age, size, path).

src/common/README.md

@@ -71,6 +71,17 @@ General-purpose utility functions:
 - Boolean parsing
 - Logger creation (deprecated - use `src.logging_config.get_logger()`)
 
+## Permission Utilities (`permission_utils.py`)
+
+Helpers for ensuring directory permissions and ownership are correct
+when running as a service (used by `CacheManager` to set up its
+persistent cache directory).
+
+## CLI Helpers (`cli.py`)
+
+Shared CLI argument parsing helpers used by `scripts/dev/*` and other
+command-line entry points.
+
 ## Best Practices
 
 1. **Use centralized logging**: Import from `src.logging_config` instead of creating loggers directly

src/common/api_helper.py

@@ -5,13 +5,10 @@ Handles HTTP requests, caching, and ESPN API integration for LED matrix plugins.
 Extracted from LEDMatrix core to provide reusable functionality for plugins.
 """
 
-import json
 import logging
 import time
-from datetime import datetime, timedelta
+from datetime import datetime
-from pathlib import Path
+from typing import Any, Dict, Optional
-from typing import Any, Dict, List, Optional, Union
-from urllib.parse import urlencode
 
 import requests
 from requests.adapters import HTTPAdapter

src/common/basketball_plugin_example.py

@@ -5,11 +5,9 @@ This example shows how to refactor the basketball plugin to use the
 ledmatrix-common package for cleaner, more maintainable code.
 """
 
-import logging
 from pathlib import Path
 from typing import Any, Dict, List, Optional
 
-from PIL import Image, ImageDraw
 
 # Import common helpers
 from src.common import (

src/common/cli.py

@@ -42,7 +42,7 @@ def test_utilities(display_width: int, display_height: int):
     print(f"Testing LEDMatrix Common utilities with {display_width}x{display_height} display")
     
     try:
-        from ledmatrix_common import LogoHelper, TextHelper, APIHelper, DisplayHelper, GameHelper, ConfigHelper
+        from ledmatrix_common import LogoHelper, TextHelper, DisplayHelper, GameHelper, ConfigHelper
         
         # Test LogoHelper
         print("Testing LogoHelper...")
@@ -63,12 +63,12 @@ def test_utilities(display_width: int, display_height: int):
         
         # Test GameHelper
         print("Testing GameHelper...")
-        game_helper = GameHelper()
+        GameHelper()
         print("GameHelper initialized")
 
         # Test ConfigHelper
         print("Testing ConfigHelper...")
-        config_helper = ConfigHelper()
+        ConfigHelper()
         print("ConfigHelper initialized")
         
         print("All tests passed!")

src/common/display_helper.py

@@ -6,7 +6,7 @@ Extracted from LEDMatrix core to provide reusable functionality for plugins.
 """
 
 import logging
-from typing import Any, Dict, List, Optional, Tuple, Union
+from typing import Any, Dict, Optional, Tuple
 
 from PIL import Image, ImageDraw, ImageFont
 
@@ -166,8 +166,7 @@ class DisplayHelper:
         img = self.create_base_image(background_color)
         draw = ImageDraw.Draw(img)
         
-        # Calculate text position (start off-screen to the right)
+        # Start text off-screen to the right
-        text_width = draw.textlength(text, font=font)
         x_position = self.display_width
         
         # Draw text
@@ -216,7 +215,6 @@ class DisplayHelper:
             PIL Image with error message
         """
         img = self.create_base_image((50, 0, 0))  # Dark red background
-        draw = ImageDraw.Draw(img)
 
         # Use default font
         font = ImageFont.load_default()

src/common/logo_helper.py

@@ -6,10 +6,8 @@ Extracted from LEDMatrix core to provide reusable functionality for plugins.
 """
 
 import logging
-import os
 from pathlib import Path
 from typing import Dict, List, Optional, Union
-from urllib.parse import urlparse
 
 import requests
 from PIL import Image

src/common/permission_utils.py

@@ -17,7 +17,7 @@ logger = logging.getLogger(__name__)
 
 # System directories that should never have their permissions modified
 # These directories have special system-level permissions that must be preserved
-PROTECTED_SYSTEM_DIRECTORIES = {
+PROTECTED_SYSTEM_DIRECTORIES = {  # nosec B108 - these are checked to PREVENT permission changes, not to use as temp paths
     '/tmp',
     '/var/tmp',
     '/dev',

src/common/sync_manager.py

@@ -0,0 +1,651 @@
+"""
+Multi-Display Sync Manager
+
+Synchronizes scrolling content across two LED matrix display units over UDP.
+Runs at the core framework level — works with any plugin automatically.
+
+Roles:
+  standalone  No sync (default behavior)
+  leader      Drives scroll, sends rendered follower frames via UDP
+  follower    Receives frames from leader; falls back to own plugins when
+              the leader goes offline
+
+Compatibility rule: rows and cols must match between leader and follower.
+chain_length may differ — each display can have a different number of panels.
+
+Port default: 5765 (UDP). Open this port on both Pis if ufw is active:
+  sudo ufw allow 5765/udp
+"""
+
+import io
+import json
+import os
+import socket
+import struct
+import tempfile
+import threading
+import time
+import logging
+from enum import Enum
+from typing import Callable, Optional
+import numpy as np
+from PIL import Image
+
+# Raw-frame wire format: 8-byte magic + 4-byte header + raw RGB pixels
+# Much faster than PNG: no encode/decode, negligible CPU, same UDP packet size
+_RAW_MAGIC = b'SYNC_RAW'
+_RAW_HEADER = struct.Struct('<HH')  # width, height (uint16 LE)
+
+
+SYNC_PORT = 5765
+HELLO_INTERVAL = 5.0       # follower broadcasts hello every 5 s
+HEARTBEAT_INTERVAL = 2.0   # follower sends heartbeat every 2 s
+PEER_TIMEOUT = 6.0         # leader: no heartbeat → follower gone
+LEADER_TIMEOUT = 6.0       # follower: no frame → leader gone
+STATUS_FILE = os.path.join(tempfile.gettempdir(), "led_matrix_sync_status.json")
+
+
+class SyncRole(Enum):
+    STANDALONE = "standalone"
+    LEADER = "leader"
+    FOLLOWER = "follower"
+
+
+class LeaderState(Enum):
+    NO_PEER = "no_peer"
+    CONNECTED = "connected"
+    INCOMPATIBLE = "incompatible"
+
+
+class FollowerState(Enum):
+    STANDALONE = "standalone"
+    FOLLOWER = "follower"
+
+
+class DisplaySyncManager:
+    """
+    Core sync manager.  Instantiated by DisplayController based on config['sync'].
+    Leader sends compressed PNG frames to the follower after each render cycle.
+    Follower renders received frames; returns to own plugin stack when leader
+    goes offline.
+    """
+
+    def __init__(
+        self,
+        role_str: str,
+        cfg: dict,
+        hw_config: dict,
+        logger: logging.Logger,
+    ) -> None:
+        """
+        Args:
+            role_str:   "standalone" | "leader" | "follower"
+            cfg:        config['sync'] dict
+            hw_config:  config['display']['hardware'] dict (this Pi's own config)
+            logger:     framework logger
+        """
+        try:
+            self.role = SyncRole(role_str)
+        except ValueError:
+            logger.warning("Invalid sync role '%s', defaulting to standalone", role_str)
+            self.role = SyncRole.STANDALONE
+
+        self.logger = logger
+        self.port = int(cfg.get("port", SYNC_PORT))
+        self._hw_config = hw_config
+
+        # Leader state
+        self._leader_state = LeaderState.NO_PEER
+        self._peer_ip: Optional[str] = None
+        self._peer_compatible: bool = False
+        self._peer_chain: int = 0
+        self._last_heartbeat_time: float = 0.0
+        self._leader_width: int = 0  # set by display_controller after init
+
+        # Follower state
+        self._follower_state = FollowerState.STANDALONE
+        self._latest_frame: Optional[Image.Image] = None  # pixel-frame fallback
+        self._latest_scroll_x: Optional[float] = None    # Vegas scroll position
+        self._last_leader_frame_time: float = 0.0
+        self._frame_lock = threading.Lock()
+        self._leader_ip: Optional[str] = None
+        self._on_new_cycle: Optional[Callable[[], None]] = None       # called when leader starts new cycle
+        self._on_scroll_image: Optional[Callable[[Image.Image], None]] = None   # called with Image when received
+        self._pending_scroll_image: Optional[Image.Image] = None  # image received before callback set
+        self._scroll_image_lock = threading.Lock()         # guards _on_scroll_image / _pending_scroll_image
+        self._img_server_sock = None                        # TCP server for scroll image transfer
+
+        # Leader state additions
+        self._on_follower_connected: Optional[Callable[[], None]] = None  # called when follower connects
+
+        self._error_message: Optional[str] = None
+        self._running = False
+        self._recv_sock: Optional[socket.socket] = None
+        self._send_sock: Optional[socket.socket] = None
+
+        if self.role == SyncRole.STANDALONE:
+            return
+
+        if self.role == SyncRole.LEADER:
+            self._start_leader()
+        elif self.role == SyncRole.FOLLOWER:
+            self._start_follower()
+
+    # ------------------------------------------------------------------ #
+    # Leader setup                                                         #
+    # ------------------------------------------------------------------ #
+
+    def _start_leader(self) -> None:
+        # Receive socket: listens for hello + heartbeat from follower
+        self._recv_sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)  # nosec B104
+        self._recv_sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+        self._recv_sock.bind(("", self.port))  # nosec B104 — intentional: must receive UDP broadcast on all interfaces
+        self._recv_sock.settimeout(1.0)
+
+        # Send socket: unicast frames + hello_ack to follower
+        self._send_sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+
+        self._running = True
+        threading.Thread(
+            target=self._leader_recv_loop, daemon=True, name="sync-leader-recv"
+        ).start()
+        threading.Thread(
+            target=self._leader_watchdog, daemon=True, name="sync-leader-watchdog"
+        ).start()
+        self.logger.info("Sync: leader started on UDP port %d", self.port)
+        self.write_status_file()
+
+    def _leader_recv_loop(self) -> None:
+        while self._running:
+            try:
+                data, addr = self._recv_sock.recvfrom(1024)
+                sender_ip = addr[0]
+                try:
+                    msg = json.loads(data.decode("utf-8"))
+                except (json.JSONDecodeError, UnicodeDecodeError):
+                    continue
+                t = msg.get("t")
+                if t == "hello":
+                    self._handle_hello(msg, sender_ip)
+                elif t == "hb":
+                    if self._peer_ip == sender_ip:
+                        self._last_heartbeat_time = time.time()
+            except socket.timeout:
+                continue
+            except Exception as exc:
+                self.logger.debug("Sync leader recv error: %s", exc)
+
+    def _handle_hello(self, msg: dict, sender_ip: str) -> None:
+        hw = self._hw_config
+        local_rows = hw.get("rows", 32)
+        local_cols = hw.get("cols", 64)
+        peer_rows = int(msg.get("rows", 0))
+        peer_cols = int(msg.get("cols", 0))
+        peer_chain = int(msg.get("chain", 1))
+
+        compatible = peer_rows == local_rows and peer_cols == local_cols
+
+        self._peer_ip = sender_ip
+        self._peer_compatible = compatible
+        self._peer_chain = peer_chain
+        self._last_heartbeat_time = time.time()
+
+        prev_state = self._leader_state
+        if compatible:
+            if prev_state != LeaderState.CONNECTED:
+                self.logger.info(
+                    "Sync: follower connected at %s (chain=%d)", sender_ip, peer_chain
+                )
+            self._leader_state = LeaderState.CONNECTED
+            self._error_message = None
+            # Send scroll image immediately on new connection so follower has identical content
+            if prev_state != LeaderState.CONNECTED and self._on_follower_connected:
+                threading.Thread(
+                    target=self._on_follower_connected,
+                    daemon=True, name="sync-leader-img-push"
+                ).start()
+        else:
+            self._leader_state = LeaderState.INCOMPATIBLE
+            self._error_message = (
+                f"Incompatible panels: follower is {peer_cols}x{peer_rows}, "
+                f"leader is {local_cols}x{local_rows}. "
+                f"rows and cols must match between displays."
+            )
+            if prev_state != LeaderState.INCOMPATIBLE:
+                self.logger.error("Sync: %s", self._error_message)
+
+        if self._leader_state != prev_state:
+            self.write_status_file()
+
+        ack = json.dumps({
+            "t": "hello_ack",
+            "compatible": compatible,
+            "leader_width": self._leader_width,
+            "error": self._error_message,
+        }).encode("utf-8")
+        try:
+            self._send_sock.sendto(ack, (sender_ip, self.port))
+        except Exception as exc:
+            self.logger.debug("Sync: hello_ack send failed: %s", exc)
+
+    def _leader_watchdog(self) -> None:
+        while self._running:
+            time.sleep(1.0)
+            if self._leader_state == LeaderState.CONNECTED:
+                if time.time() - self._last_heartbeat_time > PEER_TIMEOUT:
+                    self.logger.info(
+                        "Sync: follower heartbeat timeout — peer disconnected"
+                    )
+                    self._leader_state = LeaderState.NO_PEER
+                    self._peer_ip = None
+                    self._peer_compatible = False
+                    self.write_status_file()
+
+    def _image_server_loop(self) -> None:
+        """Follower: TCP server that receives the leader's scroll image at each new cycle."""
+        while self._running:
+            try:
+                conn, addr = self._img_server_sock.accept()
+                conn.settimeout(10.0)
+                try:
+                    # 4-byte big-endian length prefix
+                    hdr = b""
+                    while len(hdr) < 4:
+                        chunk = conn.recv(4 - len(hdr))
+                        if not chunk:
+                            break
+                        hdr += chunk
+                    if len(hdr) < 4:
+                        continue
+                    length = int.from_bytes(hdr, "big")
+                    _MAX_IMAGE_BYTES = 10 * 1024 * 1024  # 10 MB — well above any real scroll image
+                    if length <= 0 or length > _MAX_IMAGE_BYTES:
+                        self.logger.warning(
+                            "Sync: rejected TCP image with invalid length %d (max %d) from %s",
+                            length, _MAX_IMAGE_BYTES, addr,
+                        )
+                        conn.close()
+                        continue
+                    data = bytearray()
+                    while len(data) < length:
+                        chunk = conn.recv(min(65536, length - len(data)))
+                        if not chunk:
+                            break
+                        data.extend(chunk)
+                    img = Image.open(io.BytesIO(data))
+                    _MAX_W, _MAX_H = 100_000, 256  # generous for any real scroll image
+                    if img.width > _MAX_W or img.height > _MAX_H:
+                        self.logger.warning(
+                            "Sync: rejected oversized scroll image %dx%d (max %dx%d) from %s",
+                            img.width, img.height, _MAX_W, _MAX_H, addr,
+                        )
+                        continue
+                    try:
+                        img.load()
+                    except (Image.DecompressionBombError, ValueError) as exc:
+                        self.logger.warning("Sync: rejected decompression bomb from %s: %s", addr, exc)
+                        continue
+                    self.logger.info(
+                        "Sync: received scroll image %dx%d (%d bytes compressed)",
+                        img.width, img.height, length,
+                    )
+                    with self._scroll_image_lock:
+                        if self._on_scroll_image:
+                            cb = self._on_scroll_image
+                        else:
+                            # Callback not registered yet (startup race) — cache it
+                            self._pending_scroll_image = img
+                            cb = None
+                    if cb:
+                        cb(img)
+                finally:
+                    conn.close()
+            except socket.timeout:
+                continue
+            except Exception as exc:
+                self.logger.debug("Sync: image server error: %s", exc)
+
+    def send_scroll_image(self, image: Image.Image) -> None:
+        """Leader: send the full scroll image to the follower via TCP.
+        PNG compression typically reduces a 5000×32 image to ~20–50KB,
+        transferring in <20ms on local WiFi. Called at new_cycle and on
+        first connection so both Pis always have identical cached_arrays.
+        """
+        if self.role != SyncRole.LEADER:
+            return
+        if self._leader_state != LeaderState.CONNECTED or not self._peer_ip:
+            return
+        try:
+            buf = io.BytesIO()
+            image.save(buf, format="PNG", optimize=True)
+            data = buf.getvalue()
+            with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
+                sock.settimeout(5.0)
+                sock.connect((self._peer_ip, self.port + 1))
+                sock.sendall(len(data).to_bytes(4, "big") + data)
+            self.logger.info(
+                "Sync: sent scroll image %dx%d (%d bytes compressed)",
+                image.width, image.height, len(data),
+            )
+        except Exception as exc:
+            self.logger.debug("Sync: image send error: %s", exc)
+
+    def set_on_follower_connected(self, callback: Callable[[], None]) -> None:
+        """Leader: callback fired (in a thread) when a compatible follower first connects.
+        Use this to push the current scroll image immediately.
+        If a follower is already connected when this is called, fires right away
+        (handles the race where follower connects during leader startup).
+        """
+        self._on_follower_connected = callback
+        if self._leader_state == LeaderState.CONNECTED:
+            threading.Thread(
+                target=callback, daemon=True, name="sync-leader-img-push-late"
+            ).start()
+
+    def set_on_scroll_image(self, callback: Callable[[Image.Image], None]) -> None:
+        """Follower: callback fired with the received Image when leader sends scroll image.
+        If an image was received before this callback was registered (startup race),
+        fires immediately with that cached image.
+        """
+        with self._scroll_image_lock:
+            self._on_scroll_image = callback
+            pending = self._pending_scroll_image
+            self._pending_scroll_image = None
+        if pending is not None:
+            callback(pending)
+
+    def send_scroll_x(self, scroll_x: float) -> None:
+        """Leader (Vegas mode): broadcast scroll position instead of a pixel frame.
+        The follower renders from its own local pipeline at scroll_x - display_width.
+        ~20 bytes vs ~18KB for raw frames — eliminates all content-change artifacts.
+        """
+        if self.role != SyncRole.LEADER:
+            return
+        if self._leader_state != LeaderState.CONNECTED or not self._peer_ip:
+            return
+        try:
+            msg = json.dumps({"t": "sx", "x": round(scroll_x, 2)}).encode("utf-8")
+            self._send_sock.sendto(msg, (self._peer_ip, self.port))
+        except Exception as exc:
+            self.logger.debug("Sync: scroll_x send error: %s", exc)
+
+    def send_new_cycle(self) -> None:
+        """Leader: signal that a new scroll cycle has started so follower rebuilds its image."""
+        if self.role != SyncRole.LEADER:
+            return
+        if self._leader_state != LeaderState.CONNECTED or not self._peer_ip:
+            return
+        try:
+            self._send_sock.sendto(b'{"t":"nc"}', (self._peer_ip, self.port))
+        except Exception as exc:
+            self.logger.debug("Sync: new_cycle send error: %s", exc)
+
+    def send_frame(self, image: Image.Image) -> None:
+        """Leader: send a rendered frame to the follower as raw RGB bytes.
+        Raw format is orders of magnitude faster than PNG on Pi hardware —
+        no encode on sender, no decode on receiver.
+        Packet: 8-byte magic + 4-byte (width, height) header + raw RGB bytes.
+        """
+        if self.role != SyncRole.LEADER:
+            return
+        if self._leader_state != LeaderState.CONNECTED or not self._peer_ip:
+            return
+        try:
+            arr = np.asarray(image.convert("RGB"), dtype=np.uint8)
+            header = _RAW_MAGIC + _RAW_HEADER.pack(image.width, image.height)
+            data = header + arr.tobytes()
+            if len(data) <= 65000:
+                self._send_sock.sendto(data, (self._peer_ip, self.port))
+            elif not getattr(self, '_oversized_frame_warned', False):
+                self._oversized_frame_warned = True
+                self.logger.warning(
+                    "Sync: frame too large for UDP (%d bytes, max 65000) — "
+                    "image %dx%d will not be sent; use TCP image sync instead",
+                    len(data), image.width, image.height,
+                )
+        except Exception as exc:
+            self.logger.debug("Sync: frame send error: %s", exc)
+
+    def set_leader_width(self, width: int) -> None:
+        """Called by DisplayController once display_manager.width is known."""
+        self._leader_width = width
+
+    # ------------------------------------------------------------------ #
+    # Follower setup                                                       #
+    # ------------------------------------------------------------------ #
+
+    def _start_follower(self) -> None:
+        # Receive socket: listens for frames + hello_ack from leader
+        self._recv_sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+        self._recv_sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+        self._recv_sock.bind(("", self.port))  # nosec B104 — intentional: must receive UDP broadcast on all interfaces
+        self._recv_sock.settimeout(0.1)
+
+        # Send socket: broadcasts hello + heartbeat
+        self._send_sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+        self._send_sock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
+
+        self._running = True
+        threading.Thread(
+            target=self._follower_recv_loop, daemon=True, name="sync-follower-recv"
+        ).start()
+        threading.Thread(
+            target=self._follower_announce_loop, daemon=True, name="sync-follower-announce"
+        ).start()
+        threading.Thread(
+            target=self._follower_watchdog, daemon=True, name="sync-follower-watchdog"
+        ).start()
+        # TCP server: receives scroll images from leader (port + 1)
+        self._img_server_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)  # nosec B104
+        self._img_server_sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+        self._img_server_sock.bind(("", self.port + 1))  # nosec B104 — intentional: TCP server must accept connections on all interfaces
+        self._img_server_sock.listen(1)
+        self._img_server_sock.settimeout(1.0)
+        threading.Thread(
+            target=self._image_server_loop, daemon=True, name="sync-image-server"
+        ).start()
+
+        self.logger.info(
+            "Sync: follower started on UDP port %d, image server on TCP %d",
+            self.port, self.port + 1,
+        )
+        self.write_status_file()
+
+    def _follower_recv_loop(self) -> None:
+        while self._running:
+            try:
+                data, addr = self._recv_sock.recvfrom(65535)
+                sender_ip = addr[0]
+
+                if data[:8] == _RAW_MAGIC or len(data) > 512:
+                    # Frame data: prefer magic-tagged raw RGB; fall back to legacy PNG
+                    try:
+                        if data[:8] == _RAW_MAGIC:
+                            w, h = _RAW_HEADER.unpack(data[8:12])
+                            raw = data[12:]
+                            img = Image.frombuffer(
+                                "RGB", (w, h), raw, "raw", "RGB", 0, 1
+                            )
+                        else:
+                            # Fallback: try legacy PNG
+                            img = Image.open(io.BytesIO(data))
+                            img.load()
+                        with self._frame_lock:
+                            self._latest_frame = img
+                        self._last_leader_frame_time = time.time()
+                        self._leader_ip = sender_ip
+
+                        if self._follower_state == FollowerState.STANDALONE:
+                            self._follower_state = FollowerState.FOLLOWER
+                            self.logger.info(
+                                "Sync: leader active at %s — switching to follower mode",
+                                sender_ip,
+                            )
+                            self.write_status_file()
+                    except Exception as exc:
+                        self.logger.debug("Sync: frame decode error: %s", exc)
+                else:
+                    # Control message
+                    try:
+                        msg = json.loads(data.decode("utf-8"))
+                        t = msg.get("t")
+                        if t == "hello_ack":
+                            self._leader_ip = sender_ip
+                            self._peer_compatible = msg.get("compatible", False)
+                            self._error_message = msg.get("error")
+                            if not self._peer_compatible and self._error_message:
+                                self.logger.error(
+                                    "Sync: leader rejected handshake — %s",
+                                    self._error_message,
+                                )
+                            self.write_status_file()
+                        elif t == "sx":
+                            # Vegas scroll-position sync — tiny message, renders locally
+                            self._latest_scroll_x = float(msg["x"])
+                            self._last_leader_frame_time = time.time()
+                            self._leader_ip = sender_ip
+                            if self._follower_state == FollowerState.STANDALONE:
+                                self._follower_state = FollowerState.FOLLOWER
+                                self.logger.info(
+                                    "Sync: leader active at %s — switching to follower mode",
+                                    sender_ip,
+                                )
+                                self.write_status_file()
+                                if self._on_new_cycle:
+                                    self._on_new_cycle()  # build initial scroll image
+                        elif t == "nc":
+                            # Leader started a new scroll cycle — rebuild local image
+                            if self._on_new_cycle:
+                                self._on_new_cycle()
+                    except (json.JSONDecodeError, UnicodeDecodeError, KeyError):
+                        pass
+
+            except socket.timeout:
+                continue
+            except Exception as exc:
+                self.logger.debug("Sync follower recv error: %s", exc)
+
+    def _follower_announce_loop(self) -> None:
+        hw = self._hw_config
+        hello = json.dumps({
+            "t": "hello",
+            "rows": hw.get("rows", 32),
+            "cols": hw.get("cols", 64),
+            "chain": hw.get("chain_length", 1),
+        }).encode("utf-8")
+        heartbeat = json.dumps({"t": "hb"}).encode("utf-8")
+        dest = ("<broadcast>", self.port)
+
+        last_hello = 0.0
+        last_hb = 0.0
+
+        while self._running:
+            now = time.time()
+            if now - last_hello >= HELLO_INTERVAL:
+                try:
+                    self._send_sock.sendto(hello, dest)
+                    last_hello = now
+                except Exception as exc:
+                    self.logger.debug("Sync: hello broadcast error: %s", exc)
+            if now - last_hb >= HEARTBEAT_INTERVAL:
+                try:
+                    self._send_sock.sendto(heartbeat, dest)
+                    last_hb = now
+                except Exception as exc:
+                    self.logger.debug("Sync: heartbeat error: %s", exc)
+            time.sleep(0.5)
+
+    def _follower_watchdog(self) -> None:
+        while self._running:
+            time.sleep(1.0)
+            if self._follower_state == FollowerState.FOLLOWER:
+                if time.time() - self._last_leader_frame_time > LEADER_TIMEOUT:
+                    self.logger.info(
+                        "Sync: leader frame timeout — returning to standalone mode"
+                    )
+                    self._follower_state = FollowerState.STANDALONE
+                    with self._frame_lock:
+                        self._latest_frame = None
+                    self.write_status_file()
+
+    # ------------------------------------------------------------------ #
+    # Public API                                                           #
+    # ------------------------------------------------------------------ #
+
+    def is_follower_active(self) -> bool:
+        """True when this Pi is in active follower mode (receiving frames)."""
+        return (
+            self.role == SyncRole.FOLLOWER
+            and self._follower_state == FollowerState.FOLLOWER
+        )
+
+    def get_latest_scroll_x(self) -> Optional[float]:
+        """Follower: return the most recently received Vegas scroll position, or None."""
+        return self._latest_scroll_x
+
+    def set_on_new_cycle(self, callback: Callable[[], None]) -> None:
+        """Follower: register a callback fired when the leader starts a new scroll cycle.
+        Used to trigger a local start_new_cycle() so both Pis rebuild from same fresh data.
+        """
+        self._on_new_cycle = callback
+
+    def get_latest_frame(self) -> Optional[Image.Image]:
+        """Follower: return the most recently received pixel frame (non-Vegas fallback)."""
+        with self._frame_lock:
+            return self._latest_frame
+
+    def get_status(self) -> dict:
+        """Return sync state dict for the web API status endpoint."""
+        hw = self._hw_config
+        base = {
+            "role": self.role.value,
+            "port": self.port,
+            "local_rows": hw.get("rows", 32),
+            "local_cols": hw.get("cols", 64),
+            "local_chain": hw.get("chain_length", 1),
+        }
+
+        if self.role == SyncRole.STANDALONE:
+            return {**base, "state": "standalone"}
+
+        if self.role == SyncRole.LEADER:
+            return {
+                **base,
+                "state": self._leader_state.value,
+                "peer_ip": self._peer_ip,
+                "peer_compatible": self._peer_compatible,
+                "peer_chain": self._peer_chain,
+                "leader_width": self._leader_width,
+                "error": self._error_message,
+            }
+
+        # Follower
+        return {
+            **base,
+            "state": self._follower_state.value,
+            "leader_ip": self._leader_ip,
+            "peer_compatible": self._peer_compatible,
+            "error": self._error_message,
+        }
+
+    def write_status_file(self) -> None:
+        """Write current sync status to STATUS_FILE for the web UI to read."""
+        try:
+            status = self.get_status()
+            status["ts"] = time.time()
+            tmp = STATUS_FILE + ".tmp"
+            with open(tmp, "w") as f:
+                json.dump(status, f)
+            os.replace(tmp, STATUS_FILE)
+        except Exception as exc:
+            self.logger.debug("Sync: status file write error: %s", exc)
+
+    def stop(self) -> None:
+        """Shut down threads and close sockets."""
+        self._running = False
+        for sock in (self._recv_sock, self._send_sock, self._img_server_sock):
+            if sock:
+                try:
+                    sock.close()
+                except Exception as exc:
+                    self.logger.debug("Sync: error closing socket: %s", exc)

src/common/text_helper.py

@@ -6,7 +6,6 @@ Extracted from LEDMatrix core to provide reusable functionality for plugins.
 """
 
 import logging
-import os
 from pathlib import Path
 from typing import Dict, List, Optional, Tuple, Union
 

src/common/utils.py

@@ -8,7 +8,7 @@ Extracted from LEDMatrix core to provide reusable functionality for plugins.
 import logging
 import re
 from datetime import datetime, timezone
-from typing import Optional, Tuple, Union
+from typing import Union
 import pytz
 
 

src/config_manager.py

@@ -313,17 +313,8 @@ class ConfigManager:
                 self._merge_template_defaults(self.config, template_config)
                 
                 # Save migrated config using atomic save to preserve permissions
-                # Load secrets if they exist to pass to atomic save
-                secrets_content = {}
-                if os.path.exists(self.secrets_path):
-                    try:
-                        with open(self.secrets_path, 'r') as f_secrets:
-                            secrets_content = json.load(f_secrets)
-                    except Exception:
-                        pass  # Continue without secrets if can't load
-                
                 # Use atomic save to preserve file permissions
-                # Note: save_config_atomic handles secrets internally, no need to pass new_secrets
+                # Note: save_config_atomic handles secrets internally
                 result = self.save_config_atomic(
                     new_config_data=self.config,
                     create_backup=False,  # Already created backup above