docs: fix misc remaining docs (architecture, dev quickref, sub-dir READMEs)

PLUGIN_ARCHITECTURE_SPEC.md
- Added a banner at the top noting this is a historical design doc
  written before the plugin system shipped. The doc is ~1900 lines
  with 13 stale /api/plugins/* paths (real is /api/v3/plugins/*),
  references to web_interface_v2.py (current is app.py), and a
  Migration Strategy / Implementation Roadmap that's now history.
  Banner points readers at the current docs
  (PLUGIN_DEVELOPMENT_GUIDE, PLUGIN_API_REFERENCE,
  REST_API_REFERENCE) without needing to retrofit every section.

PLUGIN_CONFIG_ARCHITECTURE.md
- 10 occurrences of /api/plugins/* missing /v3 prefix. Bulk fixed.

DEVELOPER_QUICK_REFERENCE.md
- cache_manager.delete("key") -> cache_manager.clear_cache("key")
  with comment noting delete() doesn't exist. Same bug already
  documented in PLUGIN_API_REFERENCE.md.

SSH_UNAVAILABLE_AFTER_INSTALL.md
- 4 occurrences of port 5001 -> 5000 in AP-mode and Ethernet/WiFi
  recovery instructions.

PLUGIN_CUSTOM_ICONS_FEATURE.md
- Port 5001 -> 5000.

CONFIG_DEBUGGING.md
- Documented /api/v3/config/plugin/<id> and /api/v3/config/validate
  endpoints don't exist. Replaced with the real endpoints:
  /api/v3/config/main, /api/v3/plugins/schema?plugin_id=,
  /api/v3/plugins/config?plugin_id=. Added a note that validation
  runs server-side automatically on POST.

STARLARK_APPS_GUIDE.md
- "Plugins -> Starlark Apps" UI navigation path doesn't exist (5
  occurrences). Replaced with the real path: Plugin Manager tab,
  then the per-plugin Starlark Apps tab in the second nav row.
- "Navigate to Plugins" install step -> Plugin Manager tab.

web_interface/README.md
- Documented several endpoints that don't exist in the api_v3
  blueprint:
  - GET /api/v3/plugins (list) -> /api/v3/plugins/installed
  - GET /api/v3/plugins/<id> -> doesn't exist
  - POST /api/v3/plugins/<id>/config -> POST /api/v3/plugins/config
  - GET /api/v3/plugins/<id>/enable + /disable -> POST /api/v3/plugins/toggle
  - GET /api/v3/store/plugins -> /api/v3/plugins/store/list
  - POST /api/v3/store/install/<id> -> POST /api/v3/plugins/install
  - POST /api/v3/store/uninstall/<id> -> POST /api/v3/plugins/uninstall
  - POST /api/v3/store/update/<id> -> POST /api/v3/plugins/update
  - POST /api/v3/display/start/stop/restart -> POST /api/v3/system/action
  - GET /api/v3/display/status -> GET /api/v3/system/status
- Also fixed config/secrets.json -> config/config_secrets.json
- Replaced the per-section endpoint duplication with a current real
  endpoint list and a pointer to docs/REST_API_REFERENCE.md.
- Documented that SSE stream endpoints are defined directly on the
  Flask app at app.py:607-615, not in the api_v3 blueprint.

scripts/install/README.md
- Was missing 3 of the 9 install scripts in the directory:
  one-shot-install.sh, configure_wifi_permissions.sh, and
  debug_install.sh. Added them with brief descriptions.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

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
-curl http://localhost:5000/api/v3/config
+# Get full main config (includes all plugin sections)
+curl http://localhost:5000/api/v3/config/main
 
-# Get specific plugin config
-curl http://localhost:5000/api/v3/config/plugin/football-scoreboard
-
-# Validate config without saving
-curl -X POST http://localhost:5000/api/v3/config/validate \
+# Save updated main config
+curl -X POST http://localhost:5000/api/v3/config/main \
   -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.clear_cache("key")  # there is no delete() method
 
 # Advanced caching
 data = cache_manager.get_cached_data_with_strategy("key", data_type="weather")

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.
@@ -9,7 +28,7 @@ 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/`)*
 
 ---
 

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_CUSTOM_ICONS_FEATURE.md

@@ -304,7 +304,7 @@ 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/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`
-2. **Via WiFi**: If WiFi is connected, visit `http://<pi-ip-address>:5001`
-3. **Via Ethernet**: Visit `http://<pi-ip-address>: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>:5000`
+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
-2. Navigate to **Plugins**
-3. Find **Starlark Apps** in the installed plugins list
-4. Enable the plugin
+1. Open the web UI (`http://your-pi-ip:5000`)
+2. Open the **Plugin Manager** tab
+3. Find **Starlark Apps** in the **Installed Plugins** list
+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

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.
 

web_interface/README.md

@@ -66,38 +66,50 @@ Once running, access the web interface at:
 
 The web interface reads configuration from:
 - `config/config.json` - Main configuration
-- `config/secrets.json` - API keys and secrets
+- `config/config_secrets.json` - API keys and secrets
 
 ## API Documentation
 
-The V3 API is available at `/api/v3/` with the following endpoints:
+The V3 API is mounted at `/api/v3/` (`app.py:144`). For the complete
+list and request/response formats, see
+[`docs/REST_API_REFERENCE.md`](../docs/REST_API_REFERENCE.md). Quick
+reference for the most common endpoints:
 
 ### Configuration
 - `GET /api/v3/config/main` - Get main configuration
 - `POST /api/v3/config/main` - Save main configuration
 - `GET /api/v3/config/secrets` - Get secrets configuration
-- `POST /api/v3/config/secrets` - Save secrets configuration
+- `POST /api/v3/config/raw/main` - Save raw main config (Config Editor)
+- `POST /api/v3/config/raw/secrets` - Save raw secrets
 
-### Display Control
-- `POST /api/v3/display/start` - Start display service
-- `POST /api/v3/display/stop` - Stop display service
-- `POST /api/v3/display/restart` - Restart display service
-- `GET /api/v3/display/status` - Get display service status
+### Display & System Control
+- `GET /api/v3/system/status` - System status
+- `POST /api/v3/system/action` - Control display (action body:
+  `start_display`, `stop_display`, `restart_display_service`,
+  `restart_web_service`, `git_pull`, `reboot_system`, `shutdown_system`)
+- `GET /api/v3/display/current` - Current display frame
+- `GET /api/v3/display/on-demand/status` - On-demand status
+- `POST /api/v3/display/on-demand/start` - Trigger on-demand display
+- `POST /api/v3/display/on-demand/stop` - Clear on-demand
 
 ### Plugins
-- `GET /api/v3/plugins` - List installed plugins
-- `GET /api/v3/plugins/<id>` - Get plugin details
-- `POST /api/v3/plugins/<id>/config` - Update plugin configuration
-- `GET /api/v3/plugins/<id>/enable` - Enable plugin
-- `GET /api/v3/plugins/<id>/disable` - Disable plugin
+- `GET /api/v3/plugins/installed` - List installed plugins
+- `GET /api/v3/plugins/config?plugin_id=<id>` - Get plugin config
+- `POST /api/v3/plugins/config` - Update plugin configuration
+- `GET /api/v3/plugins/schema?plugin_id=<id>` - Get plugin schema
+- `POST /api/v3/plugins/toggle` - Enable/disable plugin
+- `POST /api/v3/plugins/install` - Install from registry
+- `POST /api/v3/plugins/install-from-url` - Install from GitHub URL
+- `POST /api/v3/plugins/uninstall` - Uninstall plugin
+- `POST /api/v3/plugins/update` - Update plugin
 
 ### Plugin Store
-- `GET /api/v3/store/plugins` - List available plugins
-- `POST /api/v3/store/install/<id>` - Install plugin
-- `POST /api/v3/store/uninstall/<id>` - Uninstall plugin
-- `POST /api/v3/store/update/<id>` - Update plugin
+- `GET /api/v3/plugins/store/list` - List available registry plugins
+- `POST /api/v3/plugins/store/refresh` - Refresh registry from GitHub
 
 ### Real-time Streams (SSE)
+SSE stream endpoints are defined directly on the Flask app
+(`app.py:607-615`), not on the api_v3 blueprint:
 - `GET /api/v3/stream/stats` - System statistics stream
 - `GET /api/v3/stream/display` - Display preview stream
 - `GET /api/v3/stream/logs` - Service logs stream