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* docs(sports): split adoption from sunset, and say what makes the sunset safe
The phase table folded two steps with very different risk profiles into one
B5: adopting core imports (safe by construction -- the guarded import keeps
the bundled fallback) and deleting the bundled copies (removes the fallback,
so the import becomes a hard dependency). They are now B5 and B6.
Reading the enforcement path showed the declared floor protects nobody today:
- PluginLoader._warn_if_incompatible is advisory, and skips entirely when the
parsed core version is below 2.0.0.
- The v3.1.0 release ships __version__ = "1.0.0" -- the tag was cut
2026-05-31 and the string was not bumped until 2026-07-12 -- so the skip
matches exactly the users most likely to be behind.
- Neither StoreManager.install_plugin nor .update_plugin compares the core
version, so a store update delivers a plugin that floors above the core.
Verified against a v3.1.0 worktree: sports_scroll, element_style and the
sports package are absent there, and the import fails with
exc.name == 'src.common.sports_scroll' -- a guard set of {"src"} does not
match it.
B4 therefore grows to include making the version number trustworthy and
adding the install/update gate; B6 waits on that gate having shipped and
reached users. Also adds an ordered "What's next" and the durable lessons
this migration paid for.
Documentation only; no code changes.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Udr6MfaFLUPhX5Fgo67Jf5
* docs(sports): address review — test matrix, and compatible_versions
Both CodeRabbit findings on #427 hold up against the code; one sub-point was
already moot.
1. The compatibility regression test was described as one case (bundled copy
removed on an old core) when it needs four. The case that actually matters
is the one that was missing: an adopted plugin loading *with* its bundled
copy on an old core, which is the entire basis for claiming B5 is safe to
run ahead of the gate. Now a 2x2 table.
The assertion was also wrong. "Fails loudly and specifically" is
aspirational -- PluginManager.load_plugin catches ModuleNotFoundError, so
nothing propagates and it fails into PluginState.ERROR with one log line.
A test expecting a raise would pass for the wrong reason. Specified as
PluginState.ERROR plus the exact missing module path, which is also what
the rest of this document already says the failure looks like.
2. `compatible_versions` -- not `ledmatrix_min_version` -- is the canonical
contract: schema/manifest_schema.json requires it, all 42 published
manifests carry it, and it holds semver ranges ([">=2.0.0"] in 41,
[">=1.0.0"] in 7-segment-clock). The gate as merged reads only the floor.
Harmless today: no manifest uses an upper bound, and the two fields agree
everywhere except 7-segment-clock. But the schema's range syntax permits
upper bounds, so a plugin declaring ["2.0.0 - 2.9.9"] would be installed on
3.2.0 regardless. Recorded as a named gap the gate must close before B6,
and the migration step now has to reconcile both fields across every
manifest the gate can refuse.
Skipped, with reason: the finding also asked to migrate the deprecated
top-level `ledmatrix_version`. No manifest carries it -- verified across
all 42 -- so there is nothing to migrate.
Documentation only.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Udr6MfaFLUPhX5Fgo67Jf5
---------
Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
LEDMatrix Documentation
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 — it covers hardware, OS imaging, and the one-shot installer. The pages here go deeper.
I'm a new user
- GETTING_STARTED.md — first-time setup walkthrough
- WEB_INTERFACE_GUIDE.md — using the web UI
- PLUGIN_STORE_GUIDE.md — installing and managing plugins
- WIFI_NETWORK_SETUP.md — WiFi and AP-mode setup
- TROUBLESHOOTING.md — common issues and fixes
- SSH_UNAVAILABLE_AFTER_INSTALL.md — recovering SSH after install
- CONFIG_DEBUGGING.md — diagnosing config problems
I want to write a plugin
Start here:
- PLUGIN_DEVELOPMENT_GUIDE.md — end-to-end workflow
- PLUGIN_QUICK_REFERENCE.md — cheat sheet
- PLUGIN_API_REFERENCE.md — display, cache, and plugin-manager APIs
- PLUGIN_ERROR_HANDLING.md — error-handling patterns
- DEV_PREVIEW.md — preview plugins on your dev machine without a Pi
- EMULATOR_SETUP_GUIDE.md — running the matrix emulator
Going deeper:
- ADVANCED_PLUGIN_DEVELOPMENT.md — advanced patterns
- PLUGIN_ARCHITECTURE_SPEC.md — full plugin-system spec
- PLUGIN_DEPENDENCY_GUIDE.md / PLUGIN_DEPENDENCY_TROUBLESHOOTING.md
- PLUGIN_WEB_UI_ACTIONS.md (+ example JSON)
- PLUGIN_CUSTOM_ICONS.md / PLUGIN_CUSTOM_ICONS_FEATURE.md
- PLUGIN_REGISTRY_SETUP_GUIDE.md (+ registry template)
- STARLARK_APPS_GUIDE.md — Starlark-based mini-apps
- widget-guide.md — widget development
Configuring plugins
- PLUGIN_CONFIG_QUICK_START.md — minimal config you need
- PLUGIN_CONFIGURATION_GUIDE.md — schema design
- PLUGIN_CONFIGURATION_TABS.md — multi-tab UI configs
- PLUGIN_CONFIG_ARCHITECTURE.md — how the config system works
- PLUGIN_CONFIG_CORE_PROPERTIES.md — properties every plugin honors
Advanced features
- ADVANCED_FEATURES.md — Vegas scroll, on-demand display, cache management, background services, permissions
- FONT_MANAGER.md — font system
Reference
- REST_API_REFERENCE.md — all web-interface HTTP endpoints
- PLUGIN_API_REFERENCE.md — Python APIs available to plugins
- DEVELOPER_QUICK_REFERENCE.md — common dev tasks
- PLUGIN_IMPLEMENTATION_SUMMARY.md — what the plugin system actually does
Contributing to LEDMatrix itself
- DEVELOPMENT.md — environment setup
- HOW_TO_RUN_TESTS.md — running the test suite
- MULTI_ROOT_WORKSPACE_SETUP.md — multi-repo workspace
- MIGRATION_GUIDE.md — breaking changes between releases
Archive
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.
Contributing to the docs
- Markdown only, professional tone, minimal emoji.
- Prefer adding to an existing page over creating a new one. If you add a new page, link it from this index in the section it belongs to.
- If a page becomes obsolete, move it to
docs/archive/rather than deleting it, so links don't rot. - Keep examples runnable — paths, commands, and config keys here should match what's actually in the repo.