1 Commits

Include renames

Author	SHA1	Message	Date
4 people	7a6bad29fe	feat(display-controller): hot-reload plugin enable/disable without a restart (#374) ... * feat(display-controller): hot-reload plugin enable/disable without a restart Enabling or disabling a plugin in config previously required restarting the display service: the plugin list and available_modes were built once at init and the run loop never revisited them. (Per-plugin config *values* already hot-reloaded; only the enabled set was restart-only.) Now the controller reconciles its running plugins against the config's enabled set whenever that set changes: - The ConfigService watcher thread only sets a `_pending_plugin_reconcile` flag (via a cheap enabled-set diff). It never mutates loop state. - The run loop applies the reconcile on its own thread (top of each iteration, deferred while on-demand is active), so loading/unloading and rebuilding available_modes can't race with rendering. - `_reconcile_enabled_plugins` diffs desired vs running plugins, unloads the removed ones (cleanup + on_disable + config-unsubscribe via the new `_unregister_plugin`) and loads the added ones, then clamps the rotation index so the current mode stays valid. The per-plugin registration done at startup is extracted into `_register_loaded_plugin` and reused by the live-enable path so both build identical state. Extracting it also fixes a latent late-binding bug: the per-plugin config-change callbacks were closures over the loop variable, so every plugin's callback targeted the last-loaded instance; each now binds its own id/instance. Adds test/test_display_controller_plugin_toggle.py covering live enable, live disable, index clamping, no-op when unchanged, and the enabled-set diff. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> * fix(display-controller): don't exit on empty available_modes, guard rotation modulo Hot-reload means available_modes can legitimately be empty at startup (no plugins enabled yet) and become non-empty later via the web UI, or vice versa mid-run. Fix four issues found reviewing this PR: - run() exited the process entirely when available_modes was empty at startup instead of idling, permanently defeating the point of live enable/disable for anyone who starts with zero plugins enabled. - The mode-rotation step divided by len(available_modes) unconditionally, raising ZeroDivisionError if the last enabled plugin is disabled between frames. - _reconcile_enabled_plugins() called .get('enabled', False) on a config section without checking it was a dict first, raising AttributeError on a malformed config value. - Minor: pop the config-change callback only after attempting to unsubscribe it, and log the exception in the config-read fallback instead of swallowing it silently. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01KEZK1P1Q1fu5pcuVrkrCFZ * fix(display-controller): address review findings on the hot-reload PR - Idle-wait tick was a fixed 30s sleep, delaying pickup of a plugin enabled via the web UI while no modes were active. Shortened to ~1s so it's roughly as responsive as the per-frame check once modes exist. - _unregister_plugin popped the config-change callback from _plugin_config_callbacks even when config_service.unsubscribe() raised, losing the only reference to it. Now only pops on a successful unsubscribe. - _pending_plugin_reconcile was cleared before _reconcile_enabled_plugins() ran, so a retryable failure (e.g. plugin discovery erroring) silently dropped the enable/disable request. _reconcile_enabled_plugins() now returns True/False and the caller only clears the flag on True. - Added a warning log for the malformed-config case (a plugin's config section present but not a dict) so it's actually visible, and updated the existing test to assert it via caplog. Left the broad `except Exception` around config_service.unsubscribe() as Exception -- the current implementation is a simple lock+dict/list op that doesn't document or realistically raise a narrower type, so this is a defensive catch-all, not user error handling. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01KEZK1P1Q1fu5pcuVrkrCFZ --------- Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com> Co-authored-by: ChuckBuilds <charlesmynard@gmail.com>	2026-07-06 17:37:01 -04:00