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Claude 22f31cdad0 docs(phase-04): mark planning complete

2026-04-06 23:25:04 +00:00

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milestone

milestone_name

status

stopped_at

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1.0

v1.0

milestone

verifying

Phase 4 UI-SPEC approved

2026-04-06T23:11:05.583Z

2026-04-06

total_phases	completed_phases	total_plans	completed_plans	percent
7	3	10	10	0

Project State

Project Reference

See: .planning/PROJECT.md (updated 2026-04-05)

Core value: Load a song, build a synchronized light show, play it back live — with precise control over every effect on every device. Current focus: Phase 03 — communication-protocol

Current Position

Phase: 4 Plan: Not started Status: Phase complete — ready for verification Last activity: 2026-04-06

Progress: [░░░░░░░░░░] 0%

Performance Metrics

Velocity:

Total plans completed: 0
Average duration: —
Total execution time: 0 hours

By Phase:

Phase	Plans	Total	Avg/Plan
-	-	-	-

Recent Trend:

Last 5 plans: —
Trend: —

Accumulated Context

Decisions

Decisions are logged in PROJECT.md Key Decisions table. Recent decisions affecting current work:

Init: Web UI over TUI — richer DAW interactions while keeping terminal aesthetic via CSS
Init: python-mpv-jsonipc preferred over ctypes binding — no libmpv.dll dependency on Windows
Init: Firmware deferred to Phase 7 — protocol must be validated against simulator first
Init: undo/redo built in Phase 4 — retrofitting command pattern is expensive
[Phase 01-foundation]: Module-level state in main.py for registry/show_store — acceptable for Phase 1, Phase 2 migrates to Depends()
[Phase 01-foundation]: StaticFiles mounted last in create_app() — prevents catch-all interception of /api/* routes
[Phase 01-foundation]: encode_animation_cmd stubs return b'' — Phase 3 implements real UDP animation command encoding
[Phase 01-foundation]: redirect_slashes=False on FastAPI — StaticFiles at root intercepted API redirects
[Phase 01-foundation]: API collection routes use empty-string paths ('') not '/' — canonical /api/devices without redirect
[Phase 01]: window.removeDevice export required for ES module onclick compatibility — functions in type=module scripts are not global
[Phase 01]: CSS accent variable canonical naming: --accent is source of truth, aliases are text-accent and border-bright
[Phase 02-audio-engine]: MPV_AO env var controls audio output — null default for Docker server mode, overridable for local dev
[Phase 02-audio-engine]: 10Hz polling via time.sleep(0.1) over observe_property — observe_property fires per audio frame overwhelming asyncio
[Phase 02-audio-engine]: apply_timer_fix() as Linux no-op — timeBeginPeriod is Windows-only; INF-03 satisfied as platform-guarded stub
[Phase 02-audio-engine]: broadcast_loop accepts get_engine callable instead of direct import — avoids ws.py/main.py circular import
[Phase 02-audio-engine]: asyncio.to_thread for engine.load in REST endpoint — python-mpv-jsonipc load is synchronous, must not block event loop
[Phase 02-audio-engine]: AUD-02 (YouTube URL loading) deferred to Phase 6 — noted in docstring, not implemented in audio.py
[Phase 02-audio-engine]: ffmpeg subprocess pipe for MP3 waveform extraction (libsndfile/soundfile does not support MP3 natively)
[Phase 02-audio-engine]: Transport state driven by WebSocket tick — no frontend polling
[Phase 02-audio-engine]: Browser plays audio via HTML5 audio element — eliminates python-mpv, Docker libmpv dependency, and server-side position polling
[Phase 02-audio-engine]: librosa.beat.beat_track for beat detection — tempo + beat grid in one call, cached in app.state.beats by filepath
[Phase 03-communication-protocol]: TDD approach for protocol encoders: tests committed RED before implementation, ensuring coverage is meaningful
[Phase 03-communication-protocol]: 0xAC animation command marker chosen well above WLED 0x01-0x04 range — no firmware collision
[Phase 03-communication-protocol]: UDPSender uses single shared asyncio DatagramTransport — no socket pool needed for UDP multi-device sends
[Phase 03-communication-protocol]: Chase reverse test uses offset-not-multiple-of-period for reliable assertion
[Phase 03-communication-protocol]: FireAnimation lazy-initializes heat array per led_count to support variable strip lengths
[Phase 03-communication-protocol]: asyncio.run() test pattern chosen over pytest-asyncio — not installed, plan provided this fallback
[Phase 03-communication-protocol]: UDPSender stopped before registry.save() in shutdown — orderly teardown, no sends after socket close

Pending Todos

None yet.

Blockers/Concerns

Phase 2: python-mpv-jsonipc latency on Windows 11 under load is unbenchmarked — validate with timing harness in 02-01
Phase 4: librosa MP3 loading path on Windows needs explicit validation (soundfile falls back to audioread which requires FFmpeg on PATH)
Phase 6: AI sync approach (LLM-assisted) has no reference implementation — treat as spike, not commitment

Session Continuity

Last session: 2026-04-06T23:11:05.576Z Stopped at: Phase 4 UI-SPEC approved Resume file: .planning/phases/04-timeline-editor/04-UI-SPEC.md

Next action: /gsd:plan-phase 1

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