9c1ca03957
- 02-03-SUMMARY.md: full redesign summary, decisions, deviations documented - STATE.md: decisions updated, session recorded, progress at 100% (7/7 plans) - ROADMAP.md: Phase 2 confirmed Complete (3/3 plans)
109 lines
4.8 KiB
Markdown
109 lines
4.8 KiB
Markdown
---
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gsd_state_version: 1.0
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milestone: v1.0
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milestone_name: milestone
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status: verifying
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stopped_at: "Completed 02-audio-engine/02-03-PLAN.md (architecture redesign: browser audio + librosa)"
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last_updated: "2026-04-06T15:40:50.951Z"
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last_activity: 2026-04-06
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progress:
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total_phases: 7
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completed_phases: 2
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total_plans: 7
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completed_plans: 7
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percent: 0
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---
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# Project State
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## Project Reference
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See: .planning/PROJECT.md (updated 2026-04-05)
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**Core value:** Load a song, build a synchronized light show, play it back live — with precise control over every effect on every device.
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**Current focus:** Phase 02 — audio-engine
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## Current Position
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Phase: 02 (audio-engine) — EXECUTING
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Plan: 3 of 3
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Status: Phase complete — ready for verification
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Last activity: 2026-04-06
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Progress: [░░░░░░░░░░] 0%
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## Performance Metrics
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**Velocity:**
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- Total plans completed: 0
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- Average duration: —
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- Total execution time: 0 hours
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**By Phase:**
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| Phase | Plans | Total | Avg/Plan |
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|-------|-------|-------|----------|
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| - | - | - | - |
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**Recent Trend:**
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- Last 5 plans: —
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- Trend: —
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*Updated after each plan completion*
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| Phase 01-foundation P01 | 4 | 2 tasks | 23 files |
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| Phase 01-foundation P03 | 6 | 1 tasks | 9 files |
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| Phase 01 P04 | 2 | 2 tasks | 3 files |
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| Phase 02-audio-engine P01 | 525603 | 2 tasks | 5 files |
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| Phase 02-audio-engine P02 | 8 | 2 tasks | 3 files |
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| Phase 02-audio-engine P03 | 8min | 2 tasks | 5 files |
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| Phase 02-audio-engine P03 | 4 | 9 tasks | 8 files |
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## Accumulated Context
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### Decisions
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Decisions are logged in PROJECT.md Key Decisions table.
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Recent decisions affecting current work:
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- Init: Web UI over TUI — richer DAW interactions while keeping terminal aesthetic via CSS
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- Init: python-mpv-jsonipc preferred over ctypes binding — no libmpv.dll dependency on Windows
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- Init: Firmware deferred to Phase 7 — protocol must be validated against simulator first
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- Init: undo/redo built in Phase 4 — retrofitting command pattern is expensive
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- [Phase 01-foundation]: Module-level state in main.py for registry/show_store — acceptable for Phase 1, Phase 2 migrates to Depends()
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- [Phase 01-foundation]: StaticFiles mounted last in create_app() — prevents catch-all interception of /api/* routes
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- [Phase 01-foundation]: encode_animation_cmd stubs return b'' — Phase 3 implements real UDP animation command encoding
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- [Phase 01-foundation]: redirect_slashes=False on FastAPI — StaticFiles at root intercepted API redirects
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- [Phase 01-foundation]: API collection routes use empty-string paths ('') not '/' — canonical /api/devices without redirect
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- [Phase 01]: window.removeDevice export required for ES module onclick compatibility — functions in type=module scripts are not global
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- [Phase 01]: CSS accent variable canonical naming: --accent is source of truth, aliases are text-accent and border-bright
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- [Phase 02-audio-engine]: MPV_AO env var controls audio output — null default for Docker server mode, overridable for local dev
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- [Phase 02-audio-engine]: 10Hz polling via time.sleep(0.1) over observe_property — observe_property fires per audio frame overwhelming asyncio
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- [Phase 02-audio-engine]: apply_timer_fix() as Linux no-op — timeBeginPeriod is Windows-only; INF-03 satisfied as platform-guarded stub
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- [Phase 02-audio-engine]: broadcast_loop accepts get_engine callable instead of direct import — avoids ws.py/main.py circular import
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- [Phase 02-audio-engine]: asyncio.to_thread for engine.load in REST endpoint — python-mpv-jsonipc load is synchronous, must not block event loop
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- [Phase 02-audio-engine]: AUD-02 (YouTube URL loading) deferred to Phase 6 — noted in docstring, not implemented in audio.py
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- [Phase 02-audio-engine]: ffmpeg subprocess pipe for MP3 waveform extraction (libsndfile/soundfile does not support MP3 natively)
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- [Phase 02-audio-engine]: Transport state driven by WebSocket tick — no frontend polling
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- [Phase 02-audio-engine]: Browser plays audio via HTML5 audio element — eliminates python-mpv, Docker libmpv dependency, and server-side position polling
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- [Phase 02-audio-engine]: librosa.beat.beat_track for beat detection — tempo + beat grid in one call, cached in app.state.beats by filepath
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### Pending Todos
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None yet.
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### Blockers/Concerns
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- Phase 2: python-mpv-jsonipc latency on Windows 11 under load is unbenchmarked — validate with timing harness in 02-01
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- Phase 4: librosa MP3 loading path on Windows needs explicit validation (soundfile falls back to audioread which requires FFmpeg on PATH)
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- Phase 6: AI sync approach (LLM-assisted) has no reference implementation — treat as spike, not commitment
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## Session Continuity
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Last session: 2026-04-06T15:40:34.296Z
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Stopped at: Completed 02-audio-engine/02-03-PLAN.md (architecture redesign: browser audio + librosa)
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Resume file: None
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Next action: `/gsd:plan-phase 1`
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