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yellowjacket/.planning/STATE.md
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---
gsd_state_version: 1.0
milestone: v1.1
milestone_name: Features & Extensibility
status: roadmap_complete
last_updated: "2026-03-06"
progress:
total_phases: 6
completed_phases: 0
total_plans: 0
completed_plans: 0
---
# YellowJacket — Project State
## Project Reference
See: .planning/PROJECT.md (updated 2026-03-06)
**Core value:** The music player works reliably and feels solid — every interaction is correct, responsive, and trustworthy.
**Current focus:** v1.1 Features & Extensibility — roadmap complete, ready for planning
## Current Position
Phase: 9 — Scan Cancellation & Keyboard Shortcuts
Plan: —
Status: Ready for planning
Progress: ░░░░░░░░░░░░░░░░░░░░ 0/6 phases (0%)
Last activity: 2026-03-06 — Roadmap created for v1.1
### Phase Overview
| Phase | Status |
|-------|--------|
| 9. Scan Cancellation & Keyboard Shortcuts | Not started |
| 10. Tag Editing | Not started |
| 11. Smart Playlists | Not started |
| 12. Gapless Playback & Crossfade | Not started |
| 13. MusicBrainz Browser | Not started |
| 14. Layout Customization & Plugin Foundation | Not started |
## Performance Metrics
**v1.0 baseline:** 8 phases, 17 plans, 34 tasks in 6 days (107 commits)
**v1.1 scope:** 6 phases, 43 requirements, ~? plans (TBD during planning)
## Accumulated Context
### Key Decisions
Decisions from v1.0 are archived in PROJECT.md Key Decisions table. Key patterns to carry forward:
- Mutex-protected setter pattern (lock → write → release → callbacks)
- SAFETY comment convention for hand-crafted SQL
- AST-based codegen for cross-language constant sync
- Design tokens via `:host` scoped CSS custom properties
- queueMicrotask coalescing for store notifications
- `.renderItem` + `.keyFunction` (not `repeat()` children) for lit-virtualizer
### v1.1 Roadmap Decisions
| Decision | Rationale |
|----------|-----------|
| Phase 9 = Scan Cancel + Shortcuts | Quick wins, validate context cancellation and config extension patterns |
| Phase 10 = Tag Editing after shortcuts | Introduces 3 new deps, file-write-DB-event pipeline; benefits from validated patterns |
| Phase 11 = Smart Playlists after tags | DB patterns, benefits from validated DB update pipeline |
| Phase 12 = Gapless mid-sequence | Highest risk isolated after foundations proven, before meta-features |
| Phase 13 = MusicBrainz after gapless | First network feature, orthogonal to audio work |
| Phase 14 = Layout + Plugins last | Meta-features that wrap all others, need stable API surface |
| Layout + Plugins combined into one phase | Both are extensibility foundations; layout provides component registry that plugins register into |
### Warnings (carry forward)
- Player lock ordering (`p.mu` before `speaker.Lock()`, goroutine dispatch in beep callback) — CRITICAL for Phase 12 gapless work
- modernc.org/libc version must match exactly when updating modernc.org/sqlite
- `@lit-labs/signals` is experimental (v0.2.0) — not blocking but noted
- Tag writing: block edits on currently-playing files (beep holds `*os.File` handle) — Phase 10
- Scan cancellation: skip orphan cleanup on cancelled scans — Phase 9
- MusicBrainz: strict 1 req/s rate limit, proper User-Agent, SQLite cache — Phase 13
- Plugin system: JS-only for v1.1, recover() wrappers, read-only DB access — Phase 14
- FLAC tag writes load entire file into memory (go-flac) — acceptable for v1.1 — Phase 10
### Research Flags
- **Phase 12 (Gapless + Crossfade):** Needs deeper research — beep Mixer/Seq composition for real-time crossfade not well-documented. Prototype persistent-mixer architecture before committing to implementation.
- **Phase 14 (Plugin System):** Needs deeper research — plugin API surface design, error containment, security boundaries. Consider spike/prototype.
## Session Continuity
### Last Session
**Date:** 2026-03-06
**What happened:** Created v1.1 roadmap with 6 phases (9-14) covering all 43 requirements. Research summary informed phase ordering. Coverage validated at 43/43.
**Where we stopped:** Roadmap created, ready for phase planning.
**Next action:** `/gsd-plan-phase 9` — Plan Scan Cancellation & Keyboard Shortcuts
---
*State initialized: 2026-02-27*
Last activity: 2026-03-06 - v1.1 roadmap created
*Last updated: 2026-03-06*