132 lines
6.8 KiB
Markdown
132 lines
6.8 KiB
Markdown
---
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gsd_state_version: 1.0
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milestone: v1.1
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milestone_name: Multi-Library Support
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status: unknown
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last_updated: "2026-03-09T13:57:33.492Z"
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progress:
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total_phases: 2
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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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---
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# YellowJacket — Project State
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## Project Reference
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See: .planning/PROJECT.md (updated 2026-03-08)
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**Core value:** The music player works reliably and feels solid — every interaction is correct, responsive, and trustworthy.
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**Current focus:** v1.1 Multi-Library Support — Phase 10 (Schema & Migration)
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## Current Position
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Phase: 10 — Schema & Migration
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Plan: 2 of 2 in Phase (Plan 02 complete)
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Status: Phase 10 complete — ready for Phase 11
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Progress: ████████░░░░░░░░░░░░ 2/5 phases complete (Phase 10)
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Last activity: 2026-03-09 — Completed 10-02 sqlc queries + migration tests
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### Phase Overview
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| Phase | Status |
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|-------|--------|
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| 9. Scan Cancellation & Keyboard Shortcuts | Complete (5/5 plans) ✅ |
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| 10. Schema & Migration | Complete (2/2 plans) ✅ |
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| 11. Per-Library Scan Pipeline | Not started |
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| 12. Library CRUD & Data Integrity | Not started |
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| 13. Library Views & Phantom Tracks | Not started |
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## Performance Metrics
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**v1.0 baseline:** 8 phases, 17 plans, 34 tasks in 6 days (107 commits)
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**v1.1 scope:** Phase 9 complete (5 plans), Phases 10-13 pending (20 requirements across 4 phases)
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| Phase | Plan | Duration | Tasks | Files |
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|-------|------|----------|-------|-------|
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| 09-01 | scan control backend | 16 min | 2 | 5 |
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| 09-02 | keyboard shortcuts config & service | 35 min | 2 | 12 |
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| 09-04 | keyboard shortcuts settings UI | 5 min | 2 | 2 |
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| 09-03 | scan control UI | 2 min | 1 | 3 |
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| 09-05 | integration testing & verification | 3 min | 2 | 1 |
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| Phase 10-01 P01 | 11 min | 2 tasks | 10 files |
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| Phase 10-02 P02 | 5 min | 2 tasks | 9 files |
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## Accumulated Context
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### Key Decisions
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Decisions from v1.0 are archived in PROJECT.md Key Decisions table. Key patterns to carry forward:
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- Mutex-protected setter pattern (lock → write → release → callbacks)
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- SAFETY comment convention for hand-crafted SQL
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- AST-based codegen for cross-language constant sync
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- Design tokens via `:host` scoped CSS custom properties
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- queueMicrotask coalescing for store notifications
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- `.renderItem` + `.keyFunction` (not `repeat()` children) for lit-virtualizer
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### v1.1 Roadmap Decisions
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| Decision | Rationale |
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|----------|-----------|
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| Phase 9 = Scan Cancel + Shortcuts | Quick wins, validate context cancellation and config extension patterns |
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| v1.1 restructured for multi-library | Tag editing, smart playlists, gapless, MusicBrainz, layout, plugins deferred to future milestones |
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| Hybrid model (library_id on audio_files only) | Physical files belong to libraries; logical entities (artists, albums, genres) are global/shared |
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| Libraries in DB, not TOML | CRUD through UI shouldn't require TOML manipulation; DB is source of truth |
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| SET NULL for playlist_tracks FK | Phantom tracks preserve playlist structure when library removed |
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| CASCADE for queue_tracks FK | Queue is ephemeral, not user-curated like playlists |
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| Sequential scanning | SQLite single-writer makes parallel scans pointless |
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| Backend filtering, not frontend | Don't load 150K tracks when viewing one library |
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| 4 multi-library phases (10-13) | Natural delivery boundaries: schema → scan → CRUD → views, each phase delivers verifiable capability |
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### Phase 10 Decisions
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| Decision | Rationale |
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|----------|-----------|
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| Underscore prefix `_libraries.sql` for schema ordering | Go embed.FS ReadDir sorts alphabetically; `_` < `a` ensures libraries table created before audio_files FK |
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| Sentinel library id=0 in test DB | Existing tests use DEFAULT library_id=0; sentinel row satisfies FK without modifying every test |
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| TOML cleanup via generic map[string]any | Preserves all config sections when removing only DirectoryPath; no dependency on full Config struct |
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| sql.NullInt64 for nullable playlist_tracks.audio_file_id | Phantom tracks have NULL audio_file_id; generated sqlc code requires sql.Null types |
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| COALESCE fallback chain: live → phantom → empty | Playlist queries use 3-level COALESCE so callers always get usable string values |
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| is_phantom computed column via CASE WHEN | Eliminates null-checking logic in callers; simple int64 boolean (0/1) |
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### Warnings (carry forward)
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- Player lock ordering (`p.mu` before `speaker.Lock()`, goroutine dispatch in beep callback) — carry forward
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- modernc.org/libc version must match exactly when updating modernc.org/sqlite
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- `@lit-labs/signals` is experimental (v0.2.0) — not blocking but noted
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- Scan cancellation: skip orphan cleanup on cancelled scans — Phase 9 ✅ (implemented in 09-01)
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- Volume mutations (ChangeVolume/MuteToggle) must emit events + persist state — Phase 9 ✅ (fixed in 09-05)
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- ALTER TABLE ADD COLUMN requires DEFAULT for NOT NULL — create libraries table first
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- Table rebuild must audit ALL CASCADE FKs (playlist_tracks AND queue_tracks)
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- FTS5 contentless can't DELETE rows — stale entries accumulate after library removal; consider contentless_delete migration
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- Orphan cleanup must not delete shared entities across libraries (reference-counting bottom-up)
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- Existing user migration must be seamless (TOML DirectoryPath to DB libraries table)
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### Research Flags
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- **Multi-library research complete** — see `.planning/research/` (STACK.md, FEATURES.md, ARCHITECTURE.md, PITFALLS.md, SUMMARY.md)
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## Session Continuity
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### Last Session
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**Date:** 2026-03-09
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**What happened:** Executed Phase 10, Plan 02 — added 7 library CRUD queries, updated all playlist queries for phantom support (LEFT JOINs, COALESCE fallback, is_phantom column), added library-filtered audio file queries, wrote 5 migration 6 integration tests, added NewTestDBWithLibrary helper.
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**Where we stopped:** Completed 10-02-PLAN.md (Phase 10 complete)
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**Next action:** Plan or execute Phase 11 (Per-Library Scan Pipeline)
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---
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*State initialized: 2026-02-27*
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### Quick Tasks Completed
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| # | Description | Date | Commit | Directory |
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|---|-------------|------|--------|-----------|
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| 16 | add ctrl+a hotkey to multi-select views to select all items | 2026-03-07 | 043c74c | [16-add-ctrl-a-hotkey-to-multi-select-views-](./quick/16-add-ctrl-a-hotkey-to-multi-select-views-/) |
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| 17 | refactor playlist view to use subpages | 2026-03-08 | 955cd68 | [17-refactor-playlist-view-to-use-subpages-l](./quick/17-refactor-playlist-view-to-use-subpages-l/) |
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| 18 | add multi-column metadata display to playlist-details | 2026-03-08 | ce23177 | [18-add-multi-column-metadata-display-to-pla](./quick/18-add-multi-column-metadata-display-to-pla/) |
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Last activity: 2026-03-08 - Completed quick task 18: add multi-column metadata display to playlist-details
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*Last updated: 2026-03-09 — Completed 10-02-PLAN.md (Phase 10 complete)*
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