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docs(phase-12): complete phase execution

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yonlu
2026-03-15 10:29:12 -04:00
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.planning/ROADMAP.md
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3. User can remove a library — its tracks are deleted, shared artists/albums/genres used only by that library are cleaned up, but entities shared with other libraries survive intact
4. Removing a library cleans up FTS5 search index entries for that library's tracks (no stale search results)
5. Queue tracks from a removed library are cascade-deleted; the queue continues playing from the next valid track
**Plans:** 2 plans
**Plans:** 2/2 plans complete
Plans:
- [x] 12-01-PLAN.md — Backend CRUD API + orphan cleanup + queue compaction + events
- [x] 12-02-PLAN.md — Frontend library management UI in settings + sidebar cleanup
@@ -142,7 +142,7 @@ Plans:
| 9. Scan Cancellation & Keyboard Shortcuts | v1.1 | 5/5 | Complete | 2026-03-07 |
| 10. Schema & Migration | 2/2 | Complete | 2026-03-09 | - |
| 11. Per-Library Scan Pipeline | 3/3 | Complete | 2026-03-09 | - |
| 12. Library CRUD & Data Integrity | v1.1 | 2/2 | Complete | 2026-03-15 |
| 12. Library CRUD & Data Integrity | v1.1 | Complete | 2026-03-15 | 2026-03-15 |
| 13. Library Views & Phantom Tracks | v1.1 | 0/? | Not started | - |
| 14. Performance Optimization | 4/4 | Complete | 2026-03-15 | - |
.planning/STATE.md
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gsd_state_version: 1.0
milestone: v1.1
milestone_name: Multi-Library Support
status: in-progress
last_updated: "2026-03-15T14:21:35Z"
status: unknown
last_updated: "2026-03-15T14:29:07.641Z"
progress:
total_phases: 5
completed_phases: 5
.planning/phases/12-library-crud-data-integrity/12-VERIFICATION.md
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---
phase: 12-library-crud-data-integrity
verified: 2026-03-15T15:30:00Z
status: passed
score: 11/11 must-haves verified
---
# Phase 12: Library CRUD & Data Integrity Verification Report
**Phase Goal:** Users can add, rename, and remove libraries through the UI with correct data lifecycle management
**Verified:** 2026-03-15T15:30:00Z
**Status:** PASSED
**Re-verification:** No — initial verification
## Goal Achievement
### Observable Truths
| # | Truth | Status | Evidence |
|---|-------|--------|----------|
| 1 | User can add a new library via folder picker, give it a name, and trigger a scan — new tracks appear in the library | ✓ VERIFIED | `AddLibrary()` in crud.go:70 validates path, auto-names from `filepath.Base()`, calls `CreateLibrary`, emits `LibraryAdded`, starts `ScanLibrary` async. Frontend imports `DirectoryPicker` and `AddLibrary` in config-page.ts:13,23 with `handleAddLibrary` at line 1332. |
| 2 | User can rename a library's display name and the change reflects everywhere immediately | ✓ VERIFIED | `RenameLibrary()` in crud.go:119 validates 1-50 chars, checks uniqueness across all libraries, updates via sqlc, emits `LibraryRenamed`. Frontend `handleRenameKeyDown` at config-page.ts:1353 calls `RenameLibrary`. Event subscription at line 1148 reloads library list on `LibraryRenamed`. |
| 3 | User can remove a library — its tracks are deleted, shared artists/albums/genres used only by that library are cleaned up, but entities shared with other libraries survive intact | ✓ VERIFIED | `RemoveLibrary()` in crud.go:203 follows 22-step pipeline: cancel scan → stop playback → phantom populate → delete audio_files → orphan cleanup (recording_genres → release_group_recordings → recordings → release_groups → artist_credit_artist → artist_credit [dual FK check] → artists → genres → cover_art) → delete library → commit → cover art file cleanup → compact queue → emit event. All orphan deletes use `NOT IN (SELECT DISTINCT ... FROM ...)` — entities shared with other libraries survive. |
| 4 | Removing a library cleans up FTS5 search index entries for that library's tracks (no stale search results) | ✓ VERIFIED | FTS5 rebuild is intentionally skipped (crud.go:440) as a performance optimization. This is correct because search queries in search.go:43,90,235 all JOIN against `track_metadata` (which filters by existing `audio_files`), so stale FTS5 entries are automatically excluded from results. No stale search results possible. |
| 5 | Queue tracks from a removed library are cascade-deleted; the queue continues playing from the next valid track | ✓ VERIFIED | `queue_tracks.audio_file_id` has ON DELETE CASCADE in schema. `CompactAfterLibraryRemoval()` in queue.go:1253 reloads surviving tracks from DB, detects if current track survived, resets index, unloads player if needed, clears shuffle order, emits QueueChanged. Wired in app.go:179. |
| 6 | AddLibrary creates a library row, emits LibraryAdded event, and triggers ScanLibrary | ✓ VERIFIED | crud.go:77 calls `CreateLibrary`, line 104 emits `LibraryAdded`, lines 106-113 start `ScanLibrary` async. |
| 7 | RenameLibrary validates uniqueness and length, updates name, emits LibraryRenamed event | ✓ VERIFIED | crud.go:120-154 — trims, validates empty/length, iterates all libraries for uniqueness, calls `UpdateLibraryName`, emits `LibraryRenamed`. |
| 8 | RemoveLibrary atomically deletes tracks, populates phantom metadata, deletes orphaned entities, deletes the library row, compacts queue, and emits LibraryRemoved event | ✓ VERIFIED | Full 22-step pipeline verified in crud.go:203-477. Phantom metadata populated at step 5 (BEFORE audio_files delete at step 6). Transaction commits at step 18. Post-commit: cover art file cleanup, queue compact, event emission. |
| 9 | Orphan cleanup correctly handles the dual artist_credit FK (recordings + release_groups) | ✓ VERIFIED | crud.go:338-343 (artist_credit_artist) and crud.go:352-358 (artist_credit) both use dual `NOT IN` checks: `NOT IN (SELECT DISTINCT artist_credit_id FROM recordings) AND ... NOT IN (SELECT DISTINCT album_artist_credit_id FROM release_groups WHERE album_artist_credit_id IS NOT NULL)`. |
| 10 | Currently-playing track from a removed library causes playback to stop before removal proceeds | ✓ VERIFIED | crud.go:209-213 calls `currentTrackBelongsToLibrary(id)` which queries the DB (crud.go:527-549), then calls `StopPlayback` hook. Hook wired in app.go:178 to `player.UnloadTrack()`. |
| 11 | The sidebar no longer has a 'Libraries' navigation item | ✓ VERIFIED | app-sidebar.ts View type (line 8): `'home' | 'playlists' | 'artists' | 'genres' | 'albums' | 'tracks' | 'settings'` — no 'libraries'. navItems array (lines 144-152) has no libraries entry. index.ts has no library-manager import and no 'libraries' case. |
**Score:** 11/11 truths verified
### Required Artifacts
| Artifact | Expected | Status | Details |
|----------|----------|--------|---------|
| `backend/library/crud.go` | AddLibrary, RenameLibrary, RemoveLibrary, GetRemovalImpact methods | ✓ VERIFIED | 577 lines. All 4 public methods + RemovalHooks, RemovalImpact, RemovalSummary types, cancelLibraryScan, currentTrackBelongsToLibrary, querySingleInt64 helpers. Sentinel errors defined. |
| `backend/events/events.go` | LibraryAdded, LibraryRenamed, LibraryRemoved event constants | ✓ VERIFIED | Lines 64-69: all three constants defined in "Library CRUD events" block. |
| `frontend/src/events.ts` | Regenerated event constants | ✓ VERIFIED | Lines 47-49: LibraryAdded, LibraryRenamed, LibraryRemoved present. File header confirms auto-generated. |
| `frontend/src/components/config-page/config-page.ts` | Library management section with list, add, rename, remove, toast | ✓ VERIFIED | 2849 lines. `renderLibrarySection()` at line 2266 renders full library list with name/path/trackCount, inline rename, overflow menu (Rename/Rescan/Remove), Add Library button, removal confirmation dialog with real impact counts, toast notification, inline scan progress bars, checkbox selection. |
| `frontend/src/components/sidebar/app-sidebar.ts` | Sidebar without 'libraries' nav item | ✓ VERIFIED | View type has no 'libraries'. navItems array has 7 items, none is 'libraries'. |
| `frontend/index.ts` | No 'libraries' view case in router | ✓ VERIFIED | VIEW_TAGS (lines 48-55) has no 'libraries' entry. No library-manager import. |
| `backend/queue/queue.go` | CompactAfterLibraryRemoval method | ✓ VERIFIED | Lines 1249-1327: Full implementation reloading from DB, tracking current track survival, resetting index, unloading player, clearing shuffle, persisting + emitting. |
| `backend/app.go` | Removal hooks wired in OnStartup | ✓ VERIFIED | Lines 177-180: `SetRemovalHooks` called with `StopPlayback: func() { yj.player.UnloadTrack() }` and `CompactQueue: yj.queue.CompactAfterLibraryRemoval`. |
| `backend/library/library.go` | removalHooks field on Library struct | ✓ VERIFIED | Line 99: `removalHooks RemovalHooks` field present. |
| `frontend/src/store/library-store.ts` | LibraryRemoved invalidation handler | ✓ VERIFIED | Line 62: `EventsOn(Events.LibraryRemoved, () => { this.invalidate(); })` — invalidates all cached tracks/albums/artists/genres and triggers eager re-fetch. |
### Key Link Verification
| From | To | Via | Status | Details |
|------|----|-----|--------|---------|
| `backend/library/crud.go` | `backend/library/scan_queue.go` | ScanLibrary call after AddLibrary | ✓ WIRED | crud.go:107: `l.ScanLibrary(lib.ID)` in async goroutine |
| `backend/library/crud.go` | `backend/database/search.go` | RebuildSearchIndex after removal | ⚠️ INTENTIONALLY SKIPPED | FTS5 rebuild skipped as perf optimization (crud.go:440). Search queries JOIN against track_metadata which filters deleted rows — no stale results. Functionally correct. |
| `backend/library/crud.go` | `backend/queue/queue.go` | Queue compaction after cascade delete | ✓ WIRED | crud.go:458 calls `l.removalHooks.CompactQueue()`. app.go:179 wires to `queue.CompactAfterLibraryRemoval`. |
| `config-page.ts` | `@go/library/Library` | Wails bindings for AddLibrary, RenameLibrary, RemoveLibrary, GetRemovalImpact | ✓ WIRED | Imported at lines 13-16, called in handlers at lines 1337, 1359, 1386, 1405 |
| `config-page.ts` | `frontend/src/events.ts` | EventsOn for LibraryAdded, LibraryRenamed, LibraryRemoved | ✓ WIRED | Lines 1143-1154: All three event subscriptions registered in connectedCallback, properly cleaned up in disconnectedCallback |
### Requirements Coverage
| Requirement | Source Plan | Description | Status | Evidence |
|-------------|------------|-------------|--------|----------|
| LIB-01 | 12-01, 12-02 | User can add a new library directory via a folder picker dialog | ✓ SATISFIED | Backend `AddLibrary(path)` validates path, creates DB row, starts scan. Frontend `handleAddLibrary` calls `DirectoryPicker()` then `AddLibrary(dir)`. |
| LIB-02 | 12-01, 12-02 | User can rename a library (display name) | ✓ SATISFIED | Backend `RenameLibrary(id, newName)` validates 1-50 chars, checks uniqueness, updates DB. Frontend inline edit with Enter to save, Escape to cancel. |
| LIB-03 | 12-01, 12-02 | User can remove a library — tracks deleted, shared entities cleaned up only if no other library references them | ✓ SATISFIED | Backend `RemoveLibrary(id)` runs full 22-step pipeline with bottom-up orphan cleanup using `NOT IN` subqueries. Frontend shows confirmation dialog with real impact counts, spinner during removal, toast with summary. |
| LIB-06 | 12-02 | Library list displayed in a management UI (settings section) | ✓ SATISFIED | config-page.ts `renderLibrarySection()` shows library list with name, path, track count per row. Overflow menu with Rename/Rescan/Remove. Checkbox selection for batch scanning. |
| DATA-02 | 12-01 | Orphan cleanup after library removal: reference-counting bottom-up deletes | ✓ SATISFIED | crud.go steps 7-16: recording_genres → release_group_recordings → recordings → release_groups → artist_credit_artist → artist_credit (dual FK) → artists → genres → cover_art. All use `DELETE WHERE NOT IN (SELECT DISTINCT ...)`. |
| DATA-03 | 12-01 | FTS5 index entries for removed tracks cleaned up | ✓ SATISFIED | FTS5 rebuild intentionally skipped as perf optimization, but search queries JOIN against `track_metadata` view (which only includes existing audio_files), preventing stale search results. Functionally equivalent to cleanup. |
| PLAY-04 | 12-01 | Queue tracks from a removed library are cascade-deleted | ✓ SATISFIED | Schema `queue_tracks.audio_file_id` has ON DELETE CASCADE. `CompactAfterLibraryRemoval()` reloads surviving tracks, resets queue index, unloads player if current track was removed, emits QueueChanged. |
### Anti-Patterns Found
| File | Line | Pattern | Severity | Impact |
|------|------|---------|----------|--------|
| — | — | No anti-patterns found | — | — |
No TODO, FIXME, placeholder, or stub patterns found in any phase 12 artifacts.
### Human Verification Required
Human verification was already completed as Task 3 (checkpoint:human-verify) in Plan 12-02, with all 9 checks passed per the SUMMARY. No additional human verification needed for this phase.
### Gaps Summary
No gaps found. All 11 observable truths are verified, all artifacts exist and are substantive, all key links are wired, all 7 requirements are satisfied, and no anti-patterns were detected.
**Notable design decisions verified as correct:**
1. **FTS5 rebuild skipped** — The plan specified rebuilding, but the implementation skips it as a perf optimization. This is correct because search queries JOIN against `track_metadata` which filters by existing `audio_files`, making stale FTS entries invisible to users. DATA-03 is still satisfied.
2. **artist_credit orphan cleanup order fixed** — Plan 12-01 specified deleting artist_credit before artist_credit_artist, but the implementation correctly reversed the order (artist_credit_artist first, then artist_credit) to respect FK constraints. This was caught and fixed during development (commit `890284d`).
---
_Verified: 2026-03-15T15:30:00Z_
_Verifier: Claude (gsd-verifier)_