7c15cdda66 library: metadata-enrichment plumbing (cache table + worker lifecycle) — P7 (#707)
* library: metadata-enrichment plumbing (cache table + worker lifecycle) — P7

The pipeline around a deliberately NO-OP matcher, so the real
MusicBrainz text matcher (next slice) replaces exactly one function and
inherits the queue, throttle, lifecycle, and safety contracts:

- song_enrichment cache table: one row per song holding the match
  lifecycle (unscanned -> matched(source,score) | manual | failed) plus
  the canonical values a confident match supplies. A DISPLAY cache -
  canonical values are never auto-written into pack files. Never purged
  on rescan (only by the explicit per-song delete); dead rows filtered
  at read time; re-derivable, so a lost row just re-enriches.
- Identity hashing: sha1 of normalized artist|title|album|duration.
  Filename-free, so a renamed pack keeps its enrichment; unchanged hash
  makes re-enrichment a no-op (idempotent).
- Queue rules (test-pinned): no row / unscanned / identity-changed ->
  re-match; matched + current hash = settled; a MANUAL row is the
  user's pinned pick and is never auto-reset (state and hash both
  survive metadata edits); failed waits for the matcher's backoff
  policy (attempts column ready).
- Worker: _kick_enrich/_enrich_runner mirror the scan's single-flight +
  coalescing pattern, kicked when a scan pass fully completes (the scan
  pool is a no-network process pool by design; the 5-minute periodic
  rescan is the natural retry hook). One bounded pass per kick - no
  drain-loop, since the no-op matcher legitimately leaves rows
  unscanned. _enrich_throttle() is the <=1 req/s seam every matcher
  must call before a network request, and the never-hold-meta_db._lock-
  across-a-fetch rule is documented at the seam.
- CONFIG_DIR/art_cache dir helper (the cover-art slice adds the LRU
  cap) + GET /api/enrichment/status (worker flags + counts by state).

8 new tests; full-suite failure set identical to unmodified main.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Nm7tHs1Yvjjtnnu4nzJgdN

* fix(library): lock enrichment reads on shared conn + skip redundant stub writes (PR #707 review)

Issue 1: wrap the SELECT+fetch in enrichment_pending, get_enrichment and
enrichment_state_counts in self._lock so request-thread reads no longer
interleave with the worker's execute+commit on the shared connection.

Issue 2: guard upsert_enrichment_stub so an already-settled row (manual
pick, or a non-manual row whose content_hash already matches) skips the
UPDATE/commit — stops the no-op matcher re-writing every song each pass.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Fable 5 <noreply@anthropic.com>
Co-authored-by: byrongamatos <xasiklas@gmail.com>
2026-07-02 13:39:10 +02:00
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fee[dB]ack

Plugins

Plugin Description Install
Create from Tab Search Ultimate Guitar for GP tabs and convert to playable songs git clone ...feedBack-plugin-ug.git ultimate_guitar
Import Tab Drag and drop Guitar Pro files to create songs git clone ...feedBack-plugin-tabimport.git tab_import
Practice Journal Auto-track practice time, speed, loops. Dashboard with charts git clone ...feedBack-plugin-practice.git practice_journal
Setlist Builder Create ordered playlists with sequential playback git clone ...feedBack-plugin-setlist.git setlist
Metronome Audible click and visual beat flash synced to song tempo git clone ...feedBack-plugin-metronome.git metronome
Tone Player View amp/pedal/cab signal chains with gear artwork git clone ...feedBack-plugin-tones.git tones
Fretboard View Live fretboard overlay showing active notes in real-time git clone ...feedBack-plugin-fretboard.git fretboard
Tab View Scrolling guitar tablature notation via alphaTab git clone ...feedBack-plugin-tabview.git tab_view
MIDI Amp Control Auto-switch amp/modeler presets via MIDI on tone changes git clone ...feedBack-plugin-midi.git midi_amp
Section Map Color-coded song structure minimap with clickable navigation git clone ...feedBack-plugin-sectionmap.git section_map
Arrangement Editor DAW-like visual editor for creating and editing song note charts git clone ...feedBack-plugin-editor.git editor
MIDI Capo MIDI capo control for real-time transposition git clone ...slopsmith-plugin-midi-capo.git midi_capo
Note Detection Real-time pitch detection and scoring against highway notes git clone ...feedBack-plugin-notedetect.git note_detect
Find More Search for more songs by the same artist git clone ...slopsmith-plugin-find-more.git find_more
Piano Highway Scrolling piano/keyboard view for Keys arrangements with MIDI input git clone ...feedBack-plugin-piano.git piano
Studio Collaborative band recording and multi-track mixing git clone ...feedBack-plugin-studio.git studio
Drum Highway Lane-based drum highway with MIDI drum pad input and built-in sounds git clone ...feedBack-plugin-drums.git drums
Invert Highway Flip the highway note direction git clone ...slopsmith-plugin-invert-highway.git invert_highway
Jumping Tab Yousician-style 2D horizontal tab with trajectory arcs and hopping ball git clone ...slopsmith-plugin-jumpingtab.git jumpingtab
Step Mode Step-by-step practice mode — highway freezes at each note until played (via Note Detection) or Space git clone ...feedBack-plugin-stepmode.git step_mode
Lyrics Sync Generate synced LRC lyrics from text + vocals stem via Whisper alignment git clone ...feedBack-plugin-lyrics-sync.git lyrics_sync
Lyrics Karaoke Per-syllable karaoke pitch ribbon for sloppak songs (Whisper alignment + librosa pYIN) git clone ...feedBack-plugin-lyrics-karaoke.git lyrics_karaoke
NAM Tone Engine In-browser amp modeling with NAM WASM, cabinet IRs, tone auto-switching git clone ...feedBack-plugin-nam-tone.git nam_tone
Guitar Theory Lab Explore scales, chords, intervals, tunings, and voicings on a fully interactive fretboard git clone ...slopsmith-plugin-guitar-theory.git guitar-theory-lab
Themes Offers several basic recolorings of the interface git clone ...slopsmith-plugin-themes.git themes
Update Manager Installs, updates, and uninstalls other plugins and the feedBack core itself git clone ...slopsmith-update-manager.git update_manager
Simplify Chords Changes complex chords on the note highway to simpler ones. Inspired by Ultimate Guitar's Simplify button. git clone ...slopsmith-plugin-simplify-chords.git simplify-chords
Key Bindings Highway key bindings for keyboard and TV remote git clone ...slopsmith-plugin-key-bindings.git key_bindings
Virtuoso Practice studio for guitar & bass — scale, technique, and rhythm drills, timed workouts, and jam backing that teach skills you take off the screen. git clone ...feedBack-plugin-virtuoso.git virtuoso
Audio Preview Quick audio previews from library cards with configurable start time, volume, and duration git clone ...slopsmith-plugin-audio-preview.git audio_preview
Song Mastery Auto-adjusts difficulty based on your rolling note accuracy and saves the slider position per song git clone ...slopsmith-plugin-song-mastery.git song_mastery
Mobile Note Highway Touch-optimized player with collapsible controls, highway gestures, and device-adaptive layouts for phones and tablets git clone ...slopsmith-plugin-mobile-note-highway.git mobile_note_highway

Install any plugin by cloning it into your plugins/ directory and restarting:

cd plugins
git clone https://github.com/got-feedback/feedBack-plugin-ug.git ultimate_guitar
docker compose restart
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