feat: show LRCLIB lyrics in Now Playing view with caching#25
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pythoninthegrass merged 1 commit intomainfrom Mar 10, 2026
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feat: show LRCLIB lyrics in Now Playing view with caching#25pythoninthegrass merged 1 commit intomainfrom
pythoninthegrass merged 1 commit intomainfrom
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Add lyrics fetching from lrclib.net with per-track SQLite caching. When lyrics are available, the Now Playing left panel switches to a compact album art header with a scrollable lyrics panel below. When no lyrics are found the view remains unchanged. Backend: db/lyrics.rs (cache CRUD), lyrics.rs (LRCLIB HTTP client with 10s timeout, mt-desktop User-Agent), commands/lyrics.rs (lyrics_get cache-first async command, lyrics_clear_cache). Negative results are cached to avoid repeated failed lookups. Frontend: api/lyrics.js (Tauri command wrapper), now-playing-view.js (lyrics state with visibility-gated fetching, superseded-fetch guard), now-playing.html (conditional two-layout rendering). Tests: 11 Rust tests (DB round-trip, LRCLIB response parsing), 12 Vitest tests (API invocation, visibility gating, track change, error handling). All 622 existing Rust + 331 Vitest tests pass. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
Changes
Backend (Rust)
crates/mt-tauri/src/db/lyrics.rs— cache CRUD (get, save, clear) using existinglyrics_cachetablecrates/mt-tauri/src/lyrics.rs— LRCLIB HTTP client (10s timeout,mt-desktop/<version>User-Agent)crates/mt-tauri/src/commands/lyrics.rs—lyrics_get(async, cache-first) andlyrics_clear_cacheTauri commandsFrontend
app/frontend/js/api/lyrics.js— Tauri command wrapperapp/frontend/js/components/now-playing-view.js— lyrics state with visibility-gated fetching and superseded-fetch guardapp/frontend/views/now-playing.html— conditional two-layout rendering (with/without lyrics)Test plan
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