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-# Refactoring Catalog
-
-Prioritized list of architectural improvements identified during a full codebase audit (Feb 2026). Items are grouped by priority — tackle P1 before adding major features, P2 as convenient, P3 opportunistically.
-
----
-
-## P1 — Should fix before adding major features
-
-### 1. ~~Resolve `RequestPlay` dual-handler ambiguity~~ — solved
-
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-
-### 2. ~~Remove player from Wails `FEBindings` (or remove event handlers)~~ — solved
-
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-
-### 3. ~~Split `queue.go` (2254 lines)~~ — solved
-
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-
-### 4. ~~Split `cover-grid.ts` (3740 lines)~~ - solved
-
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-
-## P2 — Fix when convenient
-
-### ~~5. Delete `backend/models/` package (dead code)~~ - solved
-
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-
-### ~~6. Extract `SizedFilename` to a shared utility package~~ — solved
-
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-
-### 7. ~~Consolidate `LibraryScanComplete` handling~~ — solved
-
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-
-### ~~8. Type the WebAwesome popup interactions (eliminate 49x `as any`)~~ — solved
-
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-
-### ~~9. Replace `GetCurrentTrackInfo` `map[string]interface{}` with a struct~~ — solved
-
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-
-### ~~10. Move `FullRescan` orchestration from library to app~~ — solved
-
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-
-### ~~11. Fix double `LibraryScanStarted` event during FullRescan~~ — solved
-
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-
-### 12. Inconsistent communication patterns: queue (events) vs playlist (bindings)
-
-**Problem:** Queue operations use 14+ `Request*` events with manual `data[0].(type)` casting in ~300 lines of handler boilerplate. Playlist operations use direct Wails bindings with type-safe Go function signatures.
-
-**Why it matters:** Inconsistency makes the codebase harder to learn. The queue's event-only approach requires substantial boilerplate that the playlist avoids. New features on the queue require touching 4 files (Go event constant, TS event constant, Go handler, TS store method) vs 1-2 files for the playlist.
-
-**Approach:** This is a larger refactor. Two options:
-
-1. **Move queue to bindings** (recommended): Add the queue to `FEBindings`, expose typed methods, call them directly from the frontend store. Remove the event handlers and the `Request*` events. Keep the backend-to-frontend events (`QueueChanged`, etc.) for state push.
-2. **Accept the inconsistency**: Document the rationale (queue existed before playlists, events were the original pattern, bindings were adopted later). Add a comment in AGENTS.md.
-
----
-
-## P3 — Fix opportunistically
-
-### 13. Dead player methods: `ChangeVolume`, `MuteToggle`, `CurrentPosition`
-
-**Problem:** `ChangeVolume()` (`player.go`), `MuteToggle()` (`player.go`), and `CurrentPosition()` (percentage-based, `player.go`) have zero callers anywhere in the codebase.
-
-**Approach:** Delete them, or keep them if you plan to add keyboard shortcuts / media key support soon.
-
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-
-### 14. ~~Unused queue sentinels: `ErrEmptyQueue`, `ErrNoPlayer`~~ — solved
-
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-
-### 15. `SeekFailed` event emitted but never listened to
-
-**Problem:** `player.go` emits `SeekFailed` when seeking fails, but no frontend code subscribes to it. Users get no feedback on seek failure.
-
-**Approach:** Either add a frontend listener that shows a brief notification/toast, or remove the event emission if seek failure feedback isn't needed.
-
----
-
-### 16. `path.Join` instead of `filepath.Join` in config
-
-**Problem:** `config/config.go:41` uses `path.Join` (POSIX paths) instead of `filepath.Join` (OS-aware paths) for constructing the config file path.
-
-**Approach:** Replace with `filepath.Join`. Single-line change.
-
----
-
-### 17. Replace 200ms sleep with frontend-ready handshake
-
-**Problem:** `app.go:205-216` uses `time.Sleep(200 * time.Millisecond)` before emitting state to the frontend, assuming it will be ready by then.
-
-**Approach:** Have the frontend emit a "ready" event when its stores have initialized. The backend listens for this event and then emits the current state. Eliminates the timing assumption.
-
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-
-### 18. ~~Custom `sortInts` in queue instead of `slices.Sort`~~ — solved
-
-Replaced during the queue.go refactoring (item #3).
-
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-
-### 19. `playlist-picker.ts` bypasses `playlistStore`
-
-**Problem:** `playlist-picker.ts` calls `GetAllPlaylists()` directly from the Go binding instead of going through `playlistStore`. It fetches only summaries (not `WithTracks`), which is why it doesn't use the store.
-
-**Approach:** Either add a `getSummaries()` method to the playlist store that caches just the summary list, or accept this as intentional since the picker only needs summaries and the full `WithTracks` fetch would be wasteful for this use case.
-
----
-
-### 20. `library-manager.ts` and `config-page.ts` overlap
-
-**Problem:** Both components exist (different nav routes: "libraries" vs "settings"). `config-page.ts` has a comment saying scan metrics were "carried over from library-manager". They may have diverging copies of similar logic.
-
-**Approach:** Audit both components for duplicated logic. If the library manager's functionality is fully subsumed by the config page, consider removing it and redirecting the "libraries" nav route.