chore: remove dead code + stop shipping dev sample WAVs

src/index.css

@@ -13,7 +13,6 @@
   --accent-soft: #2a2114;
 
   --font: 'Bricolage Grotesque Variable', -apple-system, system-ui, sans-serif;
-  --dock-h: 150px; /* reserved space so content never hides under the dock */
 
   color-scheme: dark;
 }
@@ -77,7 +76,6 @@ body {
 }
 
 .view__head { margin-bottom: 18px; }
-.view__head--row { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; }
 .view__titlerow { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
 
 .importbtn { display: inline-flex; align-items: center; gap: 7px; flex-shrink: 0; margin-top: 6px; }
@@ -178,10 +176,6 @@ body {
   color: var(--text); font-size: 16px; /* 16px = no iOS zoom-on-focus */
   padding: 13px 0; outline: none;
 }
-.searchbar__clear {
-  border: none; background: none; color: var(--text-faint);
-  font-size: 22px; line-height: 1; cursor: pointer; padding: 0 4px;
-}
 .searchbar__icon {
   border: none; background: none; color: var(--text-dim);
   display: grid; place-items: center; cursor: pointer;
@@ -282,11 +276,6 @@ body {
 .plcard__name { font-size: 16px; font-weight: 600; }
 .plrow { display: flex; align-items: center; }
 .plrow .row { flex: 1; }
-.backbtn {
-  background: none; border: none; color: var(--accent);
-  font-family: var(--font); font-size: 15px; font-weight: 600;
-  padding: 0 0 12px; cursor: pointer;
-}
 
 /* ── bottom sheet ────────────────────────────────────────────── */
 .sheet-overlay {

src/state/useLibrary.js

@@ -12,18 +12,10 @@ export function useTracks() {
   return useLiveQuery(() => db.tracks.orderBy('dateAdded').reverse().toArray())
 }
 
-export function useStarredTracks() {
-  return useLiveQuery(() => db.tracks.where('starred').equals(1).toArray())
-}
-
 export function usePlaylists() {
   return useLiveQuery(() => db.playlists.orderBy('createdAt').reverse().toArray())
 }
 
-export function usePlaylist(id) {
-  return useLiveQuery(() => (id == null ? undefined : db.playlists.get(id)), [id])
-}
-
 export function useLyrics(trackId) {
   return useLiveQuery(() => (trackId == null ? undefined : db.lyrics.get(trackId)), [trackId])
 }

vite.config.js

@@ -1,7 +1,20 @@
+import { rm } from 'node:fs/promises'
 import { defineConfig } from 'vite'
 import react from '@vitejs/plugin-react'
 import { VitePWA } from 'vite-plugin-pwa'
 
+// The public/samples/*.wav tones are dev-only seed fixtures (see src/lib/seed.js,
+// gated behind import.meta.env.DEV). Because they live in public/ they'd be
+// copied verbatim into the build; strip them from the production output so
+// ~2.7MB of audio no user ever plays doesn't ship.
+const stripDevSamplesPlugin = () => ({
+  name: 'melody-strip-dev-samples',
+  apply: 'build',
+  closeBundle: async () => {
+    await rm('dist/samples', { recursive: true, force: true })
+  },
+})
+
 // Content-Security-Policy (defense-in-depth). Injected into index.html for
 // PRODUCTION BUILDS ONLY — dev/HMR needs inline scripts + eval, which this would
 // block. Sources: app assets are same-origin ('self'); thumbnails come from
@@ -49,6 +62,7 @@ export default defineConfig(({ command }) => ({
   plugins: [
     // CSP only in the built HTML — injecting it in dev would break Vite HMR.
     command === 'build' && cspPlugin(),
+    stripDevSamplesPlugin(), // apply:'build' gates it to production
     react(),
     VitePWA({
       // 'autoUpdate' = the new service worker activates and reloads the page as