feat(stats): wire stats server, overlay, and CLI into main process

- Stats server auto-start on immersion tracker init
- Stats overlay toggle via keybinding and IPC
- Stats CLI command (subminer stats) with cleanup mode
- mpv plugin menu integration for stats toggle
- CLI args for --stats, --stats-cleanup, --stats-response-path

src/main/runtime/anilist-media-guess-main-deps.test.ts

@@ -55,7 +55,7 @@ test('ensure anilist media guess main deps builder maps callbacks', async () =>
     getCurrentMediaTitle: () => 'title',
     guessAnilistMediaInfo: async () => {
       calls.push('guess');
-      return { title: 'title', episode: 1, source: 'fallback' };
+      return { title: 'title', season: null, episode: 1, source: 'fallback' };
     },
   })();
 
@@ -64,6 +64,7 @@ test('ensure anilist media guess main deps builder maps callbacks', async () =>
   assert.equal(deps.resolveMediaPathForJimaku('/tmp/video.mkv'), '/tmp/video.mkv');
   assert.deepEqual(await deps.guessAnilistMediaInfo('/tmp/video.mkv', 'title'), {
     title: 'title',
+    season: null,
     episode: 1,
     source: 'fallback',
   });