fix: address coderabbit subtitle follow-ups

src/core/services/mpv.test.ts

@@ -515,6 +515,23 @@ test('MpvIpcClient playNextSubtitle starts playback from paused state and auto-p
   ]);
 });
 
+test('MpvIpcClient playNextSubtitle starts playback when pause state is unknown', () => {
+  const commands: unknown[] = [];
+  const client = new MpvIpcClient('/tmp/mpv.sock', makeDeps());
+  (client as any).send = (payload: unknown) => {
+    commands.push(payload);
+    return true;
+  };
+
+  client.playNextSubtitle();
+
+  assert.equal((client as any).pendingPauseAtSubEnd, true);
+  assert.deepEqual(commands, [
+    { command: ['sub-seek', 1] },
+    { command: ['set_property', 'pause', false] },
+  ]);
+});
+
 test('MpvIpcClient playNextSubtitle still auto-pauses at end while already playing', async () => {
   const commands: unknown[] = [];
   const client = new MpvIpcClient('/tmp/mpv.sock', makeDeps());

src/core/services/mpv.ts

@@ -525,7 +525,7 @@ export class MpvIpcClient implements MpvClient {
     this.pendingPauseAtSubEnd = true;
     this.pauseAtTime = null;
     this.send({ command: ['sub-seek', 1] });
-    if (this.playbackPaused === true) {
+    if (this.playbackPaused !== false) {
       this.send({ command: ['set_property', 'pause', false] });
     }
   }

src/core/services/stats-window.ts

@@ -51,7 +51,9 @@ function showStatsWindow(window: BrowserWindow, options: StatsWindowOptions): vo
   promoteStatsWindowLevel(window);
   window.show();
   placementBounds = syncStatsWindowBounds(window, bounds) ?? placementBounds;
-  if (!ensureHyprlandWindowFloatingByTitle({ title: STATS_WINDOW_TITLE, bounds: placementBounds })) {
+  if (
+    !ensureHyprlandWindowFloatingByTitle({ title: STATS_WINDOW_TITLE, bounds: placementBounds })
+  ) {
     placementBounds = syncStatsWindowBounds(window, bounds) ?? placementBounds;
   }
   window.focus();

src/core/services/tokenizer/parser-selection-stage.test.ts

@@ -187,6 +187,38 @@ test('splits trailing grammar endings when later segments are standalone words',
   );
 });
 
+test('keeps preceding reading when standalone grammar ending has empty reading', () => {
+  const parseResults = [
+    makeParseItem('scanning-parser', [
+      [
+        { text: '猫', reading: 'ねこ', headword: '猫' },
+        { text: 'です', reading: '', headword: 'です' },
+      ],
+    ]),
+  ];
+
+  const tokens = selectYomitanParseTokens(parseResults, () => false, 'headword');
+  assert.deepEqual(
+    tokens?.map((token) => ({
+      surface: token.surface,
+      reading: token.reading,
+      headword: token.headword,
+    })),
+    [
+      {
+        surface: '猫',
+        reading: 'ねこ',
+        headword: '猫',
+      },
+      {
+        surface: 'です',
+        reading: '',
+        headword: 'です',
+      },
+    ],
+  );
+});
+
 test('splits trailing ja-nai grammar endings from preceding content', () => {
   const parseResults = [
     makeParseItem('scanning-parser', [

src/core/services/tokenizer/parser-selection-stage.ts

@@ -270,7 +270,7 @@ export function mapYomitanParseResultItemToMergedTokens(
       const segmentHeadword = extractYomitanHeadword(segment);
       if (isStandaloneGrammarEndingSegment(segment)) {
         combinedSurface = combinedSurface.slice(0, -segmentText.length);
-        if (typeof segment.reading === 'string') {
+        if (typeof segment.reading === 'string' && segment.reading.length > 0) {
           combinedReading = combinedReading.slice(0, -segment.reading.length);
         }
         flushCombinedToken(segmentStart);