fix: handle notification changes and timing review text safely

- Dismiss stale overlay progress when notification mode changes
- Validate and forward combined timing review text
- Keep macOS timing preview socket paths within system limits

src/core/services/ipc.test.ts

@@ -670,6 +670,61 @@ test('registerIpcHandlers accepts the keep-without-media timing decision', async
   assert.deepEqual(requests, [{ reviewId: 'review-1', decision: { action: 'skip-media' } }]);
 });
 
+test('registerIpcHandlers validates and forwards combined timing review text', async () => {
+  const { registrar, handlers } = createFakeIpcRegistrar();
+  const requests: unknown[] = [];
+  registerIpcHandlers(
+    createRegisterIpcDeps({
+      resolveMediaTimingReview: async (request) => {
+        requests.push(request);
+        return { ok: true };
+      },
+    }),
+    registrar,
+  );
+
+  const handler = handlers.handle.get(IPC_CHANNELS.request.mediaTimingReviewResolve);
+  assert.ok(handler);
+  assert.deepEqual(
+    await handler!(
+      {},
+      {
+        reviewId: 'review-1',
+        decision: {
+          action: 'confirm',
+          startTime: 10,
+          endTime: 12,
+          text: '前の行 対象の行',
+        },
+      },
+    ),
+    { ok: true },
+  );
+  assert.deepEqual(requests, [
+    {
+      reviewId: 'review-1',
+      decision: {
+        action: 'confirm',
+        startTime: 10,
+        endTime: 12,
+        text: '前の行 対象の行',
+      },
+    },
+  ]);
+
+  assert.deepEqual(
+    await handler!(
+      {},
+      {
+        reviewId: 'review-1',
+        decision: { action: 'confirm', startTime: 10, endTime: 12, text: '   ' },
+      },
+    ),
+    { ok: false, message: 'Timing review is unavailable.' },
+  );
+  assert.equal(requests.length, 1);
+});
+
 test('registerIpcHandlers forwards yomitan lookup tracking commands to immersion tracker', () => {
   const { registrar, handlers } = createFakeIpcRegistrar();
   const calls: string[] = [];

src/core/services/ipc.ts

@@ -288,7 +288,9 @@ function parseMediaTimingReviewResolveRequest(
     typeof decisionRecord.startTime === 'number' &&
     Number.isFinite(decisionRecord.startTime) &&
     typeof decisionRecord.endTime === 'number' &&
-    Number.isFinite(decisionRecord.endTime)
+    Number.isFinite(decisionRecord.endTime) &&
+    (decisionRecord.text === undefined ||
+      (typeof decisionRecord.text === 'string' && decisionRecord.text.trim().length > 0))
   ) {
     return {
       reviewId: record.reviewId,
@@ -296,6 +298,7 @@ function parseMediaTimingReviewResolveRequest(
         action: 'confirm',
         startTime: decisionRecord.startTime,
         endTime: decisionRecord.endTime,
+        ...(decisionRecord.text === undefined ? {} : { text: decisionRecord.text }),
       },
     };
   }

src/core/services/media-timing-preview.ts

@@ -59,7 +59,11 @@ function createDefaultSocketPath(): string {
   const suffix = `${process.pid}-${randomUUID()}`;
   return process.platform === 'win32'
     ? `\\\\.\\pipe\\subminer-timing-preview-${suffix}`
-    : path.join(os.tmpdir(), `subminer-timing-preview-${suffix}.sock`);
+    : path.join(
+        // macOS limits Unix socket paths to 104 bytes, while its temp directory can be long.
+        process.platform === 'darwin' ? '/tmp' : os.tmpdir(),
+        `subminer-timing-preview-${suffix}.sock`,
+      );
 }
 
 function removePosixSocketFile(socketPath: string): void {