diff --git a/src/web-dashboard-inbox-routes.test.ts b/src/web-dashboard-inbox-routes.test.ts
index 476571a..d40d574 100644
--- a/src/web-dashboard-inbox-routes.test.ts
+++ b/src/web-dashboard-inbox-routes.test.ts
@@ -77,6 +77,38 @@ function makeDeps(
 }
 
 describe('web dashboard inbox action routes', () => {
+  it('tracks timestamped and global inbox dismissals separately', () => {
+    const tracker = createInboxDismissTracker();
+
+    tracker.dismiss('ci:task-1', '2026-04-26T05:00:00.000Z');
+    expect(
+      tracker.isDismissed({
+        id: 'ci:task-1',
+        lastOccurredAt: '2026-04-26T05:00:00.000Z',
+      }),
+    ).toBe(true);
+    expect(
+      tracker.isDismissed({
+        id: 'ci:task-1',
+        lastOccurredAt: '2026-04-26T05:05:00.000Z',
+      }),
+    ).toBe(false);
+
+    tracker.dismiss('ci:task-2', null);
+    expect(
+      tracker.isDismissed({
+        id: 'ci:task-2',
+        lastOccurredAt: '2026-04-26T05:00:00.000Z',
+      }),
+    ).toBe(true);
+    expect(
+      tracker.isDismissed({
+        id: 'ci:task-2',
+        lastOccurredAt: '2026-04-26T05:05:00.000Z',
+      }),
+    ).toBe(true);
+  });
+
   it('dismisses inbox items and queues paired follow-up intents', async () => {
     const dismissTracker = createInboxDismissTracker();
     const task = makePairedTask({ id: 'merge-1', status: 'merge_ready' });
diff --git a/src/web-dashboard-room-message-routes.test.ts b/src/web-dashboard-room-message-routes.test.ts
index 8bceb0c..9f74098 100644
--- a/src/web-dashboard-room-message-routes.test.ts
+++ b/src/web-dashboard-room-message-routes.test.ts
@@ -68,6 +68,17 @@ function makeDeps(
 }
 
 describe('web dashboard room message routes', () => {
+  it('expires the oldest remembered room message ids after the cache limit', () => {
+    const remember = createRoomMessageIdCache(2);
+
+    expect(remember('room:message-1')).toBe(true);
+    expect(remember('room:message-1')).toBe(false);
+    expect(remember('room:message-2')).toBe(true);
+    expect(remember('room:message-3')).toBe(true);
+    expect(remember('room:message-1')).toBe(true);
+    expect(remember('room:message-2')).toBe(true);
+  });
+
   it('injects messages and deduplicates repeated request ids', async () => {
     const messages: NewMessage[] = [];
     const queued: Array<{ chatJid: string; groupFolder: string }> = [];