Makelore 2.0 initial clean snapshot

tests/unit/sidebar-session-buckets.test.ts

@@ -0,0 +1,32 @@
+import { describe, expect, it } from 'vitest';
+import { getSessionActivityMs, getSessionBucket } from '@/components/layout/session-buckets';
+
+describe('sidebar session date buckets', () => {
+  it('uses the timestamp embedded in a locally-created session key as activity fallback', () => {
+    const createdAtMs = new Date('2026-05-06T10:00:00.000Z').getTime();
+    const nowMs = new Date('2026-05-06T12:00:00.000Z').getTime();
+    const session = {
+      key: `agent:main:session-${createdAtMs}`,
+      displayName: `agent:main:session-${createdAtMs}`,
+    };
+
+    const activityMs = getSessionActivityMs(session, {});
+
+    expect(activityMs).toBe(createdAtMs);
+    expect(getSessionBucket(activityMs, nowMs)).toBe('today');
+  });
+
+  it('prefers real message activity over backend metadata or key creation time', () => {
+    const keyCreatedAtMs = new Date('2026-05-06T10:00:00.000Z').getTime();
+    const updatedAtMs = new Date('2026-05-06T11:00:00.000Z').getTime();
+    const messageActivityMs = new Date('2026-05-06T12:00:00.000Z').getTime();
+
+    expect(getSessionActivityMs(
+      {
+        key: `agent:main:session-${keyCreatedAtMs}`,
+        updatedAt: updatedAtMs,
+      },
+      { [`agent:main:session-${keyCreatedAtMs}`]: messageActivityMs },
+    )).toBe(messageActivityMs);
+  });
+});