feat: add agent API and operational analytics

tests/database.test.ts

@@ -107,7 +107,7 @@ describe('Database Client', () => {
         .prepare("SELECT name FROM sqlite_master WHERE type='table' AND name NOT LIKE 'sqlite_%'")
         .all() as { name: string }[];
       // Existing domain/config tables plus account, conversation, sync and media ownership stores.
-      expect(tables.length).toBe(13);
+      expect(tables.length).toBe(14);
     });
 
     it('tracks schema version and migrates a legacy sent_messages table transactionally', () => {