memory: log task worker session - due dates, subtasks, task page

memory/heartbeat-state.json

@@ -1,6 +1,14 @@
 {
   "lastChecks": {
-    "email": null,
-    "skills": null
+    "email": 1769660400,
+    "todoApp": 1738094400,
+    "hammerQueue": 1769660400,
+    "skills": 1769523930,
+    "community": null
+  },
+  "notes": {
+    "skills": "clawdhub search timed out",
+    "todoApp": "API key in .env is placeholder 'hammer-todo-key'. Auth still fails.",
+    "hammerQueue": "Primary task system. Creds in .env. Tasks now have taskNumber (HQ-N). API resolves by UUID, number, or HQ-N. Cron task-worker runs every 30min. assigneeId/assigneeName fields now supported."
   }
 }