GET /api/health

{
  "status": "ok",
  "health": "healthy",
  "timestamp": "2026-03-19T00:00:00Z",
  "cpu": {
    "usage": 15.3,
    "cores": 4
  },
  "memory": {
    "usage": 42.1,
    "total": 8589934592,
    "used": 3617054720,
    "free": 4972879872
  },
  "uptime": 86400
}

{
  "status": "error",
  "health": "unhealthy",
  "timestamp": "2026-03-19T00:00:00Z"
}

GET /api/heartbeat

{
  "heartbeat": {
    "frequency": "3h",
    "enabled": true,
    "lastHeartbeat": "2026-03-19T00:00:00Z",
    "nextHeartbeat": "2026-03-19T03:00:00Z"
  },
  "message": "Heartbeat scheduling database integration pending"
}

POST /api/heartbeat

{
  "frequency": "3h",
  "enabled": true,
  "lastUpdated": "2026-03-19T00:00:00Z",
  "lastHeartbeat": "2026-03-19T00:00:00Z",
  "nextHeartbeat": "2026-03-19T03:00:00Z",
  "message": "Heartbeat settings will persist to database once integration is complete"
}

DELETE /api/heartbeat

{
  "success": true,
  "message": "Heartbeat settings reset - database cleanup will occur once integration is complete"
}