curl -X GET "https://api.hitler.app/analytics/trends?timeRange=7d" \
  -H "Authorization: Bearer YOUR_TOKEN"

{
  "taskTrends": [
    { "date": "Jan 29", "created": 12, "completed": 8 },
    { "date": "Jan 30", "created": 15, "completed": 11 },
    { "date": "Jan 31", "created": 8, "completed": 10 },
    { "date": "Feb 1", "created": 14, "completed": 9 },
    { "date": "Feb 2", "created": 6, "completed": 7 },
    { "date": "Feb 3", "created": 10, "completed": 12 },
    { "date": "Feb 4", "created": 18, "completed": 14 }
  ],
  "moodTrends": [
    { "date": "Jan 29", "average": 3.5, "count": 18 },
    { "date": "Jan 30", "average": 3.7, "count": 22 },
    { "date": "Jan 31", "average": 3.4, "count": 20 },
    { "date": "Feb 1", "average": 3.8, "count": 19 },
    { "date": "Feb 2", "average": 3.6, "count": 15 },
    { "date": "Feb 3", "average": 3.9, "count": 21 },
    { "date": "Feb 4", "average": 4.0, "count": 24 }
  ]
}