Description

Add a statistics endpoint that returns the count of tips grouped by topic. This is useful for displaying topic distribution in a dashboard.

Requirements

• Add GET /api/tips/stats endpoint
• Return count of tips for each topic
• Include total count

Example Response

{
  "total": 35,
  "byTopic": {
    "shortcuts": 5,
    "chat": 12,
    "completions": 5,
    "prompts": 8,
    "agents": 5
  }
}

Acceptance Criteria

• Stats endpoint returns correct counts
• Response includes all topics even if count is 0
• Tests verify the stats endpoint