GET /v1/call-tracking/sessions/{session_uuid}/timeline

curl -X GET https://api.vonative.com/v1/call-tracking/sessions/a1b2c3d4-.../timeline \
  -H "Authorization: Bearer YOUR_API_KEY"

{
  "success": true,
  "data": [
    {
      "event_type": "call_started",
      "timestamp": "2025-01-15T10:30:00Z",
      "details": { ... }
    },
    {
      "event_type": "assistant_spoke",
      "timestamp": "2025-01-15T10:30:05Z"
    }
  ]
}