{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-01T19:48:53.563860+00:00","duration_seconds":0.614189,"id":1275871,"input_summary":"chars=732 node=683211","metadata":{"llm_candidates":[{"callsign":"GM0UUB","confidence":0.78},{"callsign":"N1K","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=GM0UUB,N1K","recording_id":136436,"started_at":"2026-07-01T19:48:52.949671+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":135580}