{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-17T04:37:47.767759+00:00","duration_seconds":0.478463,"id":1780909,"input_summary":"chars=277 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"KF7HQ","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KF7HQ","recording_id":171166,"started_at":"2026-07-17T04:37:47.289296+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":166836}