{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-09T13:26:39.070679+00:00","duration_seconds":1.883892,"id":1528863,"input_summary":"chars=739 node=683210","metadata":{"llm_candidates":[{"callsign":"KQ4ORK","confidence":0.78},{"callsign":"W2EM","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=4 calls=KQ4ORK,W2EM","recording_id":154234,"started_at":"2026-07-09T13:26:37.186787+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":151654}