{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-01T11:51:30.066838+00:00","duration_seconds":1.436383,"id":1259566,"input_summary":"chars=581 node=683210","metadata":{"llm_candidates":[{"callsign":"W8WHK","confidence":0.78},{"callsign":"W2SAO","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=W8WHK,W2SAO","recording_id":135217,"started_at":"2026-07-01T11:51:28.630455+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":134478}