{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-01T11:45:35.335080+00:00","duration_seconds":3.59833,"id":1259348,"input_summary":"chars=548 node=683210","metadata":{"llm_candidates":[{"callsign":"M4RSM","confidence":0.78},{"callsign":"W2HV","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=M4RSM,W2HV","recording_id":135199,"started_at":"2026-07-01T11:45:31.736750+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":134460}