{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-08T11:43:55.134873+00:00","duration_seconds":29.225711,"id":1496898,"input_summary":"chars=626 node=683210","metadata":{"llm_candidates":[{"callsign":"NW4QAO","confidence":0.78},{"callsign":"KB3EIR","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=6 calls=NW4QAO,KB3EIR","recording_id":152035,"started_at":"2026-07-08T11:43:25.909162+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":149659}