{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-08T12:42:32.821838+00:00","duration_seconds":12.32602,"id":1498487,"input_summary":"chars=725 node=683210","metadata":{"llm_candidates":[{"callsign":"KM4CTB","confidence":0.78},{"callsign":"AK6CZ","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KM4CTB,AK6CZ","recording_id":152154,"started_at":"2026-07-08T12:42:20.495818+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":149776}