{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T06:23:40.453644+00:00","duration_seconds":3.6499,"id":600335,"input_summary":"chars=1851 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KC7FRE","confidence":1.0},{"callsign":"KB0MAI","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=2 calls=KC7FRE,KB0MAI","recording_id":74372,"started_at":"2026-06-27T06:23:36.803744+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":74373}