{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T17:09:30.041588+00:00","duration_seconds":0.681991,"id":1035798,"input_summary":"chars=276 node=oldsys","metadata":{"llm_candidates":[{"callsign":"AB6MB","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=AB6MB","recording_id":27579,"started_at":"2026-06-28T17:09:29.359597+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":27580}