{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T18:13:42.942727+00:00","duration_seconds":0.838444,"id":1043508,"input_summary":"chars=490 node=oldsys","metadata":{"llm_candidates":[{"callsign":"K9BDC","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=K9BDC","recording_id":21066,"started_at":"2026-06-28T18:13:42.104283+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":21067}