{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T16:07:48.400468+00:00","duration_seconds":0.460457,"id":1026774,"input_summary":"chars=49 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KB3JQQ","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KB3JQQ","recording_id":22738,"started_at":"2026-06-28T16:07:47.940011+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":22739}