{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T10:16:41.697313+00:00","duration_seconds":0.901126,"id":970561,"input_summary":"chars=2134 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KG6WKO","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KG6WKO","recording_id":28870,"started_at":"2026-06-28T10:16:40.796187+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":28871}