{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-11T20:11:24.379539+00:00","duration_seconds":0.652706,"id":1612210,"input_summary":"chars=750 node=683211","metadata":{"llm_candidates":[{"callsign":"KW7DTM","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KW7DTM","recording_id":160008,"started_at":"2026-07-11T20:11:23.726833+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":156926}