{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-10T17:41:43.363229+00:00","duration_seconds":0.472924,"id":1571807,"input_summary":"chars=306 node=683210","metadata":{"llm_candidates":[{"callsign":"KD6CWI","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KD6CWI","recording_id":157202,"started_at":"2026-07-10T17:41:42.890305+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":154364}