{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-06T01:45:16.291897+00:00","duration_seconds":1.232107,"id":1413082,"input_summary":"chars=935 node=683211","metadata":{"llm_candidates":[{"callsign":"KM4MPF","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KM4MPF","recording_id":146193,"started_at":"2026-07-06T01:45:15.059790+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":144418}