{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-29T06:25:15.392511+00:00","duration_seconds":0.492971,"id":1141739,"input_summary":"chars=1615 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KM1X","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=KM1X","recording_id":16596,"started_at":"2026-06-29T06:25:14.899540+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":16597}