{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-06T20:10:51.516596+00:00","duration_seconds":2.634439,"id":1445909,"input_summary":"chars=728 node=683211","metadata":{"llm_candidates":[{"callsign":"V01XH","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=3 calls=V01XH","recording_id":148439,"started_at":"2026-07-06T20:10:48.882157+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":146489}