{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T17:45:11.605886+00:00","duration_seconds":0.877068,"id":1039877,"input_summary":"chars=1649 node=oldsys","metadata":{"llm_candidates":[{"callsign":"A84HO","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=A84HO","recording_id":21430,"started_at":"2026-06-28T17:45:10.728818+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":21431}