{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T16:51:08.188616+00:00","duration_seconds":2.764712,"id":1834169,"input_summary":"chars=700 node=66296","metadata":{"llm_candidates":[{"callsign":"KF7ADV","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=KF7ADV","recording_id":174848,"started_at":"2026-07-18T16:51:05.423904+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":170174}