{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-16T16:40:49.963659+00:00","duration_seconds":2.452782,"id":1750831,"input_summary":"chars=865 node=66296","metadata":{"llm_candidates":[{"callsign":"KF7A","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=KF7A","recording_id":169109,"started_at":"2026-07-16T16:40:47.510877+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":165002}