{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-12T15:03:58.253581+00:00","duration_seconds":0.597441,"id":1621962,"input_summary":"chars=546 node=66296","metadata":{"llm_candidates":[{"callsign":"KF7ADV","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=KF7ADV","recording_id":160577,"started_at":"2026-07-12T15:03:57.656140+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":157425}