{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-06T23:28:07.494023+00:00","duration_seconds":0.452519,"id":1449859,"input_summary":"chars=79 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"K7C","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=K7C","recording_id":148715,"started_at":"2026-07-06T23:28:07.041504+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":146714}