{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-03T21:35:46.873813+00:00","duration_seconds":0.545273,"id":1343636,"input_summary":"chars=646 node=683211","metadata":{"llm_candidates":[{"callsign":"T7MBH","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=T7MBH","recording_id":141428,"started_at":"2026-07-03T21:35:46.328540+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":140053}