{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-05T00:28:29.446455+00:00","duration_seconds":0.47624,"id":1382572,"input_summary":"chars=84 node=66296","metadata":{"llm_candidates":[{"callsign":"K7ZBX","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=K7ZBX","recording_id":144148,"started_at":"2026-07-05T00:28:28.970215+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":142504}