{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-10T04:15:31.421647+00:00","duration_seconds":1.045511,"id":1554699,"input_summary":"chars=632 node=683211","metadata":{"llm_candidates":[{"callsign":"KG7JXM","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KG7JXM","recording_id":155978,"started_at":"2026-07-10T04:15:30.376136+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":153248}