{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-08T14:50:51.544413+00:00","duration_seconds":2.255719,"id":1503578,"input_summary":"chars=735 node=683211","metadata":{"llm_candidates":[{"callsign":"KT7JOE","confidence":0.78},{"callsign":"KC7YFE","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KT7JOE,KC7YFE","recording_id":152530,"started_at":"2026-07-08T14:50:49.288694+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":150086}