{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-01T01:23:30.159340+00:00","duration_seconds":2.656308,"id":1250009,"input_summary":"chars=754 node=683211","metadata":{"llm_candidates":[{"callsign":"KC0EFS","confidence":0.78},{"callsign":"K6DAY","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=KC0EFS,K6DAY","recording_id":134529,"started_at":"2026-07-01T01:23:27.503032+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":133852}