{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-27T21:20:29.331010+00:00","duration_seconds":7.468919,"id":2904695,"input_summary":"chars=771 node=66296","metadata":{"llm_candidates":[{"callsign":"K7LLZ","confidence":0.78},{"callsign":"K6IT","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=K7LLZ,K6IT","recording_id":274316,"started_at":"2026-08-27T21:20:21.862091+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":259448}