{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-10T16:28:31.014023+00:00","duration_seconds":7.418768,"id":2507554,"input_summary":"chars=653 node=66296","metadata":{"llm_candidates":[{"callsign":"KI7ZI","confidence":0.78},{"callsign":"K9WRP","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KI7ZI,K9WRP","recording_id":231350,"started_at":"2026-08-10T16:28:23.595255+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":220711}