{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-03T21:29:07.763391+00:00","duration_seconds":2.343354,"id":2359858,"input_summary":"chars=174 node=683211","metadata":{"llm_candidates":[{"callsign":"AB6MB","confidence":0.78},{"callsign":"K9JB","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=AB6MB,K9JB","recording_id":215419,"started_at":"2026-08-03T21:29:05.420037+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":206491}