{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-03T01:51:41.157493+00:00","duration_seconds":1.825358,"id":2337642,"input_summary":"chars=93 node=683211","metadata":{"llm_candidates":[{"callsign":"KZ4IT","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KZ4IT","recording_id":213021,"started_at":"2026-08-03T01:51:39.332135+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":204309}