{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-26T21:00:32.237192+00:00","duration_seconds":2.550014,"id":2881368,"input_summary":"chars=847 node=66296","metadata":{"llm_candidates":[{"callsign":"K9JEV","confidence":0.78},{"callsign":"KI7R","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=K9JEV,KI7R","recording_id":271973,"started_at":"2026-08-26T21:00:29.687178+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":257402}