{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-20T14:29:16.352611+00:00","duration_seconds":2.27667,"id":2728611,"input_summary":"chars=700 node=683210","metadata":{"llm_candidates":[{"callsign":"KB8KLK","confidence":0.78},{"callsign":"W2EM","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KB8KLK,W2EM","recording_id":255379,"started_at":"2026-08-20T14:29:14.075941+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":242281}