{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-06T21:15:20.299560+00:00","duration_seconds":2.730215,"id":1448544,"input_summary":"chars=377 node=683210","metadata":{"llm_candidates":[{"callsign":"KB3JRB","confidence":0.78},{"callsign":"KI7R","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KB3JRB,KI7R","recording_id":148598,"started_at":"2026-07-06T21:15:17.569345+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":146643}