{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-07T19:33:04.706769+00:00","duration_seconds":2.157659,"id":1477442,"input_summary":"chars=593 node=683210","metadata":{"llm_candidates":[{"callsign":"KC5WH","confidence":0.78},{"callsign":"K9CH","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KC5WH,K9CH","recording_id":150702,"started_at":"2026-07-07T19:33:02.549110+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":148473}