{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-12T17:52:21.231399+00:00","duration_seconds":2.612275,"id":1628473,"input_summary":"chars=673 node=683210","metadata":{"llm_candidates":[{"callsign":"VA3CRF","confidence":0.78},{"callsign":"VA3LPA","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=VA3CRF,VA3LPA","recording_id":161019,"started_at":"2026-07-12T17:52:18.619124+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":157857}