{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-09T11:47:28.271491+00:00","duration_seconds":2.343739,"id":1525076,"input_summary":"chars=627 node=683210","metadata":{"llm_candidates":[{"callsign":"W4PPX","confidence":0.78},{"callsign":"K4HBT","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=W4PPX,K4HBT","recording_id":153968,"started_at":"2026-07-09T11:47:25.927752+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":151396}