{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-16T10:09:53.909651+00:00","duration_seconds":0.627625,"id":1732893,"input_summary":"chars=36 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"AG7WT","confidence":0.78},{"callsign":"K7CPR","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=AG7WT,K7CPR","recording_id":167793,"started_at":"2026-07-16T10:09:53.282026+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":163768}