{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-06T13:42:44.060837+00:00","duration_seconds":0.581007,"id":1431423,"input_summary":"chars=509 node=683211","metadata":{"llm_candidates":[{"callsign":"K9PFT","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=K9PFT","recording_id":147406,"started_at":"2026-07-06T13:42:43.479830+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":145565}