{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-17T15:39:15.587671+00:00","duration_seconds":0.654085,"id":1796793,"input_summary":"chars=186 node=683211","metadata":{"llm_candidates":[{"callsign":"K6YAU","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=K6YAU","recording_id":172290,"started_at":"2026-07-17T15:39:14.933586+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":167835}