{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-14T06:18:20.347740+00:00","duration_seconds":1.293043,"id":1690375,"input_summary":"chars=547 node=683211","metadata":{"llm_candidates":[{"callsign":"KW7DTM","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=3 calls=KW7DTM","recording_id":165226,"started_at":"2026-07-14T06:18:19.054697+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":161755}