{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-07T17:25:25.963356+00:00","duration_seconds":0.600285,"id":1473618,"input_summary":"chars=157 node=683210","metadata":{"llm_candidates":[{"callsign":"WL7LP","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=WL7LP","recording_id":150457,"started_at":"2026-07-07T17:25:25.363071+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":148244}