{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-04T18:31:10.074051+00:00","duration_seconds":0.488602,"id":1372839,"input_summary":"chars=603 node=683210","metadata":{"llm_candidates":[{"callsign":"KF2WV","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KF2WV","recording_id":143529,"started_at":"2026-07-04T18:31:09.585449+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":141925}