{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T21:38:17.772008+00:00","duration_seconds":4.734397,"id":410043,"input_summary":"chars=739 node=66296","metadata":{"llm_candidates":[{"callsign":"K20","confidence":1.0}]},"output_summary":"ai_candidates=1 merged=3 calls=K20","recording_id":459,"started_at":"2026-06-25T21:38:13.037611+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":459}