{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T02:32:32.258956+00:00","duration_seconds":0.947907,"id":297974,"input_summary":"chars=576 node=66296","metadata":{"llm_candidates":[{"callsign":"KC5WFH","confidence":1.0}]},"output_summary":"ai_candidates=1 merged=2 calls=KC5WFH","recording_id":4684,"started_at":"2026-06-25T02:32:31.311049+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":4681}