{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-01T03:27:29.855600+00:00","duration_seconds":0.610874,"id":1254789,"input_summary":"chars=709 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"K70UM","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=K70UM","recording_id":134889,"started_at":"2026-07-01T03:27:29.244726+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":134185}