{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-08T03:55:26.401690+00:00","duration_seconds":1.405846,"id":1491879,"input_summary":"chars=583 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"AF9BD","confidence":0.78},{"callsign":"KZ7MH","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=AF9BD,KZ7MH","recording_id":151707,"started_at":"2026-07-08T03:55:24.995844+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":149375}