{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-12T20:56:25.758572+00:00","duration_seconds":0.451029,"id":1633426,"input_summary":"chars=121 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"K7C","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=K7C","recording_id":161343,"started_at":"2026-07-12T20:56:25.307543+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":158161}