{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-16T01:27:12.752597+00:00","duration_seconds":0.525289,"id":1720012,"input_summary":"chars=5 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"W7H2Z","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=W7H2Z","recording_id":166623,"started_at":"2026-07-16T01:27:12.227308+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":163034}