{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-16T10:13:00.969117+00:00","duration_seconds":0.478862,"id":1732996,"input_summary":"chars=21 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"AG7WT","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=AG7WT","recording_id":167799,"started_at":"2026-07-16T10:13:00.490255+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":163774}