{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-05T12:44:35.706182+00:00","duration_seconds":0.502069,"id":1394901,"input_summary":"chars=62 node=683211","metadata":{"llm_candidates":[{"callsign":"D6ULC","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=D6ULC","recording_id":144957,"started_at":"2026-07-05T12:44:35.204113+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":143275}