{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T20:13:18.952529+00:00","duration_seconds":0.488786,"id":1839739,"input_summary":"chars=158 node=66296","metadata":{"llm_candidates":[{"callsign":"KF70ZP","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KF70ZP","recording_id":175225,"started_at":"2026-07-18T20:13:18.463743+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":170512}