{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-04T17:33:17.265617+00:00","duration_seconds":0.664678,"id":1370535,"input_summary":"chars=598 node=683210","metadata":{"llm_candidates":[{"callsign":"KZ0K","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KZ0K","recording_id":143379,"started_at":"2026-07-04T17:33:16.600939+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":141781}