{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T07:18:53.076419+00:00","duration_seconds":0.938255,"id":329971,"input_summary":"chars=575 node=683210","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":0.55}]},"output_summary":"ai_candidates=1 merged=1 calls=KK7NQN","recording_id":1128,"started_at":"2026-06-25T07:18:52.138164+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":1128}