{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-14T12:15:22.685159+00:00","duration_seconds":0.730838,"id":1694149,"input_summary":"chars=695 node=683210","metadata":{"llm_candidates":[{"callsign":"K4ITA","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=K4ITA","recording_id":165425,"started_at":"2026-07-14T12:15:21.954321+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":161949}