{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T15:14:38.703499+00:00","duration_seconds":0.479164,"id":1830095,"input_summary":"chars=651 node=683210","metadata":{"llm_candidates":[{"callsign":"AI6US","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=3 calls=AI6US","recording_id":174550,"started_at":"2026-07-18T15:14:38.224335+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":169903}