{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T17:52:48.058054+00:00","duration_seconds":1.206579,"id":789967,"input_summary":"chars=211 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KI7ZEI","confidence":1.0}]},"output_summary":"ai_candidates=1 merged=1 calls=KI7ZEI","recording_id":52448,"started_at":"2026-06-27T17:52:46.851475+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":52449}