{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T18:13:31.565291+00:00","duration_seconds":0.4722,"id":1043471,"input_summary":"chars=426 node=oldsys","metadata":{"llm_candidates":[{"callsign":"K9PBC","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=K9PBC","recording_id":21070,"started_at":"2026-06-28T18:13:31.093091+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":21071}