{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-13T12:19:20.874733+00:00","duration_seconds":0.5361,"id":1654556,"input_summary":"chars=64 node=683210","metadata":{"llm_candidates":[{"callsign":"VA3K","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=VA3K","recording_id":162728,"started_at":"2026-07-13T12:19:20.338633+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":159482}