{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-12T18:21:39.730788+00:00","duration_seconds":0.610301,"id":1629638,"input_summary":"chars=704 node=683211","metadata":{"llm_candidates":[{"callsign":"VA3UCT","confidence":0.78},{"callsign":"G0AMO","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=VA3UCT,G0AMO","recording_id":161096,"started_at":"2026-07-12T18:21:39.120487+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":157932}