{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T03:59:55.467366+00:00","duration_seconds":1.616187,"id":308701,"input_summary":"chars=825 node=683211","metadata":{"llm_candidates":[{"callsign":"VA3NAK","confidence":1.0},{"callsign":"KC2PKG","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=2 calls=VA3NAK,KC2PKG","recording_id":3433,"started_at":"2026-06-25T03:59:53.851179+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":3433}