{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-12T14:55:22.754372+00:00","duration_seconds":0.799002,"id":1621899,"input_summary":"chars=284 node=66296","metadata":{"llm_candidates":[{"callsign":"WA9BVE","confidence":0.78},{"callsign":"KB7RYY","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=WA9BVE,KB7RYY","recording_id":160569,"started_at":"2026-07-12T14:55:21.955370+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":157420}