{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T10:35:40.939445+00:00","duration_seconds":2.574426,"id":353850,"input_summary":"chars=578 node=683210","metadata":{"llm_candidates":[{"callsign":"KC5CZX","confidence":1.0},{"callsign":"SM6KUT","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=2 calls=KC5CZX,SM6KUT","recording_id":100726,"started_at":"2026-06-25T10:35:38.365019+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":100727}