{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-03T12:54:22.899275+00:00","duration_seconds":2.418183,"id":1322058,"input_summary":"chars=576 node=683210","metadata":{"llm_candidates":[{"callsign":"W2JUL","confidence":0.78},{"callsign":"W2JM","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=W2JUL,W2JM","recording_id":139843,"started_at":"2026-07-03T12:54:20.481092+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":138659}