{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-24T12:00:07.048541+00:00","duration_seconds":2.362268,"id":218566,"input_summary":"chars=476 node=683210","metadata":{"llm_candidates":[{"callsign":"KC1HTV","confidence":1.0},{"callsign":"KK7NQN","confidence":0.55}]},"output_summary":"ai_candidates=2 merged=2 calls=KC1HTV,KK7NQN","recording_id":120969,"started_at":"2026-06-24T12:00:04.686273+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":120970}