{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-24T01:40:52.012364+00:00","duration_seconds":2.725615,"id":177521,"input_summary":"chars=647 node=683210","metadata":{"llm_candidates":[{"callsign":"K0ECK","confidence":1.0},{"callsign":"K7NQN","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=2 calls=K0ECK,K7NQN","recording_id":111731,"started_at":"2026-06-24T01:40:49.286749+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":111730}