{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T20:44:15.173555+00:00","duration_seconds":4.671055,"id":405072,"input_summary":"chars=872 node=683210","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":1.0}]},"output_summary":"ai_candidates=1 merged=2 calls=KK7NQN","recording_id":991,"started_at":"2026-06-25T20:44:10.502500+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":991}