{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T13:26:32.018152+00:00","duration_seconds":0.991697,"id":369317,"input_summary":"chars=417 node=683210","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":0.55}]},"output_summary":"ai_candidates=1 merged=3 calls=KK7NQN","recording_id":3987,"started_at":"2026-06-25T13:26:31.026455+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":3987}