{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T04:00:18.038646+00:00","duration_seconds":1.624817,"id":308755,"input_summary":"chars=356 node=683210","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":1.0},{"callsign":"KG5M","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=2 calls=KK7NQN,KG5M","recording_id":3122,"started_at":"2026-06-25T04:00:16.413829+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":3122}