{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-10T18:48:46.055673+00:00","duration_seconds":0.624535,"id":1573789,"input_summary":"chars=87 node=683210","metadata":{"llm_candidates":[{"callsign":"KI7PKL","confidence":0.78},{"callsign":"G1DTV","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KI7PKL,G1DTV","recording_id":157328,"started_at":"2026-07-10T18:48:45.431138+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":154474}