{"type": "article", "title": "Why I spent months building an AI simulation engine to break the IELTS Band 6.5 bottleneck", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/why-i-spent-months-building-an-ai-simulation-engine-to-break-the-ielts-band-6-5", "original_source": "https://dev.to/m4cr0d0s3/why-i-spent-months-building-an-ai-simulation-engine-to-break-the-ielts-band-65-bottleneck-1jia", "published": "2026-06-03T02:04:43+00:00", "accessed": "2026-06-03", "id": "why-i-spent-months-building-an-ai-simulation-engine-to-break-the-ielts-band-6-5"}