Version 3.0 — The Sanctum Mastery Update

🌀 The Digital Sanctum Is Now Live

All four CodeKings learning Sanctums are fully operational — each powered by the Mirror IDE Framework, real-time previews, XP hooks, and step-aware grading.

• 🪞 Unified Mirror IDE: HTML, Python, CSS & C# share the same dual-pane editor + live output.
• ⚙️ Multi-Step Grading Engine: Step objectives, expected output checks & retries per lesson_id.
• 🏆 XP + Cooldowns: Tracked in global_lesson_progress per step.
• 🚀 Performance: ~35% faster via async injection & caching.

⚔️ C# Foundations — 10-Lesson Advanced Sanctum

The most advanced realm to date — console simulation, Judge0 compilation, and dual-layer grading with AI fallback.

• 💻 Console-style output (e.g., Console.ReadLine()) inside the browser.
• 🎯 10 Lessons: Variables → Methods → OOP → Collections.
• 🧪 Judge0 backend execution for real C# validation.
• 🏅 XP + retry cooldowns aligned with Python.

🤖 NEW: AI-Assisted Grading (J.A.R.V.I.S. Embedded)

• ✅ Detects conceptually correct answers where fuzzy match fails.
• ✅ Evaluates code intent/structure, not just text similarity.
• ✅ Approves alternate syntaxes or refactors.
• ✅ Per-lesson memory; restores after refresh.

🎨 CSS Sanctum — Full Rebuild

• 🧩 10 Modular Lessons: Colors, typography, gradients, layout, transitions & more.
• 🖌️ HTML | CSS | Output live editor in every lesson.
• 💫 Unified Styling: /Courses/Topics/CSS/Lesson_css_theme.css across all lessons.
• ⚡ Instant rendering without iframe reloads.

🐍 Python Foundations — Interactive IDE Track

• 📘 10 graded lessons (Variables → Tuples).
• 🧠 Step-aware grading tied to lesson_id engine.
• 🏆 Integrated with global_lesson_progress.

🔷 HTML Sanctum — Foundations Live

• 🧩 Live preview with XP rewards + success auto-scroll.
• 🎯 Guided tasks with clear objectives per step.