⚡ Bolt: Memoize PythonEditor and TurtleCanvas

[albertoivo]

• 💡 What: Wrapped PythonEditor and TurtleCanvas components in React.memo.
• 🎯 Why: These components are computationally expensive (Monaco Editor initialization, Canvas rendering) and were re-rendering unnecessarily when parent state (like score or progress) updated, causing UI jank.
• 📊 Impact: Reduces re-renders of the editor and turtle canvas to 0 when props remain equal. Verified via performance test logs.
• 🔬 Measurement: Verified with verify_editor_fixed.py (Playwright) that the editor still loads and functions correctly within the game loop.

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PR created automatically by Jules for task 11179070008260294768 started by @albertoivo

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