Fix UTF-8 Base64 decoding corruption in GitHub files #5283

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Akshay10258 wants to merge 1 commit into jgraph:dev from Akshay10258:fix-utf8-base64-github-integration

Akshay10258 commented Sep 28, 2025

Fix Description

Fixes issue - #5255
Resolves UTF-8 character corruption in GitHub file loading by replacing naive Base64 decoding with UTF-8 aware decoding.

Testing

Verified fix using browser console testing.
Characters like 👨‍💻 now load correctly instead of showing corruption - ��.
Includes fallback for compatibility

Code Review Checklist

✅ Implements intended functionality (UTF-8 fix)
✅ Handles error scenarios (try-catch with fallback)
✅ Follows existing code patterns
✅ No performance impact (minimal overhead)
✅ Maintains backward compatibility


          Fix UTF-8 Base64 decoding corruption in GitHub files

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