Fix v1.1.0: Analytics, Sessions, and Error Handling Improvements

CHANGELOG.md

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+# Changelog
+
+All notable changes to the Spelling Practice App will be documented in this file.
+
+## [1.1.0] - 2025-08-13
+
+### Fixed
+- Analytics graph no longer goes off the page (added SVG clipping paths)
+- Results and Sessions tabs now show correct data for all users
+- Admin1 sessions now visible in the interface
+- Fixed issues with reading results.json file
+
+### Added
+- API Test Page for endpoint testing and debugging
+- Support for different session data formats
+- Filtering and pagination to the /getResults endpoint
+- Comprehensive error handling for file operations
+- Test script to verify data storage functionality
+- DEBUG.md with troubleshooting instructions
+
+### Changed
+- Improved session data handling with better format compatibility
+- Enhanced error logging with emoji indicators for better readability
+- Simplified file reading operations with proper error handling
+- Updated saveResults endpoint to handle edge cases better
+
+## [1.0.0] - 2024-10-15
+
+### Initial Release
+- Spelling practice functionality
+- User management
+- Admin panel
+- Analytics
+- Gamification features
+- Spaced repetition system