- Added PUT /api/customer-projects/:projectId endpoint to handle updates for selected_package_id and selected_package_name.
- Implemented auto-save feature in FinalReview.js to persist material changes automatically.
- Enhanced error handling in InlineSmartPackage.js for package selection saving.
- Updated documentation for materials saving error analysis and implementation details.
- Removed unused code sections in PlanningDashboard.js and added comments for future features.