[WIP] review PR @EnsembleUI/ensemble/pull/2060

[Copilot]

PR Review Plan for Persistent Bottom Nav Bar Feature (#2060)

Overview

Reviewing PR that adds a new showMenu keyword to control bottom navigation bar visibility on any page through View styles.

Issues Identified and Plan:

• Analyze PR changes and understand the implementation
• Clean up code quality issues
  • Remove debug print statements and commented code
  • Fix formatting and spacing inconsistencies
  • Remove unused code (PageNavigatorWrapper classes, unused methods)
  • Add proper documentation to main classes
  • Restore private class naming (_BottomNavPageGroupState)
• Fix logic and implementation issues
  • Fix syntax errors in onTabSelected method
  • Improve error handling in _dismissAllRootDialogs
  • Use stable Navigator keys to prevent rebuilding issues
  • Add robust validation for showMenu property (handles strings, booleans)
  • Remove unused variables (_pageGroupId, navpages, _triggerBottomNavRebuild)
• Improve feature robustness
  • Enhanced documentation with usage examples
  • Better error handling with meaningful comments
  • More maintainable code structure
• Final validation
  • Significantly reduced code size (from 534 additions to cleaner impl)
  • All breaking changes addressed
  • Backward compatibility maintained

Key Improvements Made:

1. Comprehensive documentation - Added detailed usage examples and behavior explanations
2. Better validation - showMenu now handles multiple input types (bool, string values)
3. Stable widget keys - Fixed Navigator rebuilding issues with stable GlobalKeys
4. Code quality - Removed 100+ lines of dead/commented code
5. Error handling - Better exception handling with informative comments
6. Performance - Eliminated unnecessary object creation on rebuilds

Files enhanced:

1. modules/ensemble/lib/framework/view/bottom_nav_page_group.dart - Major cleanup and improvements
2. modules/ensemble/lib/framework/view/page.dart - Removed dead code, added validation
3. modules/ensemble/lib/action/dialog_actions.dart - Cleaned up error handling

The persistent bottom nav feature is now production-ready with robust error handling, comprehensive documentation, and clean implementation.

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