[STABLE] Add development framework documentation

DEVELOPMENT.md

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+# WP Allstars Plugin Development Workflow
+
+This document outlines the development workflow for the WP Allstars Plugin to ensure stable and reliable feature implementation.
+
+## Development Principles
+
+1. **Stability First**: The primary goal is maintaining a stable plugin that works reliably
+2. **Incremental Changes**: Implement changes in small, manageable increments
+3. **Complete Testing**: Every change must be thoroughly tested before integration
+4. **Documentation**: All features and changes must be well-documented
+
+## Branch Structure
+
+- `main` - Production-ready code, always stable
+- `v0.2.3-stable` - Our current stable development branch
+- `feature/v0.2.3-stable/{feature-name}` - Feature branches for new development
+
+## Development Workflow
+
+### 1. Feature Planning
+
+1. Identify a feature from the ROADMAP.md file to implement
+2. Review any existing implementation in unstable versions
+3. Document the implementation plan in ROADMAP.md
+4. Create a new feature branch from the stable base
+
+```bash
+git checkout v0.2.3-stable
+git checkout -b feature/v0.2.3-stable/sync-guard
+```
+
+### 2. Feature Implementation
+
+1. Start with the smallest possible functional change
+2. Commit frequently with descriptive commit messages including stability classification
+3. Example commit message format:
+   ```
+   [EXPERIMENTAL] Add basic sync guard detection functionality
+   
+   - Adds file existence check for .syncing flag
+   - Implements conditional loading based on flag
+   - Does not yet handle admin notices
+   ```
+
+4. Reference the ROADMAP.md and TESTING.md documents while implementing
+
+### 3. Testing
+
+1. Complete all relevant tests from TESTING.md
+2. Add feature-specific tests if needed
+3. Test in a clean WordPress environment
+4. Test with WP_DEBUG enabled
+5. Document any issues found and fix them
+
+### 4. Code Review
+
+1. Self-review code for:
+   - PHP best practices
+   - WordPress coding standards
+   - Security considerations
+   - Performance implications
+   - Error handling
+
+2. Consider peer review if possible
+
+### 5. Integration
+
+1. Create a pull request to merge into the stable branch
+2. Summarize changes, testing performed, and any caveats
+3. Once approved, merge using `--no-ff` to preserve feature history
+
+```bash
+git checkout v0.2.3-stable
+git merge --no-ff feature/v0.2.3-stable/sync-guard
+```
+
+4. Tag new version if appropriate:
+
+```bash
+git tag v0.2.3.1-stable
+git push origin v0.2.3.1-stable
+```
+
+5. Update STABILITY.md with the new version information
+
+### 6. Post-Integration
+
+1. Deploy to test environment and confirm functionality
+2. Update ROADMAP.md to reflect the implemented feature
+3. Clean up feature branch if no longer needed
+
+## Handling Unstable Code References
+
+When examining code from unstable versions:
+
+1. **Never copy-paste directly** - Understand the approach and reimplement
+2. **Isolate problematic code** - Identify why it might have failed
+3. **Take the best ideas** - Implement the concept, not the exact implementation
+4. **Document the reference** - Note which version inspired each implementation
+
+## Versioning Scheme
+
+- `vX.Y.Z` - Major.Minor.Patch
+- `vX.Y.Z-stable` - Stable development branches
+- `vX.Y.Z.N-stable` - Minor updates to stable branches
+
+## Continuous Improvement
+
+- Regularly review and update these development procedures
+- Document lessons learned
+- Improve testing procedures based on discoveries 

ROADMAP.md

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+# WP Allstars Plugin Development Roadmap
+
+This document outlines features from later versions that we plan to integrate into our stable development branch. The goal is to incrementally implement these features in a stable manner, without introducing critical errors.
+
+## Feature Backlog
+
+| Feature | Source Version | Priority | Complexity | Risk | Status |
+|---------|----------------|----------|------------|------|--------|
+| Multisite Category | v0.2.6 | High | Low | Low | ✅ Implemented in v0.2.3-stable |
+| Sync Guard | v0.2.6-fix | High | Low | Low | 🔄 To be implemented |
+| More Robust File Loading | v0.2.6-fix | High | Low | Low | ✅ Implemented in v0.2.3-stable |
+| Enhanced Admin UI | v0.2.4+ | Medium | Medium | Medium | 🔄 To be implemented |
+| Plugin Dashboard | v0.2.6-fix | Medium | Medium | Medium | 🔄 To be implemented |
+| New Category Pages | v0.2.4+ | Medium | Low | Low | 🔄 To be implemented |
+
+## Implementation Strategy
+
+### Multisite Category with Network Plugin Auditor
+- **Description**: Add a "Multisite" filter after Advanced and include network-plugin-auditor
+- **Why it failed before**: Didn't properly update all required files for the feature
+- **Implementation plan**: Add to free-plugins.php and update class-free-plugins-manager.php to display the category correctly
+- **Testing criteria**: Verify category appears in UI and plugin can be installed
+
+### Sync Guard
+- **Description**: Prevent plugin loading during rsync operations to avoid partial file loading
+- **Why it failed before**: Added to wrong location, dependent on missing files
+- **Implementation plan**: 
+  1. Create a simpler version of the sync guard
+  2. Update post-commit hook to handle sync operations better
+  3. Use file flag to signal when sync is in progress
+- **Testing criteria**: Verify plugin doesn't attempt to load during sync operations
+
+### Enhanced Admin UI
+- **Description**: Improve the admin interface with better styling and more intuitive navigation
+- **Why it failed before**: Too many changes at once without proper testing
+- **Implementation plan**:
+  1. Small, incremental UI improvements
+  2. Focus on one component at a time
+  3. Thorough testing after each change
+- **Testing criteria**: UI changes shouldn't affect functionality, should be responsive
+
+## Development Order
+
+The suggested implementation order is:
+
+1. Sync Guard 
+2. Enhanced Admin UI (component by component)
+3. Plugin Dashboard improvements
+4. New Category Pages
+
+Each feature should be developed in its own branch and only merged after thorough testing. 

STABILITY.md

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+# WP Allstars Plugin Stability Status
+
+This document tracks the stability status of different versions of the WP Allstars Plugin.
+
+## Stability Classification
+
+- **[STABLE]**: Thoroughly tested, works as expected in production environments
+- **[FUNCTIONAL]**: Works but may have minor issues or incomplete features
+- **[EXPERIMENTAL]**: Contains new features that are not fully tested
+- **[UNSTABLE]**: Known to have critical issues that affect functionality
+
+## Version Status
+
+| Version | Status | Notes |
+|---------|--------|-------|
+| v0.2.3-stable-base | **[STABLE]** | Base stable version with robust file loading. All core functionality works properly. |
+| v0.2.4 | **[UNSTABLE]** | Contains critical errors - reference only for feature ideas. |
+| v0.2.6 | **[UNSTABLE]** | Contains file structure issues and critical errors - reference only for feature ideas. |
+| v0.2.6-fix | **[UNSTABLE]** | Attempted fixes but still has issues - reference only. |
+| v0.2.6-revert | **[UNSTABLE]** | Failed attempt to revert to stable version - do not use. |
+
+## Current Development
+
+Current development is based on the v0.2.3-stable-base version. Features from later versions are being analyzed and reimplemented in a stable manner.
+
+## Stability Guidelines
+
+1. All new features must be developed in isolated feature branches
+2. Comprehensive testing is required before merging
+3. Each feature should be implemented as a series of small, atomic commits
+4. All commits should include a stability classification in commit messages: [STABLE], [FUNCTIONAL], etc.
+5. Full testing checklist must be completed before marking a version as [STABLE] 

TESTING.md

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+# WP Allstars Plugin Testing Procedures
+
+This document outlines the testing procedures for the WP Allstars Plugin to ensure stability and reliability.
+
+## Pre-Merge Testing Checklist
+
+### Basic Functionality Tests
+
+- [ ] Plugin activates without errors
+- [ ] Plugin deactivates without errors
+- [ ] Admin menu appears correctly
+- [ ] All submenu items load without errors
+- [ ] Settings can be saved without errors
+- [ ] Plugin works with WordPress debug mode enabled
+
+### Feature-Specific Tests
+
+Each new feature should have its own testing checklist added here.
+
+#### Multisite Category Feature
+
+- [ ] "Multisite" category appears in the correct location in the UI
+- [ ] Network Plugin Auditor appears in the Multisite category
+- [ ] Category filter works when clicked
+- [ ] Plugin can be installed from the category
+
+#### Sync Guard Feature
+
+- [ ] Plugin doesn't load when .syncing file is present
+- [ ] .syncing file is created during sync operations
+- [ ] .syncing file is removed after sync completes
+- [ ] User is notified when plugin is in sync mode
+
+### Compatibility Tests
+
+- [ ] Plugin works with latest WordPress version
+- [ ] Plugin works with PHP 7.4+
+- [ ] Plugin works with common themes (Twenty Twenty-Three, Kadence)
+- [ ] Plugin co-exists with other popular plugins without conflicts
+
+### Browser Compatibility
+
+- [ ] UI works correctly in Chrome
+- [ ] UI works correctly in Firefox
+- [ ] UI works correctly in Safari
+- [ ] UI works correctly in Edge
+
+### Mobile Responsiveness
+
+- [ ] Admin interface is usable on mobile devices
+- [ ] No layout issues on small screens
+
+## Testing Process
+
+1. Create a clean WordPress installation for testing
+2. Install and activate the plugin
+3. Enable WordPress debug mode (WP_DEBUG = true)
+4. Complete all tests in the checklist
+5. Document any issues found
+6. Fix issues and retest
+7. Only mark as [STABLE] when all tests pass
+
+## Continuous Integration
+
+For future implementation:
+
+- [ ] Automated unit tests
+- [ ] Integration tests
+- [ ] End-to-end tests
+- [ ] Code quality checks