Add version control system functionality with branch management, history tracking, and merge operations

memory-bank/features/version-control/implementation-status.md

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+# Version Control System Implementation Status
+
+## Overview
+The version control system has been successfully implemented according to the implementation plan and technical guide. The system provides a robust version control solution integrated with django-simple-history and enhanced with branching, merging, and real-time collaboration capabilities.
+
+## Implemented Components
+
+### 1. Core Models
+```python
+# Core version control models in history_tracking/models.py
+- VersionBranch: Manages parallel development branches
+- VersionTag: Handles version tagging and releases
+- ChangeSet: Tracks atomic groups of changes
+- Integration with HistoricalModel and HistoricalChangeMixin
+```
+
+### 2. Business Logic Layer
+```python
+# Managers and utilities in history_tracking/managers.py and utils.py
+- BranchManager: Branch operations and management
+- ChangeTracker: Change tracking and history
+- MergeStrategy: Merge operations and conflict handling
+- Utilities for conflict resolution and diff computation
+```
+
+### 3. Frontend Integration
+```html
+# HTMX-based components in history_tracking/templates/
+- Version Control Panel (version_control_panel.html)
+- Branch Management (branch_list.html, branch_create.html)
+- Change History Viewer (history_view.html)
+- Merge Interface (merge_panel.html, merge_conflicts.html)
+```
+
+### 4. API Layer
+```python
+# Views and endpoints in history_tracking/views.py
+- VersionControlPanel: Main VCS interface
+- BranchListView: Branch management
+- HistoryView: Change history display
+- MergeView: Merge operations
+- BranchCreateView: Branch creation
+- TagCreateView: Version tagging
+```
+
+### 5. Signal Handlers
+```python
+# Signal handlers in history_tracking/signals.py
+- Automatic change tracking
+- Changeset management
+- Branch context management
+```
+
+## Database Schema Changes
+- Created models for branches, tags, and changesets
+- Added proper indexes for performance
+- Implemented GenericForeignKey relationships for flexibility
+- Migrations created and applied successfully
+
+## URL Configuration
+```python
+# Added to thrillwiki/urls.py
+path("vcs/", include("history_tracking.urls", namespace="history"))
+```
+
+## Integration Points
+1. django-simple-history integration
+2. HTMX for real-time updates
+3. Generic relations for flexibility
+4. Signal handlers for automatic tracking
+
+## Features Implemented
+- [x] Branch creation and management
+- [x] Version tagging system
+- [x] Change tracking and history
+- [x] Merge operations with conflict resolution
+- [x] Real-time UI updates via HTMX
+- [x] Generic content type support
+- [x] Atomic change grouping
+- [x] Branch relationship management
+
+## Next Steps
+1. Add comprehensive test suite
+2. Implement performance monitoring
+3. Add user documentation
+4. Consider adding advanced features like:
+   - Branch locking
+   - Advanced merge strategies
+   - Custom diff viewers
+
+## Technical Documentation
+- Implementation plan: [implementation-plan.md](implementation-plan.md)
+- Technical guide: [technical-guide.md](technical-guide.md)
+- API documentation: To be created
+- User guide: To be created
+
+## Performance Considerations
+- Indexed key fields for efficient querying
+- Optimized database schema
+- Efficient change tracking
+- Real-time updates without full page reloads
+
+## Security Measures
+- Login required for all VCS operations
+- Proper validation of all inputs
+- CSRF protection
+- Access control on branch operations
+
+## Monitoring
+Future monitoring needs:
+- Branch operation metrics
+- Merge success rates
+- Conflict frequency
+- System performance metrics