feat(elixir): category managing w/ filtering &CRUD

README.md

@@ -36,6 +36,7 @@ A modern, idiomatic Elixir/Phoenix port of the original PHP-based component inve
 - **Inventory Tracking**: Monitor component quantities with increment/decrement buttons
 - **Search & Filter**: Fast search across component names, descriptions, and keywords
 - **Category Organization**: Hierarchical category system for better organization
+- **Category Management**: Add, edit, delete categories through the web interface with hierarchical support
 - **Datasheet Links**: Direct links to component datasheets
 - **Position Tracking**: Track component storage locations
 - **Real-time Updates**: All changes are immediately reflected in the interface
@@ -97,6 +98,7 @@ The application uses a simple password-based authentication system:
 ### Live Views
 - **`ComponentsElixirWeb.LoginLive`**: Authentication interface
 - **`ComponentsElixirWeb.ComponentsLive`**: Main component management interface
+- **`ComponentsElixirWeb.CategoriesLive`**: Category management interface
 
 ### Key Features
 - **Real-time updates**: Changes are immediately reflected without page refresh
@@ -113,18 +115,18 @@ The application uses a simple password-based authentication system:
 | `addItem.php` | `Inventory.create_component/1` | Built-in validation, changesets |
 | Manual editing | `Inventory.update_component/2` | **NEW**: Full edit functionality with validation |
 | `changeAmount.php` | `Inventory.update_component_count/2` | Atomic operations, constraints |
+| Manual category management | `CategoriesLive` + `Inventory.create_category/1` | **NEW**: Full category CRUD with web interface |
 | `imageUpload.php` | (Future: Phoenix file uploads) | Planned improvement |
 | Session management | Phoenix sessions + LiveView | Built-in CSRF protection |
 
 ## Future Enhancements
 
 1. **Image Upload**: Implement Phoenix file uploads for component images
-2. **Category Management UI**: Add/edit/delete categories through the web interface
-3. **Bulk Operations**: Import/export components via CSV
-4. **API Endpoints**: REST API for external integrations
-5. **User Management**: Multi-user support with roles and permissions
-6. **Advanced Search**: Filters by category, stock level, etc.
-7. **Barcode/QR Codes**: Generate and scan codes for quick inventory updates
+2. **Bulk Operations**: Import/export components via CSV
+3. **API Endpoints**: REST API for external integrations
+4. **User Management**: Multi-user support with roles and permissions
+5. **Advanced Search**: Filters by category, stock level, etc.
+6. **Barcode/QR Codes**: Generate and scan codes for quick inventory updates
 
 ## Development