Refactor HTTP function editor with Mithril components and new API endpoints

- Add new Mithril components for editor (editor.js), response view (responseView.js), and alerts (alert.js)
- Create new API endpoints for creating, updating, and deleting HTTP functions
- Update templates to use new Mithril editor component
- Improve header navigation with more consistent styling and active state indicators
- Remove old edit form route and template
- Add new dedicated editor route and template

cursor.ai

templates/dashboard/http_functions/overview.html

@@ -80,7 +80,7 @@
                             </button>
                             <button
                                 class="inline-flex items-center justify-center text-sm font-medium ring-offset-background transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50 border border-input bg-background hover:bg-accent hover:text-accent-foreground h-9 rounded-md px-3 text-gray-800"
-                                hx-get="{{ url_for('get_http_function_edit_form', function_id=function.id) }}"
+                                hx-get="{{ url_for('http_function_editor', function_id=function.id) }}"
                                 hx-target="#container" hx-swap="innerHTML" hx-push-url="true">
                                 Edit
                             </button>