feat(auth): implement session token creation and verification for enhanced security

feat(api): require session authentication for admin routes and improve error handling

fix(api): streamline project image generation by fetching data directly from the database

fix(api): optimize project import/export functionality with session validation and improved error handling

fix(api): enhance analytics dashboard and email manager with session token for admin requests

fix(components): improve loading states and dynamic imports for better user experience

chore(security): update Content Security Policy to avoid unsafe-eval in production

chore(deps): update package.json scripts for consistent environment handling in linting and testing

app/editor/page.tsx

@@ -225,6 +225,7 @@ function EditorPageContent() {
         headers: {
           "Content-Type": "application/json",
           "x-admin-request": "true",
+          "x-session-token": sessionStorage.getItem("admin_session_token") || "",
         },
         body: JSON.stringify(saveData),
       });