feat(builder): add project editor

src/app/i18n/en.ts

@@ -398,10 +398,77 @@ export const en: Translations = {
     notAvailable: 'n/a',
   },
   builder: {
-    title: 'Builder Sandbox',
-    subtitle: 'Configuration-only editing surface.',
+    title: 'Marketplace Project Editor',
+    subtitle: 'Configuration-only bootstrap editing surface.',
+    general: 'General',
     branding: 'Branding',
+    theme: 'Theme',
+    header: 'Header',
+    footer: 'Footer',
+    homepage: 'Homepage',
+    widgets: 'Widgets',
+    marketplaceFeatures: 'Marketplace Features',
+    preview: 'Preview',
     brandName: 'Brand Name',
+    marketplaceName: 'Marketplace Name',
+    domain: 'Domain',
+    descriptionLabel: 'Description',
+    defaultLanguage: 'Default Language',
+    supportedLanguages: 'Supported Languages',
+    logo: 'Logo',
+    smallLogo: 'Small Logo',
+    favicon: 'Favicon',
+    marketplaceTitle: 'Marketplace Title',
+    primaryColor: 'Primary Color',
+    secondaryColor: 'Secondary Color',
+    backgroundColor: 'Background',
+    surfaceColor: 'Surface',
+    textColor: 'Text',
+    successColor: 'Success',
+    warningColor: 'Warning',
+    dangerColor: 'Danger',
+    showLogo: 'Logo',
+    showSearch: 'Search',
+    showCategories: 'Categories',
+    showLanguages: 'Languages',
+    showCart: 'Cart',
+    showProfile: 'Profile',
+    showWishlist: 'Wishlist',
+    showCompare: 'Compare',
+    showRegion: 'Region',
+    companyName: 'Company Information',
+    address: 'Address',
+    phone: 'Phone',
+    email: 'Email',
+    copyright: 'Copyright',
+    paymentIcons: 'Payment Icons',
+    socialLinks: 'Social Links',
+    staticPages: 'Static Pages',
+    visible: 'Visible',
+    layoutLabel: 'Layout',
+    columns: 'Columns',
+    height: 'Height',
+    overlay: 'Overlay',
+    autoplay: 'Autoplay',
+    cardsPerRow: 'Cards Per Row',
+    filtersLabel: 'Filters',
+    showBadges: 'Show Badges',
+    showRating: 'Show Rating',
+    showPrice: 'Show Price',
+    widgetJson: 'Widget JSON',
+    reviews: 'Reviews',
+    questions: 'Questions',
+    comments: 'Comments',
+    recommendations: 'Recommendations',
+    recentlyViewed: 'Recently Viewed',
+    searchSuggestions: 'Search Suggestions',
+    searchHistory: 'Search History',
+    livePreview: 'Live Preview',
+    exportBootstrap: 'Export Bootstrap',
+    importBootstrap: 'Import Bootstrap',
+    exportedBootstrap: 'Exported Bootstrap',
+    importSource: 'Import Source',
+    importError: 'Import failed. Invalid bootstrap JSON.',
     featureFlags: 'Feature Flags',
   },
   widgets: {