Add Site Builder help docs and fix FloatingHelpButton paths

- Add HelpSiteBuilder.tsx with comprehensive documentation for the
  drag-and-drop page editor (components, publishing, settings)
- Fix FloatingHelpButton to use /dashboard/help/* paths on tenant sites
- Update HelpComprehensive and HelpAutomations to rename plugins to automations
- Add site-crawler utility with cross-subdomain redirect detection

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

frontend/src/components/FloatingHelpButton.tsx

@@ -10,76 +10,85 @@ import { Link, useLocation } from 'react-router-dom';
 import { HelpCircle } from 'lucide-react';
 import { useTranslation } from 'react-i18next';
 
-// Map routes to their help paths
-const routeToHelpPath: Record<string, string> = {
-  '/': '/help/dashboard',
-  '/dashboard': '/help/dashboard',
-  '/scheduler': '/help/scheduler',
-  '/tasks': '/help/tasks',
-  '/customers': '/help/customers',
-  '/services': '/help/services',
-  '/resources': '/help/resources',
-  '/staff': '/help/staff',
-  '/time-blocks': '/help/time-blocks',
-  '/my-availability': '/help/time-blocks',
-  '/messages': '/help/messages',
-  '/tickets': '/help/ticketing',
-  '/payments': '/help/payments',
-  '/contracts': '/help/contracts',
-  '/contracts/templates': '/help/contracts',
-  '/automations': '/help/automations',
-  '/automations/marketplace': '/help/automations',
-  '/automations/my-automations': '/help/automations',
-  '/automations/create': '/help/automations/docs',
-  '/settings': '/help/settings/general',
-  '/settings/general': '/help/settings/general',
-  '/settings/resource-types': '/help/settings/resource-types',
-  '/settings/booking': '/help/settings/booking',
-  '/settings/appearance': '/help/settings/appearance',
-  '/settings/email': '/help/settings/email',
-  '/settings/domains': '/help/settings/domains',
-  '/settings/api': '/help/settings/api',
-  '/settings/auth': '/help/settings/auth',
-  '/settings/billing': '/help/settings/billing',
-  '/settings/quota': '/help/settings/quota',
-  // Platform routes
-  '/platform/dashboard': '/help/dashboard',
-  '/platform/businesses': '/help/dashboard',
-  '/platform/users': '/help/staff',
-  '/platform/tickets': '/help/ticketing',
+// Map route suffixes to their help page suffixes
+// These get prefixed appropriately based on context (tenant dashboard or public)
+const routeToHelpSuffix: Record<string, string> = {
+  '/': 'dashboard',
+  '/dashboard': 'dashboard',
+  '/scheduler': 'scheduler',
+  '/tasks': 'tasks',
+  '/customers': 'customers',
+  '/services': 'services',
+  '/resources': 'resources',
+  '/staff': 'staff',
+  '/time-blocks': 'time-blocks',
+  '/my-availability': 'time-blocks',
+  '/messages': 'messages',
+  '/tickets': 'ticketing',
+  '/payments': 'payments',
+  '/contracts': 'contracts',
+  '/contracts/templates': 'contracts',
+  '/automations': 'automations',
+  '/automations/marketplace': 'automations',
+  '/automations/my-automations': 'automations',
+  '/automations/create': 'automations/docs',
+  '/site-editor': 'site-builder',
+  '/gallery': 'site-builder',
+  '/settings': 'settings/general',
+  '/settings/general': 'settings/general',
+  '/settings/resource-types': 'settings/resource-types',
+  '/settings/booking': 'settings/booking',
+  '/settings/appearance': 'settings/appearance',
+  '/settings/email': 'settings/email',
+  '/settings/domains': 'settings/domains',
+  '/settings/api': 'settings/api',
+  '/settings/auth': 'settings/auth',
+  '/settings/billing': 'settings/billing',
+  '/settings/quota': 'settings/quota',
 };
 
 const FloatingHelpButton: React.FC = () => {
   const { t } = useTranslation();
   const location = useLocation();
 
+  // Check if we're on a tenant dashboard route
+  const isOnDashboard = location.pathname.startsWith('/dashboard');
+
   // Get the help path for the current route
   const getHelpPath = (): string => {
+    // Determine the base help path based on context
+    const helpBase = isOnDashboard ? '/dashboard/help' : '/help';
+
+    // Get the route to look up (strip /dashboard prefix if present)
+    const lookupPath = isOnDashboard
+      ? location.pathname.replace(/^\/dashboard/, '') || '/'
+      : location.pathname;
+
     // Exact match first
-    if (routeToHelpPath[location.pathname]) {
-      return routeToHelpPath[location.pathname];
+    if (routeToHelpSuffix[lookupPath]) {
+      return `${helpBase}/${routeToHelpSuffix[lookupPath]}`;
     }
 
     // Try matching with a prefix (for dynamic routes like /customers/:id)
-    const pathSegments = location.pathname.split('/').filter(Boolean);
+    const pathSegments = lookupPath.split('/').filter(Boolean);
     if (pathSegments.length > 0) {
       // Try progressively shorter paths
       for (let i = pathSegments.length; i > 0; i--) {
         const testPath = '/' + pathSegments.slice(0, i).join('/');
-        if (routeToHelpPath[testPath]) {
-          return routeToHelpPath[testPath];
+        if (routeToHelpSuffix[testPath]) {
+          return `${helpBase}/${routeToHelpSuffix[testPath]}`;
         }
       }
     }
 
-    // Default to the main help guide
-    return '/help';
+    // Default to the main help page
+    return helpBase;
   };
 
   const helpPath = getHelpPath();
 
   // Don't show on help pages themselves
-  if (location.pathname.startsWith('/help')) {
+  if (location.pathname.includes('/help')) {
     return null;
   }