fix: system admin bypasses workspace filter in sidebar

frontend/src/hooks/useWorkspace.ts

@@ -1,5 +1,6 @@
 import { useState, useEffect, useCallback } from 'react';
 import { useMyWorkspaces, useWorkspaceContext, type WorkspaceContext } from '@/api/hooks/workspaces';
+import { useAuthStore } from '@/store/authStore';
 
 const STORAGE_KEY = 'leocrm-active-workspace';
 
@@ -47,7 +48,10 @@ export function useWorkspace() {
 
   // Check if a module is visible in the current workspace
   const isModuleVisible = useCallback((moduleKey: string): boolean => {
- // If no workspace context, show all (backward compatible)
+    // System admins see all modules regardless of workspace
+    const user = useAuthStore.getState().user;
+    if (user?.is_system_admin) return true;
+    // If no workspace context, show all (backward compatible)
     if (!context?.workspace_id || !context?.modules?.length) return true;
     return visibleModuleKeys.has(moduleKey);
   }, [context, visibleModuleKeys]);