feat(Makefile): install frontend dependencies on dev command

feat(Makefile): patch Layout.jsx queryKey for local development
feat(frontend-web): mock base44 client for local development with role switching
feat(frontend-web): add event assignment modal with conflict detection and bulk assign
feat(frontend-web): add client dashboard with key metrics and quick actions
feat(frontend-web): add layout component with role-based navigation
feat(frontend-web): update various pages to use "@/components" alias
feat(frontend-web): update create event page with ai assistant toggle
feat(frontend-web): update dashboard page with new components
feat(frontend-web): update events page with quick assign popover
feat(frontend-web): update invite vendor page with hover card
feat(frontend-web): update messages page with conversation list and message thread
feat(frontend-web): update operator dashboard page with new components
feat(frontend-web): update partner management page with new components
feat(frontend-web): update permissions page with new components
feat(frontend-web): update procurement dashboard page with new components
feat(frontend-web): update smart vendor onboarding page with new components
feat(frontend-web): update staff directory page with new components
feat(frontend-web): update teams page with new components
feat(frontend-web): update user management page with new components
feat(frontend-web): update vendor compliance page with new components
feat(frontend-web): update main.jsx to include react query provider

feat: add vendor marketplace page
feat: add global import fix to prepare-export script
feat: add patch-layout-query-key script to fix query key
feat: update patch-base44-client script to use a more robust method

frontend-web/src/api/base44Client.js

@@ -2,15 +2,75 @@
 
 // --- MIGRATION MOCK ---
 // This mock completely disables the Base44 SDK to allow for local development.
+// It also simulates user roles for the RoleSwitcher component.
+
+const MOCK_USER_KEY = 'krow_mock_user_role';
+
+// Default mock user data
+const DEFAULT_MOCK_USER = {
+  id: "mock-user-123",
+  email: "dev@example.com",
+  full_name: "Dev User",
+  // 'role' is the Base44 default, 'user_role' is our custom field
+  role: "admin",
+  user_role: "admin", // Default role for testing
+  profile_picture: "https://i.pravatar.cc/150?u=a042581f4e29026024d",
+};
+
+// Function to get the current mock user state
+const getMockUser = () => {
+  try {
+    const storedRole = localStorage.getItem(MOCK_USER_KEY);
+    if (storedRole) {
+      return { ...DEFAULT_MOCK_USER, user_role: storedRole, role: storedRole };
+    }
+    // If no role is stored, set the default and return it
+    localStorage.setItem(MOCK_USER_KEY, DEFAULT_MOCK_USER.user_role);
+    return DEFAULT_MOCK_USER;
+  } catch (e) {
+    // localStorage is not available (e.g., in SSR)
+    return DEFAULT_MOCK_USER;
+  }
+};
+
 export const base44 = {
   auth: {
-    me: () => Promise.resolve(null),
-    logout: () => {},
+    me: () => Promise.resolve(getMockUser()),
+    logout: () => {
+      try {
+        localStorage.removeItem(MOCK_USER_KEY); // Clear role on logout
+        // Optionally, redirect to login page or reload
+        window.location.reload();
+      } catch (e) {
+        // localStorage is not available
+      }
+      return Promise.resolve();
+    },
+    updateMe: (data) => {
+      try {
+        if (data.user_role) {
+          localStorage.setItem(MOCK_USER_KEY, data.user_role);
+        }
+      } catch (e) {
+        // localStorage is not available
+      }
+      // Simulate a successful update
+      return Promise.resolve({ ...getMockUser(), ...data });
+    },
   },
   entities: {
     ActivityLog: {
       filter: () => Promise.resolve([]),
     },
+    // Add other entity mocks as needed for the RoleSwitcher to function
+    // For now, the RoleSwitcher only updates the user role, so other entities might not be critical.
   },
-};
-
+  integrations: {
+    Core: {
+      SendEmail: () => Promise.resolve({ status: "sent" }),
+      UploadFile: () => Promise.resolve({ file_url: "mock-file-url" }),
+      InvokeLLM: () => Promise.resolve({ result: "mock-ai-response" }),
+      // Add other integration mocks if the RoleSwitcher indirectly calls them
+    }
+  }
+};