Add Workspace menu

frontend/src/components/Header.js

@@ -1,14 +1,9 @@
 import React from 'react';
-import { Group, Text, ActionIcon, Avatar } from '@mantine/core';
-import { IconSettings } from '@tabler/icons-react';
+import { Group, Text, Avatar } from '@mantine/core';
+import WorkspaceMenu from './WorkspaceMenu';
 import Settings from './Settings';
-import { useModalContext } from '../contexts/ModalContext';
 
 const Header = () => {
-  const { setSettingsModalVisible } = useModalContext();
-
-  const openSettings = () => setSettingsModalVisible(true);
-
   return (
     <Group justify="space-between" h={60} px="md">
       <Text fw={700} size="lg">
@@ -16,9 +11,7 @@ const Header = () => {
       </Text>
       <Group>
         <Avatar src="https://via.placeholder.com/40" radius="xl" />
-        <ActionIcon variant="subtle" onClick={openSettings} size="lg">
-          <IconSettings size={24} />
-        </ActionIcon>
+        <WorkspaceMenu />
       </Group>
       <Settings />
     </Group>

frontend/src/components/WorkspaceMenu.js

@@ -0,0 +1,77 @@
+import React from 'react';
+import { Menu, ActionIcon, Text } from '@mantine/core';
+import {
+  IconFolders,
+  IconFolderPlus,
+  IconSwitchHorizontal,
+  IconSettings,
+  IconTrash,
+  IconPencil,
+  IconFileExport,
+  IconFileImport,
+} from '@tabler/icons-react';
+import { useModalContext } from '../contexts/ModalContext';
+import { useWorkspace } from '../contexts/WorkspaceContext';
+
+const WorkspaceMenu = () => {
+  const { setSettingsModalVisible } = useModalContext();
+  const { currentWorkspace } = useWorkspace();
+
+  const openSettings = () => setSettingsModalVisible(true);
+
+  return (
+    <Menu shadow="md" width={200} position="bottom-end">
+      <Menu.Target>
+        <ActionIcon variant="subtle" size="lg">
+          <IconFolders size={24} />
+        </ActionIcon>
+      </Menu.Target>
+
+      <Menu.Dropdown>
+        <Menu.Label>Current Workspace</Menu.Label>
+        <Menu.Item disabled>
+          <Text size="sm" truncate>
+            {currentWorkspace?.name || 'No workspace selected'}
+          </Text>
+        </Menu.Item>
+
+        <Menu.Divider />
+
+        <Menu.Label>Workspace Actions</Menu.Label>
+        <Menu.Item leftSection={<IconFolderPlus size={14} />}>
+          Create Workspace
+        </Menu.Item>
+        <Menu.Item leftSection={<IconSwitchHorizontal size={14} />}>
+          Switch Workspace
+        </Menu.Item>
+        <Menu.Item leftSection={<IconPencil size={14} />}>
+          Rename Workspace
+        </Menu.Item>
+        <Menu.Item leftSection={<IconTrash size={14} />} color="red">
+          Delete Workspace
+        </Menu.Item>
+
+        <Menu.Divider />
+
+        <Menu.Label>Data Management</Menu.Label>
+        <Menu.Item leftSection={<IconFileExport size={14} />}>
+          Export Workspace
+        </Menu.Item>
+        <Menu.Item leftSection={<IconFileImport size={14} />}>
+          Import Workspace
+        </Menu.Item>
+
+        <Menu.Divider />
+
+        <Menu.Item
+          leftSection={<IconSettings size={14} />}
+          onClick={openSettings}
+        >
+          Workspace Settings
+        </Menu.Item>
+      </Menu.Dropdown>
+    </Menu>
+  );
+};
+
+export default WorkspaceMenu;