feat(team): add page

app/management/team/board/page.tsx

@@ -0,0 +1,26 @@
+"use client"
+
+import { Center, Paper, Stack, Text } from "@mantine/core"
+
+export default function TeamBoardPage() {
+  return (
+    <Center w="100%" h="calc(100vh - 56px)" p="md">
+      <Paper
+        withBorder
+        p="xl"
+        radius="md"
+        style={{
+          borderColor:
+            "light-dark(var(--mantine-color-gray-4), var(--mantine-color-dark-4))",
+          minWidth: 320,
+        }}>
+        <Stack gap={6}>
+          <Text fw={700}>项目参与</Text>
+          <Text size="sm" c="dimmed">
+            该页面已迁移至团队管理模块，后续可在此继续扩展业务视图。
+          </Text>
+        </Stack>
+      </Paper>
+    </Center>
+  )
+}