重构为Monorepo：拆分xhs/xhh应用与core包并完成双服务部署改造

apps/xhh-mcp/vitest.config.ts

@@ -0,0 +1,14 @@
+import { defineConfig } from 'vitest/config';
+import path from 'node:path';
+
+export default defineConfig({
+  resolve: {
+    alias: {
+      '@social/core': path.resolve(__dirname, '../../packages/core/src'),
+    },
+  },
+  test: {
+    include: ['test/**/*.test.ts'],
+    environment: 'node',
+  },
+});