build(ci): 建立单仓工具链与质量门禁

统一 pnpm 10 + Node 24.15.0 + Turborepo 单仓，落地 ESLint 9 flat、Prettier、commitlint、husky 与 Gitea CI，作为后续批次的一致门禁。

tsconfig.json

@@ -0,0 +1,10 @@
+{
+  "extends": "./tsconfig.base.json",
+  "compilerOptions": {
+    "module": "ESNext",
+    "moduleResolution": "Bundler",
+    "noEmit": true,
+    "types": ["node"]
+  },
+  "include": ["playwright.config.ts", "scripts/**/*.ts", "e2e/**/*.ts", "prisma/seed.ts"]
+}