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.base.json

@@ -0,0 +1,27 @@
+{
+  "compilerOptions": {
+    "target": "ES2022",
+    "lib": ["ES2022"],
+    "module": "ESNext",
+    "moduleResolution": "Bundler",
+    "strict": true,
+    "noUncheckedIndexedAccess": true,
+    "noImplicitOverride": true,
+    "noFallthroughCasesInSwitch": true,
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "forceConsistentCasingInFileNames": true,
+    "esModuleInterop": true,
+    "allowSyntheticDefaultImports": true,
+    "skipLibCheck": true,
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "declaration": true,
+    "declarationMap": true,
+    "sourceMap": true,
+    "jsx": "react-jsx",
+    "experimentalDecorators": true,
+    "emitDecoratorMetadata": true,
+    "useDefineForClassFields": false
+  }
+}