tsconfig.json

{
  "compilerOptions": {
    "target": "ES2022",
    "useDefineForClassFields": true,
    "lib": ["ES2022", "DOM", "DOM.Iterable"],
    "module": "ESNext",
    "skipLibCheck": true,

    /* Bundler mode */
    "moduleResolution": "bundler",
    "allowImportingTsExtensions": false,
    "resolveJsonModule": true,
    "isolatedModules": true,
    "moduleDetection": "force",
    "noEmit": true,
    "jsx": "react-jsx",
    "allowSyntheticDefaultImports": true,
    "esModuleInterop": true,

    /* Loose during migration — types are tightened in a follow-up pass */
    "allowJs": true,
    "checkJs": false,
    "strict": false,
    "noImplicitAny": false,
    "noUnusedLocals": false,
    "noUnusedParameters": false,
    "noFallthroughCasesInSwitch": true,

    "types": ["vite/client", "node"]
  },
  "include": ["src", "vite.config.ts"]
}