tsconfig.json

{
  "compilerOptions": {
    // Environment setup & latest features
    // DOM lib is required because src/web/client/main.tsx targets the browser
    // (window, document, WebSocket, HTMLDivElement, etc.). The rest of the
    // codebase is Node/Bun and doesn't use DOM APIs, so including DOM here
    // costs nothing for them and unblocks typecheck for the web client.
    "lib": ["ESNext", "DOM"],
    "target": "ESNext",
    "module": "Preserve",
    "moduleDetection": "force",
    "jsx": "react-jsx",
    "jsxImportSource": "react",
    "allowJs": true,

    // Bundler mode
    "moduleResolution": "bundler",
    "allowImportingTsExtensions": true,
    "verbatimModuleSyntax": true,
    "noEmit": true,

    // Best practices
    "strict": true,
    "skipLibCheck": true,
    "noFallthroughCasesInSwitch": true,
    "noUncheckedIndexedAccess": true,
    "noImplicitOverride": true,

    // Unused locals/params — enforced via biome lint (noUnusedImports, noUnusedVariables)
    // rather than tsc to allow _-prefixed intentional ignores
    "noUnusedLocals": false,
    "noUnusedParameters": false,
    "noPropertyAccessFromIndexSignature": false
  },
  "include": ["src"],
  "exclude": ["vscode-extension", "node_modules", "dist", "archived", "mobile", "ide", "sdk", "backend", "benchmarks"]
}