workspace: pnpm monorepo with api, web, shared

TypeScript 7 strict, ESLint + Prettier, vitest, AGPL-3.0 license.
Decision 0001 records the latest-majors choice and the TS 6 alias.

Task: M0-T1

apps/web/tsconfig.json

@@ -0,0 +1,12 @@
+{
+  "extends": "../../tsconfig.base.json",
+  "compilerOptions": {
+    "module": "esnext",
+    "moduleResolution": "bundler",
+    "lib": ["es2024", "dom", "dom.iterable"],
+    "jsx": "react-jsx",
+    "noEmit": true,
+    "types": ["vite/client"]
+  },
+  "include": ["src", "vite.config.ts"]
+}