chore: add pnpm workspace configuration with package definitions and overrides

apps/web-app/vite.config.ts

@@ -0,0 +1,27 @@
+import { defineConfig } from "vite";
+import stylex from "@stylexjs/unplugin";
+
+export default defineConfig({
+  plugins: [
+    stylex.vite({
+      useCSSLayers: true,
+    }),
+  ],
+  optimizeDeps: {
+    include: [
+      // recharts imports `Decimal from "decimal.js-light"`, but the package
+      // has no `exports` field (only main/module), so Vite's lazy dep
+      // optimizer can pre-bundle the CJS build with broken interop
+      // (`import_decimal.default is not a constructor` on chart ticks).
+      // Pre-bundling it up front fixes it.
+      "decimal.js-light",
+      // wterm's sub-packages (@wterm/core, @wterm/dom) are peer deps of
+      // @wterm/react. Vite's dep optimizer doesn't pick them up on first
+      // load, causing 404s for the on-demand bundled chunks. Pre-bundle
+      // all three explicitly.
+      "@wterm/core",
+      "@wterm/dom",
+      "@wterm/react",
+    ],
+  },
+});