Stop depending on @rolldown/binding-wasm32-wasi directly

The binding declares cpu: wasm32, so npm on x64 hosts (Vercel) fails
with EBADPLATFORM. The nodesandbox runtime already installs every
package's *-wasm32-wasi optional dependency (rolldown's included), so
the app doesn't need to list it.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

README.md

@@ -27,10 +27,14 @@ yarn dev                     # http://localhost:3000
 The sandbox runs Vite's native tools as WebAssembly (`NAPI_RS_FORCE_WASI`), and
 its installer resolves from `package.json` ranges rather than `yarn.lock`. So:
 
-- `vite` is pinned to **8.1.3**, which uses rolldown 1.1.x; `rolldown` and
+- `vite` is pinned to **8.1.3**, which uses rolldown 1.1.x, and `rolldown` to
-  `@rolldown/binding-wasm32-wasi` are pinned to **1.1.4**. Rolldown 1.2.x's
+  **1.1.4**. Rolldown 1.2.x's WASI binding needs glue the runtime doesn't
-  WASI binding needs glue the runtime doesn't support ("WASI binding not
+  support yet ("WASI binding not found"). Bump these only together with the
-  found"). Bump these only together with the runtime.
+  runtime.
+- WASI bindings (`@rolldown/binding-wasm32-wasi`, `@tailwindcss/oxide-wasm32-wasi`)
+  are **not** listed here: the runtime installs each package's `*-wasm32-wasi`
+  optional dependency itself, and npm on other hosts rejects them
+  (`EBADPLATFORM`).
 - `@vitejs/plugin-react` (6.0.0) and Tailwind (4.3.1) match the harness samples.
 - No Nitro: it brings its own rolldown 1.2.x.
 

package.json

@@ -13,7 +13,6 @@
     "@fontsource-variable/geist": "^5.3.0",
     "@fontsource-variable/geist-mono": "^5.3.0",
     "@remixicon/react": "^4.9.0",
-    "@rolldown/binding-wasm32-wasi": "1.1.4",
     "@shopify/hydrogen": "0.0.0-preview-116d5d7-20260730141607",
     "@tanstack/query-core": "^5.104.1",
     "@tanstack/react-query": "^5.104.1",

yarn.lock

@@ -1953,7 +1953,6 @@ __metadata:
     "@emnapi/core": "npm:1.11.1"
     "@emnapi/runtime": "npm:1.11.1"
     "@napi-rs/wasm-runtime": "npm:^1.1.6"
-  checksum: 10c0/e248421de5a5d30667deb15274101b73562e0ccb25de708eb7c1e463d825dfbf42e0a498f70093d8c22bf640d21f660c5d9e158001ecbb0e02c8c2be8db4009a
   conditions: cpu=wasm32
   languageName: node
   linkType: hard
@@ -3924,7 +3923,6 @@ __metadata:
     "@fontsource-variable/geist": "npm:^5.3.0"
     "@fontsource-variable/geist-mono": "npm:^5.3.0"
     "@remixicon/react": "npm:^4.9.0"
-    "@rolldown/binding-wasm32-wasi": "npm:1.1.4"
     "@shopify/hydrogen": "npm:0.0.0-preview-116d5d7-20260730141607"
     "@tailwindcss/vite": "npm:4.3.1"
     "@tanstack/query-core": "npm:^5.104.1"