fix: remove workspaces field from package.json and update uuid to v14

.github/workflows/publish-npm.yml

@@ -37,8 +37,8 @@ jobs:
           registry-url: 'https://registry.npmjs.org'
           cache: 'npm'
 
-      - name: Upgrade npm to latest
-        run: npm install -g npm@latest
+      - name: Upgrade npm to latest 11.x (newest major compatible with node 20)
+        run: npm install -g npm@11
 
       - name: Verify npm version
         run: npm --version
@@ -72,8 +72,8 @@ jobs:
           registry-url: 'https://registry.npmjs.org'
           cache: 'npm'
 
-      - name: Upgrade npm to latest
-        run: npm install -g npm@latest
+      - name: Upgrade npm to latest 11.x (newest major compatible with node 20)
+        run: npm install -g npm@11
 
       - name: Install all npm packages
         run: npm ci
@@ -105,8 +105,8 @@ jobs:
           registry-url: 'https://registry.npmjs.org'
           cache: 'npm'
 
-      - name: Upgrade npm to latest
-        run: npm install -g npm@latest
+      - name: Upgrade npm to latest 11.x (newest major compatible with node 20)
+        run: npm install -g npm@11
 
       - name: Configure git user name and email
         run: |

CONTRIBUTING.md

@@ -28,7 +28,7 @@ The `develop` branch is the development branch which means it contains the next
 
 ## Local Environment
 
-This repository contains a local environment setup using the `@wordpress/env` package and uses npm workspaces to manage dependencies for both the root package and the `example` workspace.
+This repository contains a local environment setup using the `@wordpress/env` package. The root package and the `example/` project are separate npm packages (not npm workspaces), so each needs its own `npm install`.
 
 ### Installation
 
@@ -38,7 +38,14 @@ From the repository root, run:
 npm ci
 ```
 
-This will install all dependencies for both the root package and the `example` workspace automatically.
+Then build the main package and install the `example/` project's own dependencies (the example project depends on the built `dist/` output, so the build has to happen first):
+
+```bash
+npm run build
+npm install --prefix example
+```
+
+Alternatively, running `npm run build-test-env` from the root will build the main package, install the `example/` dependencies, and build the example project for you.
 
 ### Building
 
@@ -48,15 +55,17 @@ To build the assets, run from the repository root:
 npm run build
 ```
 
-This will build both the main package and the example workspace. Alternatively, if you want to watch for changes during development, use:
+This builds the main package only. To also build the example project, run:
 
 ```bash
-npm run start
+npm run build --prefix example
 ```
 
-You can also build workspaces individually if needed:
-- From root: `npm run build` (builds main package)
-- From example: `npm run build` (builds example workspace)
+If you want to watch for changes during development, use:
+
+```bash
+npm run start
+```
 
 ### Starting the Local Environment