Implement the streaming equivalent of MUtf8Encoder and MUtf8Decoder.

.gitattributes

@@ -0,0 +1 @@
+testdata.mts linguist-generated=true

.github/workflows/build.yaml

@@ -1,5 +1,6 @@
 name: build
 on:
+  pull_request:
   push:
     branches: master
 jobs:

.github/workflows/publish-mutf-8-stream.yaml

@@ -0,0 +1,20 @@
+name: publish mutf-8-stream
+on: workflow_dispatch
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: npm
+          registry-url: https://registry.npmjs.org
+      - name: Install dependencies
+        run: npm ci --ignore-scripts=true
+      - name: Run build mutf-8
+        run: npm run build:ci --workspace=packages/mutf-8
+      - name: Publish package
+        run: npm publish --workspace=packages/mutf-8-stream
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}