ci: add GitHub Actions for ClawHub validation and tag-based publishing

.github/workflows/publish.yml

@@ -0,0 +1,60 @@
+name: Publish to ClawHub
+
+on:
+  push:
+    tags:
+      - "v*"
+
+permissions:
+  contents: read
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    environment: release
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: 10.33.1
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 24
+          cache: pnpm
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Build
+        # ClawHub packs the folder with `npm pack --ignore-scripts`, so the
+        # compiled `dist/` must already exist on disk before publishing.
+        run: pnpm run build
+
+      - name: Install ClawHub CLI
+        run: npm install -g clawhub@latest
+
+      - name: Sign in to ClawHub
+        env:
+          CLAWHUB_TOKEN: ${{ secrets.CLAWHUB_TOKEN }}
+        run: |
+          if [ -z "$CLAWHUB_TOKEN" ]; then
+            echo "::error::CLAWHUB_TOKEN secret is required to publish."
+            exit 1
+          fi
+          clawhub login --token "$CLAWHUB_TOKEN"
+          clawhub whoami
+
+      - name: ClawHub validate
+        run: clawhub package validate .
+
+      - name: ClawHub publish (dry run)
+        run: clawhub package publish . --family code-plugin --dry-run
+
+      - name: ClawHub publish
+        run: clawhub package publish . --family code-plugin

.github/workflows/validate.yml

@@ -0,0 +1,53 @@
+name: Validate Plugin
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  validate:
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix:
+        node-version: [22, 24]
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: 10.33.1
+
+      - name: Set up Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: pnpm
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Typecheck
+        run: pnpm run typecheck
+
+      - name: Build
+        run: pnpm run build
+
+      - name: Install ClawHub CLI
+        run: npm install -g clawhub@latest
+
+      - name: ClawHub validate
+        run: clawhub package validate .
+
+      - name: ClawHub publish (dry run)
+        run: clawhub package publish . --family code-plugin --dry-run