ci: add build/release workflow, manage pnpm with mise at latest

Workflow was a local aerospike copy: point names/paths at
prettyborders.zip, drop the test step (no test suite), install via
pnpm --frozen-lockfile --ignore-scripts, and provision pnpm through
mise instead of an unpinned npm -g.

.gitea/workflows/build.yaml

@@ -0,0 +1,106 @@
+name: Build and Test
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: archlinux
+    container:
+      image: node:25
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v6
+
+      - name: Install mise
+        run: |
+          curl -fsSL https://mise.run | sh
+          echo "$HOME/.local/bin" >> "$GITHUB_PATH"
+
+      - name: Install pnpm
+        run: |
+          export PATH="$HOME/.local/bin:$PATH"
+          mise trust
+          mise install pnpm
+          mise reshim
+          echo "$HOME/.local/share/mise/shims" >> "$GITHUB_PATH"
+
+      - name: Install just
+        run: |
+          curl --proto '=https' --tlsv1.2 -sSf https://just.systems/install.sh | bash -s -- --to /usr/local/bin
+
+      - name: Install system dependencies
+        run: |
+          apt-get update
+          apt-get install -y libglib2.0-dev glib-networking zip
+
+      - name: Install project dependencies
+        run: pnpm install --frozen-lockfile --ignore-scripts
+
+      - name: Build and package extension
+        run: just build-package
+
+      - name: Upload extension package
+        uses: actions/upload-artifact@v3
+        with:
+          name: prettyborders-extension
+          path: prettyborders.zip
+          retention-days: 30
+
+  release:
+    needs: build
+    runs-on: archlinux
+    if: github.ref == 'refs/heads/main' && github.event_name == 'push'
+    environment:
+      name: production
+    container:
+      image: node:25
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v6
+
+      - name: Download artifact
+        uses: actions/download-artifact@v3
+        with:
+          name: prettyborders-extension
+
+      - name: Get version from package.json
+        id: get_version
+        run: |
+          VERSION=$(node -p "require('./package.json').version")
+          echo "version=v${VERSION}" >> $GITHUB_OUTPUT
+
+      - name: Create Gitea Release
+        env:
+          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
+        run: |
+          curl -X POST \
+            -H "Authorization: token ${GITEA_TOKEN}" \
+            -H "Content-Type: application/json" \
+            -d '{
+              "tag_name": "${{ steps.get_version.outputs.version }}",
+              "name": "Release ${{ steps.get_version.outputs.version }}",
+              "body": "Automated release of prettyborders GNOME extension ${{ steps.get_version.outputs.version }}\n\n## Installation\nDownload prettyborders.zip and install it as a GNOME extension."
+            }' \
+            "${GITHUB_API_URL}/repos/${GITHUB_REPOSITORY}/releases"
+
+      - name: Upload Release Asset
+        env:
+          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
+        run: |
+          RELEASE_ID=$(curl -H "Authorization: token ${GITEA_TOKEN}" \
+            "${GITHUB_API_URL}/repos/${GITHUB_REPOSITORY}/releases/tags/${{ steps.get_version.outputs.version }}" | \
+            grep -Po '"id":\s*\K[0-9]+' | head -1)
+
+          curl -X POST \
+            -H "Authorization: token ${GITEA_TOKEN}" \
+            -H "Content-Type: multipart/form-data" \
+            -F "attachment=@prettyborders.zip" \
+            "${GITHUB_API_URL}/repos/${GITHUB_REPOSITORY}/releases/${RELEASE_ID}/assets?name=prettyborders.zip"

mise.toml

@@ -0,0 +1,2 @@
+[tools]
+pnpm = "latest"