feat: add automatic release workflow

.github/workflows/release.yml

@@ -0,0 +1,129 @@
+name: Release
+
+on:
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+
+permissions:
+  contents: write
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Build
+        run: npm run build
+
+      - name: Archive build artifacts
+        run: |
+          cd public
+          zip -r ../redact-check-build.zip .
+          cd ..
+
+      - name: Upload build artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: build-artifacts
+          path: redact-check-build.zip
+
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0  # Fetch all history for changelog generation
+
+      - name: Get version from package.json
+        id: version
+        run: |
+          VERSION=$(node -p "require('./package.json').version")
+          echo "version=v${VERSION}" >> $GITHUB_OUTPUT
+          echo "Version: v${VERSION}"
+
+      - name: Download build artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: build-artifacts
+
+      - name: Generate changelog
+        id: changelog
+        run: |
+          # Get the latest tag (if exists)
+          LATEST_TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "")
+
+          COMMIT_SHA="${{ github.sha }}"
+          SHORT_SHA=$(echo "$COMMIT_SHA" | cut -c1-7)
+
+          if [ -z "$LATEST_TAG" ]; then
+            # No previous tags, show last 10 commits
+            CHANGELOG=$(git log --pretty=format:"- %s ([%h](https://github.com/${{ github.repository }}/commit/%H))" -10)
+            FILES_CHANGED=$(git diff --stat ${COMMIT_SHA}~10..${COMMIT_SHA} --stat-width=80 | tail -1)
+            COMPARE_URL=""
+            PREVIOUS_TAG="Initial release"
+          else
+            # Get commits since last tag
+            CHANGELOG=$(git log ${LATEST_TAG}..${COMMIT_SHA} --pretty=format:"- %s ([%h](https://github.com/${{ github.repository }}/commit/%H))")
+            FILES_CHANGED=$(git diff --stat ${LATEST_TAG}..${COMMIT_SHA} --stat-width=80 | tail -1)
+            COMPARE_URL="https://github.com/${{ github.repository }}/compare/${LATEST_TAG}...${SHORT_SHA}"
+            PREVIOUS_TAG="$LATEST_TAG"
+          fi
+
+          # Handle empty changelog
+          if [ -z "$CHANGELOG" ]; then
+            CHANGELOG="- ${{ github.event.head_commit.message }} ([$SHORT_SHA](https://github.com/${{ github.repository }}/commit/$COMMIT_SHA))"
+          fi
+
+          # Output using multiline string
+          echo "changes<<EOF" >> $GITHUB_OUTPUT
+          echo "$CHANGELOG" >> $GITHUB_OUTPUT
+          echo "EOF" >> $GITHUB_OUTPUT
+
+          echo "files_changed=$FILES_CHANGED" >> $GITHUB_OUTPUT
+          echo "compare_url=$COMPARE_URL" >> $GITHUB_OUTPUT
+          echo "previous_tag=$PREVIOUS_TAG" >> $GITHUB_OUTPUT
+          echo "short_sha=$SHORT_SHA" >> $GITHUB_OUTPUT
+
+      - name: Create Release
+        uses: softprops/action-gh-release@v1
+        with:
+          tag_name: ${{ steps.version.outputs.version }}-${{ github.run_number }}
+          name: Release ${{ steps.version.outputs.version }} (Build ${{ github.run_number }})
+          body: |
+            ## 🚀 Deployed to Netlify
+
+            - **Version:** ${{ steps.version.outputs.version }}
+            - **Build:** #${{ github.run_number }}
+            - **Commit:** [`${{ steps.changelog.outputs.short_sha }}`](https://github.com/${{ github.repository }}/commit/${{ github.sha }})
+
+            🌐 **[Launch Website →](${{ 'https://gear.dev/' }})**
+
+            ---
+
+            ### 📋 Changes
+            ${{ steps.changelog.outputs.changes }}
+
+            ### 📊 Files Changed
+            ```
+            ${{ steps.changelog.outputs.files_changed }}
+            ```
+
+            ### 🔍 Compare
+            ${{ steps.changelog.outputs.compare_url && format('- [**{0}** → **{1}** — View full diff]({2})', steps.changelog.outputs.previous_tag, format('{0}-{1}', steps.version.outputs.version, github.run_number), steps.changelog.outputs.compare_url) || '*(Initial release — no previous version to compare)*' }}
+          files: redact-check-build.zip
+          draft: false
+          prerelease: false