chore: import upstream snapshot with attribution

.github/workflows/i18n.yml

@@ -0,0 +1,178 @@
+name: 'Auto-translate Documentation'
+
+on:
+  workflow_dispatch: # Manual trigger only (scheduled runs disabled)
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  translate:
+    runs-on: blacksmith-4vcpu-ubuntu-2404
+    if: github.actor != 'github-actions[bot]' # Prevent infinite loops
+    
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
+        with:
+          ref: staging
+          token: ${{ secrets.GH_PAT }}
+          fetch-depth: 0
+
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
+        with:
+          bun-version: 1.3.13
+
+      - name: Cache Bun dependencies
+        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5
+        with:
+          path: |
+            ~/.bun/install/cache
+            node_modules
+            **/node_modules
+          key: ${{ runner.os }}-bun-${{ hashFiles('**/bun.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-bun-
+
+      - name: Run Lingo.dev translations
+        env:
+          LINGODOTDEV_API_KEY: ${{ secrets.LINGODOTDEV_API_KEY }}
+        run: |
+          cd apps/docs
+          bunx lingo.dev@latest i18n
+      
+      - name: Check for translation changes
+        id: changes
+        run: |
+          cd apps/docs
+          git config --local user.email "action@github.com"
+          git config --local user.name "GitHub Action"
+          
+          if [ -n "$(git status --porcelain content/docs)" ]; then
+            echo "changes=true" >> $GITHUB_OUTPUT
+          else
+            echo "changes=false" >> $GITHUB_OUTPUT
+          fi
+      
+      - name: Create Pull Request with translations
+        if: steps.changes.outputs.changes == 'true'
+        uses: peter-evans/create-pull-request@4e1beaa7521e8b457b572c090b25bd3db56bf1c5 # v5
+        with:
+          token: ${{ secrets.GH_PAT }}
+          commit-message: "feat(i18n): update translations"
+          title: "feat(i18n): update translations"
+          body: |
+            ## Summary
+            Automated weekly translation updates for documentation.
+
+            This PR was automatically created by the scheduled weekly i18n workflow, updating translations for all supported languages using Lingo.dev AI translation engine.
+
+            **Triggered**: Weekly scheduled run
+            **Workflow**: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
+            
+            ## Type of Change
+            - [ ] Bug fix
+            - [ ] New feature  
+            - [ ] Breaking change
+            - [x] Documentation
+            - [ ] Other: ___________
+            
+            ## Testing
+            This PR includes automated translations for modified English documentation content:
+            - 🇪🇸 Spanish (es) translations
+            - 🇫🇷 French (fr) translations
+            - 🇨🇳 Chinese (zh) translations
+            - 🇯🇵 Japanese (ja) translations
+            - 🇩🇪 German (de) translations
+            
+            **What reviewers should focus on:**
+            - Verify translated content accuracy and context
+            - Check that all links and references work correctly in translated versions
+            - Ensure formatting, code blocks, and structure are preserved
+            - Validate that technical terms are appropriately translated
+            
+            ## Checklist
+            - [x] Code follows project style guidelines (automated translation)
+            - [x] Self-reviewed my changes (automated process)
+            - [ ] Tests added/updated and passing
+            - [x] No new warnings introduced
+            - [x] I confirm that I have read and agree to the terms outlined in the [Contributor License Agreement (CLA)](./CONTRIBUTING.md#contributor-license-agreement-cla)
+            
+            ## Screenshots/Videos
+            <!-- Translation changes are text-based - no visual changes expected -->
+            <!-- Reviewers should check the documentation site renders correctly for all languages -->
+          branch: auto-translate/weekly-${{ github.run_id }}
+          base: staging
+          labels: |
+            i18n
+
+  verify-translations:
+    needs: translate
+    runs-on: blacksmith-4vcpu-ubuntu-2404
+    if: always() # Run even if translation fails
+    
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
+        with:
+          ref: staging
+
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
+        with:
+          bun-version: 1.3.13
+
+      - name: Cache Bun dependencies
+        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5
+        with:
+          path: |
+            ~/.bun/install/cache
+            node_modules
+            **/node_modules
+          key: ${{ runner.os }}-bun-${{ hashFiles('**/bun.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-bun-
+
+      - name: Install dependencies
+        run: |
+          cd apps/docs
+          bun install --frozen-lockfile
+
+      - name: Build documentation to verify translations
+        env:
+          DATABASE_URL: postgresql://dummy:dummy@localhost:5432/dummy
+        run: |
+          cd apps/docs
+          bun run build
+
+      - name: Report translation status
+        run: |
+          cd apps/docs
+          echo "## Translation Status Report" >> $GITHUB_STEP_SUMMARY
+          echo "**Weekly scheduled translation run**" >> $GITHUB_STEP_SUMMARY
+          echo "" >> $GITHUB_STEP_SUMMARY
+          
+          en_count=$(find content/docs/en -name "*.mdx" | wc -l)
+          es_count=$(find content/docs/es -name "*.mdx" 2>/dev/null | wc -l || echo 0)
+          fr_count=$(find content/docs/fr -name "*.mdx" 2>/dev/null | wc -l || echo 0)
+          zh_count=$(find content/docs/zh -name "*.mdx" 2>/dev/null | wc -l || echo 0)
+          ja_count=$(find content/docs/ja -name "*.mdx" 2>/dev/null | wc -l || echo 0)
+          de_count=$(find content/docs/de -name "*.mdx" 2>/dev/null | wc -l || echo 0)
+          
+          es_percentage=$((es_count * 100 / en_count))
+          fr_percentage=$((fr_count * 100 / en_count))
+          zh_percentage=$((zh_count * 100 / en_count))
+          ja_percentage=$((ja_count * 100 / en_count))
+          de_percentage=$((de_count * 100 / en_count))
+          
+          echo "### Coverage Statistics" >> $GITHUB_STEP_SUMMARY
+          echo "- **🇬🇧 English**: $en_count files (source)" >> $GITHUB_STEP_SUMMARY
+          echo "- **🇪🇸 Spanish**: $es_count/$en_count files ($es_percentage%)" >> $GITHUB_STEP_SUMMARY
+          echo "- **🇫🇷 French**: $fr_count/$en_count files ($fr_percentage%)" >> $GITHUB_STEP_SUMMARY
+          echo "- **🇨🇳 Chinese**: $zh_count/$en_count files ($zh_percentage%)" >> $GITHUB_STEP_SUMMARY
+          echo "- **🇯🇵 Japanese**: $ja_count/$en_count files ($ja_percentage%)" >> $GITHUB_STEP_SUMMARY
+          echo "- **🇩🇪 German**: $de_count/$en_count files ($de_percentage%)" >> $GITHUB_STEP_SUMMARY
+          echo "" >> $GITHUB_STEP_SUMMARY
+          echo "🔄 **Auto-translation PR**: Check for new pull request with updated translations" >> $GITHUB_STEP_SUMMARY