feat: add translation script and GitHub Action for mobile i18n autofill

.github/workflows/mobile-i18n-autofill-pr.yml

@@ -0,0 +1,89 @@
+name: Mobile i18n Autofill (bot PR)
+
+on:
+  pull_request:
+    branches: [dev]
+    paths:
+      - 'cmp-android/**'
+      - 'feature/**'
+      - '.github/workflows/mobile-i18n-autofill-pr.yml'
+      - 'translate.py'
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  i18n-autofill:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          # Checks out the actual branch of the PR
+          ref: ${{ github.event.pull_request.head.ref }}
+          token: ${{ secrets.PAT_TOKEN }}
+
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          java-version: '21'
+          distribution: 'temurin'
+
+      - name: Set up Python 3.11
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+
+      - name: Cache Gradle
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.gradle/caches
+            ~/.gradle/wrapper
+          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
+          restore-keys: |
+            ${{ runner.os }}-gradle-
+
+      - name: Install Python dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install google-genai lxml
+
+      - name: Run translation autofill
+        env:
+          GEMINI_API_KEY: ${{ secrets.GEMINI_API_KEY }}
+        run: |
+          python translate.py \
+            --mode apply \
+            --locales "ar,bn,de,en,es,fa,fr,gu,hi,hu,id,km,kn,ml,mr,ms,my,pl,pt,ru,si,sw,te,ur" \
+            --model "gemma-3-27b-it" \
+            --batch-size 15 \
+            --request-delay 2
+
+      - name: Validate Android resources compile
+        run: |
+          ./gradlew :cmp-android:processDemoDebugResources
+
+      - name: Check for changes
+        id: check_changes
+        run: |
+          if git status --porcelain cmp-android/ feature/ | grep -q .; then
+            echo "has_changes=true" >> $GITHUB_OUTPUT
+          else
+            echo "has_changes=false" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Commit and Push changes
+        if: steps.check_changes.outputs.has_changes == 'true'
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+
+          git add cmp-android/ feature/
+          git commit -m "chore: auto-generate mobile i18n translations"
+
+          # Pushes directly back to the PR head branch
+          git push origin HEAD:${{ github.event.pull_request.head.ref }}