🌉 fix: Preserve Missing Locize Translations (#14917)

.github/workflows/locize-i18n-sync.yml

@@ -2,11 +2,12 @@ name: Sync Locize Translations & Create Translation PR
 
 on:
   push:
-    branches: [main]
+    branches: [dev]
     paths:
       - 'client/src/locales/en/**'
   repository_dispatch:
     types: [locize/versionPublished]
+  workflow_dispatch:
 
 concurrency:
   group: locize-i18n-sync
@@ -51,7 +52,7 @@ jobs:
 
   create-pull-request:
     name: Create Translation PR on Version Published
-    if: ${{ github.event_name == 'repository_dispatch' }}
+    if: ${{ github.event_name == 'repository_dispatch' || github.event_name == 'workflow_dispatch' }}
     runs-on: ubuntu-latest
     needs: sync-translations
     permissions:
@@ -61,6 +62,7 @@ jobs:
       - name: Checkout Repository
         uses: actions/checkout@v5
         with:
+          ref: dev
           persist-credentials: false
 
       # Keep a baseline so generated changes can be checked before opening a PR.
@@ -75,6 +77,12 @@ jobs:
           path: "client/src/locales"
           version: latest
 
+      - name: Preserve Repository Translations Missing from locize
+        run: |
+          node scripts/merge-locize-download.mjs \
+            --base-dir "$RUNNER_TEMP/locize-locale-baseline" \
+            --current-dir client/src/locales
+
       - name: Validate Downloaded Translations
         run: |
           node scripts/validate-locize-download.mjs \
@@ -91,7 +99,7 @@ jobs:
           add-paths: |
             client/src/locales/**
           commit-message: "🌍 i18n: Update translation.json with latest translations"
-          base: main
+          base: dev
           branch: i18n/locize-translation-update
           title: "🌍 i18n: Update translation.json with latest translations"
           body: |