feat(localization): add Japanese language support and CJK validation

.github/workflows/localization.yml

@@ -5,7 +5,8 @@ on:
     paths:
       - "Frameworks/Resources/*.xcstrings"
       - "Scripts/normalize-string-catalogs.py"
-      - "Scripts/check-zh-localization.sh"
+      - "Scripts/check-cjk-localization.py"
+      - "Scripts/Tests/test_cjk_localization.py"
       - "Scripts/Tests/test_normalize_string_catalogs.py"
       - ".github/workflows/localization.yml"
   push:
@@ -13,7 +14,8 @@ on:
     paths:
       - "Frameworks/Resources/*.xcstrings"
       - "Scripts/normalize-string-catalogs.py"
-      - "Scripts/check-zh-localization.sh"
+      - "Scripts/check-cjk-localization.py"
+      - "Scripts/Tests/test_cjk_localization.py"
       - "Scripts/Tests/test_normalize_string_catalogs.py"
       - ".github/workflows/localization.yml"
 
@@ -28,5 +30,7 @@ jobs:
         uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
       - name: Test catalog normalization
         run: python3 -m unittest discover -s Scripts/Tests -p 'test_normalize_string_catalogs.py'
-      - name: Check catalog stability and Chinese translations
-        run: Scripts/check-zh-localization.sh
+      - name: Test localization checks
+        run: python3 -m unittest discover -s Scripts/Tests -p 'test_cjk_localization.py'
+      - name: Check catalog stability and CJK translations
+        run: python3 Scripts/check-cjk-localization.py