refactor(no-unlocalized-strings): remove plural forms from suffix pattern

- Plural forms (Colors, Styles, etc.) were too risky for false positives
- classNames is handled via explicit default ignore list
- Other plural cases can be configured manually via ignoreProperties

Author: swernerx

src/rules/no-unlocalized-strings.test.ts

@@ -134,9 +134,8 @@ ruleTester.run("no-unlocalized-strings", noUnlocalizedStrings, {
       />`,
       filename: "test.tsx"
     },
-    // Plural styling properties
+    // classNames is in default ignore list (not a suffix pattern)
     { code: '<Calendar classNames={{ day: "bg-white", cell: "p-2" }} />', filename: "test.tsx" },
-    { code: '({ buttonColors: { primary: "#0000ff", secondary: "#cccccc" } })', filename: "test.tsx" },
     // Color properties
     { code: '<Box backgroundColor="#ff0000" />', filename: "test.tsx" },
     { code: '<Text textColor="red-500" />', filename: "test.tsx" },

src/rules/no-unlocalized-strings.ts

@@ -490,7 +490,7 @@ function isErrorConstructorArgument(
 const CAMEL_CASE_PATTERN = /^[a-z]+([A-Z][a-z]+)+$/
 
 /** Technical suffixes with at least one lowercase char before (ensures prefix exists) */
-const STYLING_SUFFIX_PATTERN = /[a-z](ClassNames?|Class|Colors?|Styles?|Icons?|Images?|Sizes?|Ids?)$/
+const STYLING_SUFFIX_PATTERN = /[a-z](ClassName|Class|Color|Style|Icon|Image|Size|Id)$/
 
 /**
  * Checks if a property name is a styling/technical property.