address the comments

Author: yelizhenden-mdb

tools/spectral/ipa/__tests__/IPA126TagNamesShouldUseTitleCase.test.js

@@ -134,6 +134,7 @@ testRule('xgen-IPA-126-tag-names-should-use-title-case', [
         { name: '-Test Tag' },
         { name: 'Test Tag-' },
         { name: 'Test Tag -Name' },
+        { name: 'the Test Tag' },
       ],
     },
     errors: [
@@ -173,6 +174,12 @@ testRule('xgen-IPA-126-tag-names-should-use-title-case', [
         path: ['tags', '7'],
         severity: DiagnosticSeverity.Warning,
       },
+      {
+        code: 'xgen-IPA-126-tag-names-should-use-title-case',
+        message: 'Tag name should use Title Case, found: "the Test Tag".',
+        path: ['tags', '8'],
+        severity: DiagnosticSeverity.Warning,
+      },
     ],
   },
 ]);

tools/spectral/ipa/rulesets/functions/IPA126TagNamesShouldUseTitleCase.js

@@ -26,23 +26,22 @@ export default (input, { ignoreList, grammaticalWords }, { path }) => {
 
 function isTitleCase(str, ignoreList, grammaticalWords) {
   // Split by spaces to check each word/word-group
+  // First character should be uppercase, rest lowercase, all alphabetical
   const words = str.split(' ');
 
-  return words.every((wordGroup) => {
+  return words.every((wordGroup, index) => {
     // For hyphenated words, check each part
     if (wordGroup.includes('-')) {
       const hyphenatedParts = wordGroup.split('-');
       return hyphenatedParts.every((part) => {
         if (ignoreList.includes(part)) return true;
-        if (grammaticalWords.includes(part)) return true;
-        // First character should be uppercase, rest lowercase, all alphabetical
         return /^[A-Z][a-z]*$/.test(part);
       });
     }
 
     // For regular words
     if (ignoreList.includes(wordGroup)) return true;
-    if (grammaticalWords.includes(wordGroup)) return true;
+    if (index !== 0 && grammaticalWords.includes(wordGroup)) return true;
     return /^[A-Z][a-z]*$/.test(wordGroup);
   });
 }