fix(removeContentTags): keep newlines to preserve formatting

The space normalization logic is updated to replace only multiple spaces
and tabs with a single space, while preserving newlines. This change
ensures that the formatting of the content is maintained, especially
when dealing with empty line requirements and max line length.

Author: jcppkkk

src/utils/removeContentTags.ts

@@ -43,9 +43,9 @@ export function removeContentTags<T extends string | null | undefined>(content:
       result += content[i];
     }
   }
-  
-  // Normalize spaces (replace multiple spaces with a single space)
-  result = result.replace(/\s+/g, ' ').trim();
-  
+
+  // Normalize multiple spaces/tabs into a single space (preserves newlines), then trim.
+  result = result.replace(/[ \t]+/g, ' ').trim();
+
   return result as unknown as T;
 }