Fix: added empty string as default for tag color and added regex to resolve issue with multiple spacing in tag names.

frontend/src/hooks/api/tags/queries.tsx

@@ -38,7 +38,7 @@ export const useCreateWsTag = () => {
     mutationFn: async ({ workspaceID, tagName, tagColor, tagSlug }) => {
       const { data } = await apiRequest.post(`/api/v2/workspace/${workspaceID}/tags`, {
         name: tagName,
-        tagColor: tagColor || null,
+        tagColor: tagColor || "",
         slug: tagSlug
       })
       return data;

frontend/src/hooks/api/tags/types.ts

@@ -17,7 +17,7 @@ export type CreateTagDTO = {
   workspaceID: string;
   tagSlug: string;
   tagName: string;
-  tagColor: string | null;
+  tagColor: string;
 };
 
 export type CreateTagRes = {