allow blocked users to sign up, block server join instead

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/actions/signup.ts

@@ -62,17 +62,6 @@ export const signup = {
         }
       }
 
-      // check if user is blocked
-      if (uuid) {
-        const blockedUser = await db.getBlockedUserByUuid({ uuid: uuid });
-        if (blockedUser) {
-          throw new ActionError({
-            code: 'FORBIDDEN',
-            message: 'Du bist für die Registrierung gesperrt'
-          });
-        }
-      }
-
       await db.transaction(async (tx) => {
         const user = await tx.addUser({
           firstname: input.firstname,