Invalid character name during creation has no UI feedback.

### Description Attempting to create a character name with a number e.g "mage94" is invalid, however there's no UI feedback for the user. ### Steps to Reproduce 1. Click "Create character" on the main menu. 2. Type an invalid name e.g "testing132". 3. Click "Create". ### Expected Behavior Invalid form state and/or error text that describes why my character name is invalid. ### Actual Behavior The "Create" button visually looks enabled, however clicking does nothing and provides no feedback. [UserJot import metadata] UserJot ID: cmmrcd6qz06lz0imxkbms4lrs Updated at: 2026-03-17 23:41:37