Function mergeChatPanelColors

mergeChatPanelColors(userColors?: Partial<ChatPanelColors>): ChatPanelColors
Merges user-provided colors with defaults.
Parameters
- OptionaluserColors: Partial<ChatPanelColors>
  Partial colors to merge with defaults
Returns ChatPanelColors
Complete colors object with user overrides applied
Example
```
const colors = mergeChatPanelColors({
  localMessageBackground: '#4caf50',
  localMessageText: '#ffffff',
});
```
- Defined in chat/defaults.ts:233