Function useCupThreadContext

useCupThreadContext(): CupThreadContextValue
Hook returning the full CupThread context value including client, colors, config, and refresh handler.

Returns CupThreadContextValue
The entire CupThreadContextValue.
Throws
Error If called outside of a <CupThreadProvider>.
Example
```
function DiagnosticsBar() {
  const { appConfig, isLoadingConfig, refreshConfig } = useCupThreadContext();
  return (
    <TouchableOpacity onPress={refreshConfig}>
      <Text>{isLoadingConfig ? 'Updating...' : appConfig?.name}</Text>
    </TouchableOpacity>
  );
}
```
- Defined in src/theme/CupThreadThemeProvider.tsx:335