Method savePreferences

src/services/preferences/types.ts:23–23

(partial: Partial<Preferences>)

export interface PreferencesAdapter {
  getPreferences(): Promise<Preferences>
  savePreferences(partial: Partial<Preferences>): Promise<{ success: boolean; error?: string }>
  getUiConfig(): Promise<UiConfig>
  saveUiConfig(partial: Partial<UiConfig>): Promise<{ success: boolean; error?: string }>
  getLocale(): Promise<string>