docs(useTheme): fix colors JSDoc to reflect all-themes behavior

Closes #187

Author: johnleider

apps/docs/src/pages/composables/plugins/use-theme.md

@@ -124,7 +124,7 @@ Theme selection and computed colors are reactive. Switching themes automatically
 | `selectedItem` | <AppSuccessIcon /> | Current theme ticket |
 | `selectedValue` | <AppSuccessIcon /> | Current theme colors |
 | `selectedIndex` | <AppSuccessIcon /> | Index in registry |
-| `colors` | <AppSuccessIcon /> | Resolved colors with aliases |
+| `colors` | <AppSuccessIcon /> | Resolved colors for all registered themes (keyed by theme ID) |
 | `isDark` | <AppSuccessIcon /> | Current theme is dark |
 | `select(id)` | — | Switch to a specific theme by ID |
 | `cycle(ids?)` | — | Advance to the next theme. Pass an array to restrict which themes to cycle |

packages/0/src/composables/useTheme/index.ts

@@ -114,9 +114,11 @@ export interface ThemeContext<
   E extends ThemeTicket<Z> = ThemeTicket<Z>,
 > extends Omit<SingleContext<Z, E>, 'register'> {
   /**
-   * A computed reference to the resolved colors of the current theme.
+   * A computed reference to the resolved colors of all registered themes.
    *
-   * @remarks The colors are resolved by replacing any token aliases with their actual values.
+   * @remarks Returns a record keyed by theme ID. Each value contains the theme's colors
+   * with any token aliases resolved to their actual values. Lazy themes are excluded
+   * unless they are currently selected.
    *
    * @see https://0.vuetifyjs.com/composables/plugins/use-theme
    *