Add TUI notifications and attention sounds (disabled by default) (#26980)

packages/opencode/src/cli/cmd/tui/plugin/api.tsx

@@ -40,6 +40,7 @@ type Input = {
   theme: ReturnType<typeof useTheme>
   toast: ReturnType<typeof useToast>
   renderer: TuiPluginApi["renderer"]
+  attention: TuiPluginApi["attention"]
 }
 
 function routeRegister(routes: RouteMap, list: TuiRouteDefinition[], bump: () => void) {
@@ -206,6 +207,7 @@ export function createTuiApi(input: Input): TuiPluginApi {
   }
   return {
     app: appApi(),
+    attention: input.attention,
     // Keep deprecated `api.command` working for v1 plugins; remove in v2.
     command: createCommandShim(input.keymap, input.dialog, input.tuiConfig.keybinds),
     keys: {