refactor: replace store-based keyboard action requests with direct dispatcher and simplify agent attention clearing

packages/app/src/hooks/use-keyboard-action-handler.ts

@@ -0,0 +1,37 @@
+import { useEffect } from "react";
+
+import {
+  keyboardActionDispatcher,
+  type KeyboardActionDefinition,
+  type KeyboardActionHandler,
+  type KeyboardActionId,
+} from "@/keyboard/keyboard-action-dispatcher";
+
+type UseKeyboardActionHandlerInput = {
+  handlerId: string;
+  actions: readonly KeyboardActionId[];
+  enabled: boolean;
+  priority: number;
+  isActive?: () => boolean;
+  handle: (action: KeyboardActionDefinition) => boolean;
+};
+
+export function useKeyboardActionHandler(input: UseKeyboardActionHandlerInput) {
+  useEffect(() => {
+    return keyboardActionDispatcher.registerHandler({
+      handlerId: input.handlerId,
+      actions: input.actions,
+      enabled: input.enabled,
+      priority: input.priority,
+      isActive: input.isActive,
+      handle: input.handle,
+    });
+  }, [
+    input.actions,
+    input.enabled,
+    input.handle,
+    input.handlerId,
+    input.isActive,
+    input.priority,
+  ]);
+}