fix: simplify assistant shortcut

apps/docs/docs/management/assistant.mdx

@@ -9,7 +9,7 @@ tags:
 # Assistant
 
 Administrators can configure the instance-wide AI assistant from **Management → Assistant**.
-It is available to signed-in users from the user menu, with `Cmd/Ctrl + Shift + K`, and from the
+It is available to signed-in users from the user menu, with `Shift + A`, and from the
 `Cmd/Ctrl + K` command menu. **Ask Homarr Assistant** is always available as a local result in the default
 search. Selecting it with an existing query sends that query in the background; selecting it without a
 query turns the command-menu search field into a prompt composer. Press
@@ -21,7 +21,8 @@ avatar shows a thinking indicator. The activity bar can be opened to follow the
 responses add an unread count to the user menu until they are opened or dismissed. The expanded
 conversation has a minimize action that returns it to the activity bar without interrupting a response.
 
-`Cmd/Ctrl + Shift + K` opens the compact conversation panel directly.
+`Shift + A` opens the compact conversation panel directly. The shortcut is ignored while typing in text
+fields, selectors, and editable content.
 
 When the assistant is unavailable, its command-menu result remains visible but disabled and explains that
 an administrator must configure and enable it.

apps/nextjs/src/components/assistant/assistant-provider.tsx

@@ -620,7 +620,7 @@ const EnabledAssistantProvider = ({ children }: PropsWithChildren) => {
     setUnreadCount((current) => current + 1);
   }, [isLoading, notificationKey, opened]);
 
-  useHotkeys([[hotkeys.openAssistant, open]]);
+  useHotkeys([[hotkeys.openAssistant, open, { preventDefault: true }]]);
 
   const spotlightItem = useMemo(
     () => ({

packages/definitions/src/hotkeys.ts

@@ -3,5 +3,5 @@ export const hotkeys = {
   toggleColorScheme: "mod+j",
   saveNotebook: "mod+s",
   openSpotlight: "mod+k",
-  openAssistant: "mod+shift+k",
+  openAssistant: "shift+a",
 };

packages/definitions/src/test/hotkeys.spec.ts

@@ -0,0 +1,9 @@
+import { describe, expect, it } from "vitest";
+
+import { hotkeys } from "../hotkeys";
+
+describe("hotkeys", () => {
+  it("uses the discoverable assistant shortcut", () => {
+    expect(hotkeys.openAssistant).toBe("shift+a");
+  });
+});