fix: simplify assistant shortcut

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");
+  });
+});