refactor(ui): enforce shortcut registration IDs

packages/ui/src/hooks/useKeybind.test.ts

@@ -0,0 +1,21 @@
+import { expect, test } from 'bun:test';
+import type { ShortcutHandler } from '@/lib/shortcuts';
+import type { ShortcutBindings } from './useKeybind';
+
+const handler: ShortcutHandler = () => {};
+const validBindings = {
+  open_session_list: handler,
+};
+const mixedBindingsWithTypo = {
+  open_session_list: handler,
+  open_session_lsit: handler,
+};
+
+const acceptedBindings: ShortcutBindings<typeof validBindings> = validBindings;
+// @ts-expect-error A misspelled key must fail even when the object also contains a valid ID.
+const rejectedBindings: ShortcutBindings<typeof mixedBindingsWithTypo> = mixedBindingsWithTypo;
+void rejectedBindings;
+
+test('accepts bindings whose IDs are declared in the shortcut schema', () => {
+  expect(Object.keys(acceptedBindings)).toEqual(['open_session_list']);
+});