refactor(ui): extract SessionBrowser static ui components (#22348)

packages/cli/src/ui/components/SessionBrowser/SessionBrowserLoading.tsx

@@ -0,0 +1,18 @@
+/**
+ * @license
+ * Copyright 2026 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import type React from 'react';
+import { Box, Text } from 'ink';
+import { Colors } from '../../colors.js';
+
+/**
+ * Loading state component displayed while sessions are being loaded.
+ */
+export const SessionBrowserLoading = (): React.JSX.Element => (
+  <Box flexDirection="column" paddingX={1}>
+    <Text color={Colors.Gray}>Loading sessions…</Text>
+  </Box>
+);