Add paged bookmark export with gating and retries

tests/commands.bookmarks.test.ts

@@ -0,0 +1,41 @@
+import { Command } from 'commander';
+import { describe, expect, it, vi } from 'vitest';
+import type { CliContext } from '../src/cli/shared.js';
+import { registerBookmarksCommand } from '../src/commands/bookmarks.js';
+
+describe('bookmarks command', () => {
+  it('requires --all when --max-pages is provided', async () => {
+    const program = new Command();
+    const ctx = {
+      resolveTimeoutFromOptions: () => undefined,
+      resolveCredentialsFromOptions: async () => ({
+        cookies: { authToken: 'auth', ct0: 'ct0', cookieHeader: 'auth=auth; ct0=ct0' },
+        warnings: [],
+      }),
+      p: () => '',
+      printTweets: () => undefined,
+    } as unknown as CliContext;
+
+    registerBookmarksCommand(program, ctx);
+    const command = program.commands.find((cmd) => cmd.name() === 'bookmarks');
+    if (!command) {
+      throw new Error('bookmarks command not registered');
+    }
+
+    const action = (command as { _actionHandler: (opts: Record<string, string>) => Promise<void> })._actionHandler;
+    const exitSpy = vi
+      .spyOn(process, 'exit')
+      .mockImplementation(((code?: number) => {
+        throw new Error(`exit ${code}`);
+      }) as never);
+    const errorSpy = vi.spyOn(console, 'error').mockImplementation(() => undefined);
+
+    try {
+      await expect(action({ maxPages: '2' })).rejects.toThrow('exit 1');
+      expect(errorSpy).toHaveBeenCalledWith(expect.stringContaining('--max-pages requires --all'));
+    } finally {
+      exitSpy.mockRestore();
+      errorSpy.mockRestore();
+    }
+  });
+});