feat: replace browser login with imported Reddit sessions

tests/browser-client.test.ts

@@ -0,0 +1,38 @@
+import { describe, expect, it, vi } from 'vitest';
+import type { BrowserContext } from 'playwright';
+import { BrowserClient, type BrowserRuntime } from '../src/browser/client.js';
+import type { Logger } from '../src/utils/logger.js';
+import { getTestConfig } from './testUtils.js';
+
+function createLogger(): Logger {
+  return { info: vi.fn(), warn: vi.fn(), error: vi.fn(), debug: vi.fn() } as unknown as Logger;
+}
+
+describe('BrowserClient', () => {
+  it('launches only the managed headless Playwright context', async () => {
+    const context = { pages: () => [] } as unknown as BrowserContext;
+    const runtime: BrowserRuntime = { launchPersistentContext: vi.fn().mockResolvedValue(context) };
+    const client = new BrowserClient(getTestConfig(), createLogger(), runtime);
+
+    await expect(client.initialize()).resolves.toBe(context);
+    expect(runtime.launchPersistentContext).toHaveBeenCalledWith(
+      expect.stringContaining('browser-session'),
+      expect.objectContaining({ headless: true }),
+    );
+  });
+
+  it('adds an imported session without logging cookie values', async () => {
+    const addCookies = vi.fn().mockResolvedValue(undefined);
+    const context = { pages: () => [], addCookies } as unknown as BrowserContext;
+    const runtime: BrowserRuntime = { launchPersistentContext: vi.fn().mockResolvedValue(context) };
+    const logger = createLogger();
+    const client = new BrowserClient(getTestConfig(), logger, runtime);
+    const cookies = [{ name: 'reddit_session', value: 'secret', domain: '.reddit.com', path: '/', expires: -1, httpOnly: true, secure: true, sameSite: 'Lax' as const }];
+
+    await client.importRedditCookies(cookies);
+
+    expect(addCookies).toHaveBeenCalledWith(cookies);
+    expect(client.getSessionState()).toBe('unknown');
+    expect(JSON.stringify(logger)).not.toContain('secret');
+  });
+});