Add account browsing simulation

tests/reddit-api.test.ts

@@ -30,6 +30,32 @@ describe('RedditApiClient', () => {
     vi.clearAllMocks();
   });
 
+  describe('getBrowsingComments', () => {
+    it('returns typed comment identity and moderation fields without changing the text reader', async () => {
+      const get = vi.fn().mockResolvedValue({
+        data: [{ data: { children: [] } }, { data: { children: [{
+          data: {
+            name: 't1_comment', author: 'alice', subreddit: 'AskUK',
+            permalink: '/r/AskUK/comments/post/topic/comment/', created_utc: 123,
+            score: 7, body: 'A useful answer with enough detail', distinguished: null,
+          },
+        }] } }],
+      });
+      vi.mocked(axios.create).mockReturnValue({ get } as unknown as AxiosInstance);
+      const client2 = new RedditApiClient(getTestConfig(), logger);
+
+      await expect(client2.getBrowsingComments('AskUK', 'post', 10)).resolves.toEqual([{
+        fullname: 't1_comment', kind: 'comment', subreddit: 'AskUK', author: 'alice',
+        permalink: '/r/AskUK/comments/post/topic/comment/', createdAt: 123_000,
+        score: 7, text: 'A useful answer with enough detail', nsfw: false,
+        parentPostId: 'post', distinguished: null, removed: false,
+      }]);
+      expect(get).toHaveBeenCalledWith('/r/AskUK/comments/post.json', {
+        params: { limit: 10, depth: 1, sort: 'hot', raw_json: 1 }, headers: {},
+      });
+    });
+  });
+
   describe('hasImage', () => {
     const validPostFactory = (overrides: Partial<RedditPost> = {}): RedditPost => ({
       id: 't3_test',