Improve seller account filtering

tests/reddit-api.test.ts

@@ -242,6 +242,38 @@ describe('RedditApiClient', () => {
   });
 
   describe('isSellerProfile', () => {
+    it('returns true for a seller signal in the current post without fetching the profile', async () => {
+      const get = vi.fn();
+      vi.mocked(axios.create).mockReturnValue({ get } as any);
+      const client2 = new RedditApiClient(getTestConfig(), logger);
+      const post = {
+        id: 'post-1', name: 't3_post-1', subreddit: 'test', author: 'testuser',
+        title: 'Come and subscribe', selftext: 'My page is at https://onlyfans.com/example',
+        url: 'https://reddit.com/post-1', permalink: '/r/test/post-1', thumbnail: '',
+        is_self: true, created_utc: 1, over_18: true, spoiler: false,
+      };
+
+      await expect(client2.isSellerProfile('testuser', ['onlyfans'], ['onlyfans.com'], post))
+        .resolves.toBe(true);
+      expect(get).not.toHaveBeenCalled();
+    });
+
+    it('detects seller signals in recent profile activity when the bio is clean', async () => {
+      const get = vi.fn()
+        .mockResolvedValueOnce({ data: { data: { subreddit: { public_description: 'Just me' } } } })
+        .mockResolvedValueOnce({
+          data: { data: { children: [{ data: { title: 'New content', subreddit: 'OnlyFansPromotions' } }] } },
+        });
+      vi.mocked(axios.create).mockReturnValue({ get } as any);
+      const client2 = new RedditApiClient(getTestConfig(), logger);
+
+      await expect(client2.isSellerProfile('testuser', ['onlyfans'])).resolves.toBe(true);
+      expect(get).toHaveBeenNthCalledWith(2, '/user/testuser/overview.json', {
+        params: { limit: 25, raw_json: 1 },
+        headers: {},
+      });
+    });
+
     it('returns true when seller keyword matches', async () => {
       const mockResponse = {
         data: {