Treat Telegram references as seller signals

tests/prompts.test.ts

@@ -249,6 +249,9 @@ describe('Prompt Testing', () => {
       expect(keywords).toContain('manyvids');
       expect(keywords).toContain('cash.app');
       expect(keywords).toContain('venmo');
+      expect(keywords).toContain('telegram');
+      expect(config.reddit.sellerDomains).toContain('t.me');
+      expect(config.reddit.sellerDomains).toContain('telegram.me');
     });
   });
 });