Treat Telegram references as seller signals

tests/config.test.ts

@@ -155,6 +155,9 @@ describe('ConfigSchema', () => {
       if (result.success) {
         expect(result.data.reddit.sellerKeywords.length).toBeGreaterThan(0);
         expect(result.data.reddit.sellerKeywords).toContain('onlyfans');
+        expect(result.data.reddit.sellerKeywords).toContain('telegram');
+        expect(result.data.reddit.sellerDomains).toContain('t.me');
+        expect(result.data.reddit.sellerDomains).toContain('telegram.me');
       }
     });