feat(ancpi): extract Angular AJAX endpoints from ShowCartItems page

src/modules/parcel-sync/services/epay-client.ts

@@ -245,6 +245,17 @@ export class EpayClient {
     }
   }
 
+  /* ── Raw HTML fetch (for page scraping) ─────────────────── */
+
+  async getRawHtml(url: string): Promise<string> {
+    const response = await this.client.get(url, {
+      timeout: DEFAULT_TIMEOUT_MS,
+      maxRedirects: 5,
+      validateStatus: () => true,
+    });
+    return String(response.data ?? "");
+  }
+
   /* ── Credits ───────────────────────────────────────────────── */
 
   async getCredits(): Promise<number> {