fix(ancpi): GET CheckoutConfirmationSubmit after EditCartSubmit

EditCartSubmit returns 200 (not redirect) — Angular does client-side
redirect to CheckoutConfirmationSubmit.action. Added this step to
actually confirm the order before looking for the orderId.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

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

@@ -446,23 +446,39 @@ export class EpayClient {
       // No previous orders
     }
 
+    // Step 1: POST EditCartSubmit (Angular does this, gets 200 back)
     const body = new URLSearchParams();
     body.set("goToCheckout", "true");
 
-    const response = await this.client.post(
+    await this.client.post(
       `${BASE_URL}/EditCartSubmit.action`,
       body.toString(),
       {
         headers: { "Content-Type": "application/x-www-form-urlencoded" },
         timeout: DEFAULT_TIMEOUT_MS,
-        maxRedirects: 10,
         validateStatus: () => true,
       },
     );
 
-    const finalUrl =
-      response.request?.res?.responseUrl ?? response.config?.url ?? "";
-    console.log(`[epay] EditCartSubmit: finalUrl=${finalUrl.slice(0, 100)}`);
+    // Step 2: GET CheckoutConfirmationSubmit (Angular redirects here client-side)
+    const confirmResponse = await this.client.get(
+      `${BASE_URL}/CheckoutConfirmationSubmit.action`,
+      {
+        timeout: DEFAULT_TIMEOUT_MS,
+        maxRedirects: 5,
+        validateStatus: () => true,
+      },
+    );
+
+    const confirmHtml = String(confirmResponse.data ?? "");
+    const hasConfirmation =
+      confirmHtml.includes("mulțumim") ||
+      confirmHtml.includes("multumim") ||
+      confirmHtml.includes("confirmare");
+
+    console.log(
+      `[epay] Checkout confirmation: ${hasConfirmation ? "OK" : "uncertain"} (${confirmHtml.length} chars)`,
+    );
 
     // Find the NEW orderId (different from previous + not in knownOrderIds)
     return this.findNewOrderId(previousOrderId, knownOrderIds);