fix(user-center): complete certification and order flows

Fix modal scroll ownership and certification modal styling, store evidence as Media Library attachments, reconcile missed provider callbacks, validate currencies, and complete digital fulfillment only after durable entitlement delivery.

assets/css/routes/orders.css

@@ -522,8 +522,15 @@
 }
 
 /* Order detail modal content */
+html.aksrt-modal-open {
+  overflow: hidden;
+}
+
 .aksrt-order-detail-dialog {
+  display: flex;
+  flex-direction: column;
   width: min(520px, 100%);
+  max-height: min(85vh, 760px);
   border-radius: 20px;
   overflow: hidden;
   background: var(--surface-1, #fff);
@@ -557,8 +564,12 @@
 }
 
 .aksrt-order-detail-dialog .aksrt-modal__body {
+  min-height: 0;
   padding: 8px 18px 16px;
   gap: 14px;
+  overflow-x: hidden;
+  overflow-y: auto;
+  overscroll-behavior: contain;
 }
 
 /* Hero: status + amount */
@@ -1413,6 +1424,10 @@ html.dark .aksrt-order-detail-dialog .aksrt-modal__footer {
   border: 1px solid color-mix(in srgb, var(--color-line, #e5e7eb) 70%, transparent);
 }
 
+.aksrt-modal__dialog.aksrt-order-detail-dialog {
+  overflow: hidden;
+}
+
 .aksrt-modal__header {
   display: flex;
   align-items: center;

assets/css/routes/user-center/settings.css

@@ -399,7 +399,7 @@
 .uc-auth-card--verified .uc-auth-card__art { background: linear-gradient(150deg, #20a77d, #3287df); }
 
 .uc-auth-modal { z-index: 620; }
-.uc-auth-modal .aksrt-modal__dialog { width: min(620px, calc(100vw - 28px)); max-height: min(760px, calc(100vh - 40px)); overflow: auto; }
+.uc-auth-modal__dialog { width: min(620px, calc(100vw - 28px)); max-width: 620px; max-height: min(760px, calc(100vh - 40px)); overflow: auto; background: var(--surface-1, #fff); }
 .uc-auth-modal__header > div { display: flex; align-items: center; gap: 10px; }
 .uc-auth-modal__header > div > span { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 11px; background: var(--color-primary-soft); color: var(--color-primary); }
 .uc-auth-modal__body { padding: 22px; }
@@ -433,5 +433,5 @@
   .uc-auth-card__art { font-size: 34px; }
   .uc-auth-card__content { padding: 20px 17px; }
   .uc-auth-card__content h2 { font-size: 20px; }
-  .uc-auth-modal .aksrt-modal__dialog { position: fixed; inset: auto 0 0; width: 100%; max-height: 88vh; margin: 0; border-radius: 18px 18px 0 0; }
+  .uc-auth-modal__dialog { position: fixed; inset: auto 0 0; width: 100%; max-width: none; max-height: 88vh; margin: 0; border-radius: 18px 18px 0 0; }
 }