feat(clerk): enhance disbursement review and my-requests UI components

- Update disbursement review and my-disbursement-requests components
  with improved layout and additional UI enhancements

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/app/clerk/disbursement-review/disbursement-review.component.scss

@@ -61,6 +61,16 @@
   &--approved {
     border-top: 3px solid #22c55e;
   }
+
+  &--failed {
+    border-top: 3px solid #dc2626;
+    background: #fff5f5;
+  }
+
+  &--processing {
+    border-top: 3px solid #f59e0b;
+    background: #fffbeb;
+  }
 }
 
 .dri-card-header {
@@ -114,6 +124,23 @@
     background: #fee2e2;
     color: #991b1b;
   }
+
+  &--processing {
+    background: #fef3c7;
+    color: #78350f;
+  }
+
+  &--failed {
+    background: #fee2e2;
+    color: #7f1d1d;
+  }
+}
+
+.dri-processing-text {
+  padding: 6px 20px 14px;
+  margin: 0;
+  font-size: 13px;
+  color: #78350f;
 }
 
 .dri-meta-item {