feat: add per-integration content tabs to product edit form with CSS and JS

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

resources/scss/app.scss

@@ -804,6 +804,48 @@ a {
   border-radius: 10px;
   background: #fff;
   padding: 10px;
+  overflow: hidden;
+
+  &__meta {
+    display: flex;
+    align-items: flex-start;
+    justify-content: space-between;
+    gap: 8px;
+    min-width: 0;
+  }
+}
+
+.product-show-image-path {
+  font-size: 12px;
+  min-width: 0;
+  overflow: hidden;
+
+  summary {
+    cursor: pointer;
+    color: var(--c-muted, #888);
+    list-style: none;
+    user-select: none;
+    white-space: nowrap;
+
+    &::-webkit-details-marker {
+      display: none;
+    }
+
+    &::after {
+      content: ' ▾';
+    }
+  }
+
+  &[open] summary::after {
+    content: ' ▴';
+  }
+
+  &__url {
+    margin-top: 4px;
+    word-break: break-all;
+    overflow-wrap: break-word;
+    font-size: 11px;
+  }
 }
 
 .product-show-image {
@@ -814,6 +856,49 @@ a {
   border: 1px solid #d9e0ea;
 }
 
+.content-tabs-card {
+  margin-top: 0;
+}
+
+.content-tabs-nav {
+  display: flex;
+  gap: 4px;
+  border-bottom: 2px solid var(--c-border);
+  margin-bottom: 16px;
+  flex-wrap: wrap;
+}
+
+.content-tab-btn {
+  padding: 8px 16px;
+  border: none;
+  background: none;
+  cursor: pointer;
+  font-size: 14px;
+  font-weight: 500;
+  color: var(--c-text-muted, #6b7280);
+  border-bottom: 2px solid transparent;
+  margin-bottom: -2px;
+  border-radius: 4px 4px 0 0;
+  transition: color 0.15s, border-color 0.15s;
+
+  &:hover {
+    color: var(--c-text-strong, #111827);
+  }
+
+  &.is-active {
+    color: var(--c-primary, #2563eb);
+    border-bottom-color: var(--c-primary, #2563eb);
+  }
+}
+
+.content-tab-panel {
+  display: none;
+
+  &.is-active {
+    display: block;
+  }
+}
+
 @media (max-width: 768px) {
   .app-shell {
     grid-template-columns: 1fr;