Allow artworks to have one primary category and extra secondaries.

Keep artwork_category as membership, store a deterministic primary_category_id, and let upload plus studio pick up to five additional same-type categories without changing canonical URLs.

resources/js/components/upload/UploadWizard.jsx

@@ -28,6 +28,7 @@ import {
   getContentTypeValue,
   getProcessingTransparencyLabel,
 } from '../../lib/uploadUtils'
+import UploadReviewNotice from './UploadReviewNotice'
 import { validateMarkdownLiteContent } from '../../utils/contentValidation'
 
 // ─── Wizard step config ───────────────────────────────────────────────────────
@@ -55,6 +56,7 @@ function createInitialMetadata(initialGroupSlug = '', currentUserId = null, cont
     isMature: false,
     rightsAccepted: false,
     contentType: '',
+    additionalCategoryIds: [],
     group: normalizedGroupSlug,
     primaryAuthorUserId: defaultPrimaryAuthor,
     contributorUserIds: [],
@@ -116,6 +118,8 @@ export default function UploadWizard({
   contributorOptionsByGroup = {},
   initialGroupSlug = '',
   currentUserId = null,
+  maxSecondaryCategories = 5,
+  requiresUploadReview = false,
 }) {
   const [notices, setNotices] = useState([])
   // ── UI state ──────────────────────────────────────────────────────────────
@@ -589,9 +593,18 @@ export default function UploadWizard({
           filteredCategoryTree={filteredCategoryTree}
           allRootCategoryOptions={allRootCategoryOptions}
           requiresSubCategory={requiresSubCategory}
-          onContentTypeChange={(value) => setMeta({ contentType: value, rootCategoryId: '', subCategoryId: '' })}
-          onRootCategoryChange={(rootId) => setMeta({ rootCategoryId: rootId, subCategoryId: '' })}
-          onSubCategoryChange={(subId) => setMeta({ subCategoryId: subId })}
+          maxSecondaryCategories={maxSecondaryCategories}
+          onContentTypeChange={(value) => setMeta({ contentType: value, rootCategoryId: '', subCategoryId: '', additionalCategoryIds: [] })}
+          onRootCategoryChange={(rootId) => setMeta({
+            rootCategoryId: rootId,
+            subCategoryId: '',
+            additionalCategoryIds: (metadata.additionalCategoryIds || []).filter((id) => String(id) !== String(rootId)),
+          })}
+          onSubCategoryChange={(subId) => setMeta({
+            subCategoryId: subId,
+            additionalCategoryIds: (metadata.additionalCategoryIds || []).filter((id) => String(id) !== String(subId)),
+          })}
+          onAdditionalCategoriesChange={(ids) => setMeta({ additionalCategoryIds: ids })}
           groupOptions={groupOptions}
           currentContributorOptions={currentContributorOptions}
           onGroupChange={(groupSlug) => setMeta({ group: groupSlug })}
@@ -743,6 +756,8 @@ export default function UploadWizard({
         </div>
       )}
 
+      <UploadReviewNotice visible={requiresUploadReview} />
+
       {/* Restored draft banner */}
       {showRestoredBanner && (
         <div className="rounded-2xl border border-sky-300/20 bg-sky-500/10 px-4 py-3 text-sm text-sky-100 shadow-[0_14px_44px_rgba(14,165,233,0.10)]">