feat(admin): category SEO fields, Templates admin, safe project PATCH

- categories/tags admin forms: add meta title/description/keywords, bot-follow,
  sort, is_active (backend already supported these)
- new Templates admin (/admin/templates): container CRUD with description,
  keywords, publishing, premium, primary mode, category/tag assignment, plus
  editable per-variant aspect & resolution
- content-svc: PATCH /v1/projects/{id} partial update so aspect/resolution edits
  never wipe render/colour data (SharedColorsSvg, RenderAepComp, Folder)
- admin resource proxy: add PATCH passthrough

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/components/admin/admin-resources.tsx

@@ -50,9 +50,16 @@ export const categoriesConfig: ResourceConfig = {
   fields: [
     { key: "name", label: "Name", required: true },
     { key: "slug", label: "Slug", required: true },
-    { key: "description", label: "Description", type: "textarea" },
+    { key: "description", label: "Description / content", type: "textarea" },
     { key: "image_url", label: "Image URL" },
     { key: "icon", label: "Icon" },
+    // SEO
+    { key: "meta_title", label: "SEO · Meta title" },
+    { key: "meta_description", label: "SEO · Meta description", type: "textarea" },
+    { key: "meta_keywords", label: "SEO · Meta keywords (comma separated)" },
+    { key: "bot_follow", label: "Allow search engines to follow", type: "checkbox", defaultValue: true },
+    { key: "sort", label: "Sort order", type: "number", defaultValue: 0 },
+    { key: "is_active", label: "Active (visible on site)", type: "checkbox", defaultValue: true },
   ],
 };