feat(admin): add MindSpace SEO/GEO controls and template catalog page

Expose SEO/GEO switches on the MindSpace config form and add template catalog management UI wired to shared Memind modules.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/index.css

@@ -2740,3 +2740,60 @@ body,
   display: flex;
   gap: 6px;
 }
+
+.template-catalog-table .admin-inline-input,
+.template-catalog-table .admin-inline-textarea,
+.template-catalog-table select {
+  width: 100%;
+  min-width: 108px;
+  padding: 8px 10px;
+  border-radius: var(--radius-md);
+  border: 1px solid var(--color-border-input);
+  background: var(--color-bg-base);
+  color: var(--color-text-primary);
+  font: inherit;
+}
+
+.template-catalog-table .admin-inline-input-narrow {
+  min-width: 72px;
+  max-width: 96px;
+}
+
+.template-catalog-table .admin-inline-textarea {
+  min-height: 72px;
+  resize: vertical;
+}
+
+.template-catalog-thumb {
+  width: 96px;
+  height: 54px;
+  object-fit: cover;
+  border-radius: var(--radius-md);
+  border: 1px solid var(--color-border-input);
+  display: block;
+}
+
+.template-catalog-thumb-fallback {
+  background: linear-gradient(135deg, #0a1628, #2f6f57);
+}
+
+.admin-inline-link {
+  display: inline-block;
+  margin-top: 6px;
+  font-size: 12px;
+}
+
+.template-grant-list {
+  display: grid;
+  gap: 10px;
+}
+
+.template-grant-row {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 12px;
+  padding: 10px 12px;
+  border: 1px solid var(--color-border-input);
+  border-radius: var(--radius-md);
+}