Fix Visual Manager empty categories: seed roots, harden tree API.

Seed root tabs from SSR, load the full tree without CLEAR_TREE races, coerce parent ids, and tolerate catalog_items page_id type mismatches so category pages actually appear.

Co-authored-by: Cursor <[email protected]>

src/components/admin/catalog-manager/use-catalog-store.tsx

@@ -142,12 +142,35 @@ function reducer(
 		case "SET_FULL_TREE": {
 			const nodes = new Map<number, TreeNodeData>();
 			const childrenMap = new Map<number, number[]>();
-			for (const n of action.nodes) {
-				nodes.set(n.id, n);
+			for (const raw of action.nodes) {
+				const id = Number(raw.id);
+				const parentId = Number(raw.parentId);
+				if (!Number.isFinite(id)) continue;
+				const n: TreeNodeData = {
+					...raw,
+					id,
+					parentId: Number.isFinite(parentId) ? parentId : -1,
+					enabled: String(raw.enabled ?? "0"),
+					visible: String(raw.visible ?? "0"),
+					childCount: Number(raw.childCount) || 0,
+					itemCount: Number(raw.itemCount) || 0,
+					iconImage: Number(raw.iconImage) || 0,
+					iconColor: Number(raw.iconColor) || 0,
+					orderNum: Number(raw.orderNum) || 0,
+				};
+				nodes.set(id, n);
 				const siblings = childrenMap.get(n.parentId) || [];
-				siblings.push(n.id);
+				siblings.push(id);
 				childrenMap.set(n.parentId, siblings);
 			}
+			// Roots may be parent_id -1 or 0 — mirror both keys so tabs resolve children.
+			const underNeg1 = childrenMap.get(-1) || [];
+			const under0 = childrenMap.get(0) || [];
+			if (underNeg1.length || under0.length) {
+				const merged = [...new Set([...underNeg1, ...under0])];
+				childrenMap.set(-1, merged);
+				childrenMap.set(0, merged);
+			}
 			for (const [parentId, ids] of childrenMap) {
 				ids.sort(
 					(a, b) =>