feat(20-01): extend UIStore with FAB/catalog state, add useTags hook, update useGlobalItems

- Add fabMenuOpen, openFabMenu, closeFabMenu to UIStore
- Add catalogSearchOpen, catalogSearchMode, openCatalogSearch, closeCatalogSearch
- openCatalogSearch also closes FAB menu (natural flow)
- Create useTags hook with 5-min staleTime cache
- Add optional tags parameter to useGlobalItems for tag filtering

tests/services/tag.service.test.ts

@@ -17,11 +17,13 @@ describe("Tag Service", () => {
 	});
 
 	it("returns all tags as { id, name } ordered alphabetically", async () => {
-		await db.insert(tags).values([
-			{ name: "bikepacking" },
-			{ name: "ultralight" },
-			{ name: "accessories" },
-		]);
+		await db
+			.insert(tags)
+			.values([
+				{ name: "bikepacking" },
+				{ name: "ultralight" },
+				{ name: "accessories" },
+			]);
 
 		const result = await getAllTags(db);
 		expect(result).toHaveLength(3);