feat(18-05): add public profile page and setup visibility toggle

- Create public profile page at /users/$userId with avatar, name, bio, setups
- Create PublicSetupCard component for profile page setup listing
- Add isPublic toggle button on setup detail page
- Add Public badge to SetupCard in list view
- Update useSetups hook with isPublic field on interfaces

src/client/hooks/useSetups.ts

@@ -11,6 +11,7 @@ import {
 interface SetupListItem {
 	id: number;
 	name: string;
+	isPublic: boolean;
 	createdAt: string;
 	updatedAt: string;
 	itemCount: number;
@@ -38,6 +39,7 @@ interface SetupItemWithCategory {
 interface SetupWithItems {
 	id: number;
 	name: string;
+	isPublic: boolean;
 	createdAt: string;
 	updatedAt: string;
 	items: SetupItemWithCategory[];
@@ -76,7 +78,7 @@ export function useCreateSetup() {
 export function useUpdateSetup(setupId: number) {
 	const queryClient = useQueryClient();
 	return useMutation({
-		mutationFn: (data: { name?: string }) =>
+		mutationFn: (data: { name?: string; isPublic?: boolean }) =>
 			apiPut<SetupListItem>(`/api/setups/${setupId}`, data),
 		onSuccess: () => {
 			queryClient.invalidateQueries({ queryKey: ["setups"] });