feat : Con more reaible

lib/catalog/version.ts

@@ -1,6 +1,7 @@
 import * as z from "zod";
 
 export const lunarisVersionSchema = z.string().regex(/^\d+(?:\.\d+)+$/u);
+export const catalogFormatVersion = 2;
 
 export interface LunarisVersionChange {
   previousVersion: string;
@@ -31,3 +32,15 @@ export function compareLunarisVersions(left: string, right: string): number {
   }
   return 0;
 }
+
+export function catalogSnapshotIsCurrent(
+  requestedVersion: string,
+  currentVersion: string | null,
+  currentFormatVersion: number | null,
+): boolean {
+  return Boolean(
+    currentVersion &&
+    compareLunarisVersions(requestedVersion, currentVersion) <= 0 &&
+    currentFormatVersion === catalogFormatVersion
+  );
+}