🔧 Update script metadata and add input validation for cheat sheet name

single-scripts/init-cheatsheet.ts

@@ -10,6 +10,10 @@ import {
 
 async function main(): Promise<void> {
     const name = prompt("Cheat sheet name:");
+    if (!name) {
+        log.error("Cheat sheet name is required");
+        return;
+    }
     const repo = prompt("Cheat sheet repo:");
     const desc = prompt("Cheat sheet description:");
 
@@ -46,5 +50,5 @@ main().catch((err) => {
     exit(1);
 }).then(() => exit(0));
 
-// @SCRIPT-SIGNATURE-V1: yk-r1.ES256.20260412T231322+08:00.MEYCIQD09vR5PjKTl9b+gQJQ
-// ycR0M7Okd9ygkuG5U8lP9HYvBAIhAKpaHWZmGiTK8rX/iQg95M5y5m3y1HvyCaGsB8EATdeQ
+// @SCRIPT-SIGNATURE-V1: yk-r1.ES256.20260412T231558+08:00.MEQCIDBfpbEIXFa3AlXQOTqj
+// FLDofpXRWVxbx0dIyukc6/ZeAiAze9BYBK1rOWa8TXDmW4Yb5NAFvbCBM6LTjOzqjZtztQ==