Fix receipt hash script idempotency

package-lock.json

@@ -1,14 +1,16 @@
 {
   "name": "vm-cloud",
-  "version": "0.0.1",
+  "version": "0.2.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "vm-cloud",
-      "version": "0.0.1",
+      "version": "0.2.0",
       "dependencies": {
         "@modelcontextprotocol/sdk": "^1.0.0",
+        "@noble/ed25519": "^2.1.0",
+        "@noble/hashes": "^1.4.0",
         "commander": "^12.0.0",
         "dotenv": "^16.0.0"
       },
@@ -514,6 +516,27 @@
         }
       }
     },
+    "node_modules/@noble/ed25519": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/@noble/ed25519/-/ed25519-2.3.0.tgz",
+      "integrity": "sha512-M7dvXL2B92/M7dw9+gzuydL8qn/jiqNHaoR3Q+cb1q1GHV7uwE17WCyFMG+Y+TZb5izcaXk5TdJRrDUxHXL78A==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://paulmillr.com/funding/"
+      }
+    },
+    "node_modules/@noble/hashes": {
+      "version": "1.8.0",
+      "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.8.0.tgz",
+      "integrity": "sha512-jCs9ldd7NwzpgXDIf6P3+NrHh9/sD6CQdxHyjQI+h/6rDNo88ypBxxz45UDuZHz9r3tNz7N/VInSVoVdtXEI4A==",
+      "license": "MIT",
+      "engines": {
+        "node": "^14.21.3 || >=16"
+      },
+      "funding": {
+        "url": "https://paulmillr.com/funding/"
+      }
+    },
     "node_modules/@types/node": {
       "version": "20.19.27",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-20.19.27.tgz",