Add @types/node-cron to fix TypeScript build

node-cron v3 does not ship its own type declarations.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

server/package-lock.json

@@ -24,6 +24,7 @@
         "@types/express": "^4.17.21",
         "@types/jsonwebtoken": "^9.0.7",
         "@types/node": "^22.10.0",
+        "@types/node-cron": "^3.0.11",
         "prisma": "^5.22.0",
         "tsx": "^4.19.2",
         "typescript": "^5.7.2"
@@ -645,6 +646,13 @@
         "undici-types": "~6.21.0"
       }
     },
+    "node_modules/@types/node-cron": {
+      "version": "3.0.11",
+      "resolved": "https://registry.npmjs.org/@types/node-cron/-/node-cron-3.0.11.tgz",
+      "integrity": "sha512-0ikrnug3/IyneSHqCBeslAhlK2aBfYek1fGo4bP4QnZPmiqSGRK+Oy7ZMisLWkesffJvQ1cqAcBnJC+8+nxIAg==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/@types/qs": {
       "version": "6.15.0",
       "resolved": "https://registry.npmjs.org/@types/qs/-/qs-6.15.0.tgz",

server/package.json

@@ -28,6 +28,7 @@
     "@types/express": "^4.17.21",
     "@types/jsonwebtoken": "^9.0.7",
     "@types/node": "^22.10.0",
+    "@types/node-cron": "^3.0.11",
     "prisma": "^5.22.0",
     "tsx": "^4.19.2",
     "typescript": "^5.7.2"