refactor!: migrate class-validator to zod (#26597)

server/package.json

@@ -70,8 +70,6 @@
     "body-parser": "^2.2.0",
     "bullmq": "^5.51.0",
     "chokidar": "^4.0.3",
-    "class-transformer": "^0.5.1",
-    "class-validator": "^0.15.0",
     "compression": "^1.8.0",
     "cookie": "^1.0.2",
     "cookie-parser": "^1.4.7",
@@ -99,6 +97,7 @@
     "nestjs-kysely": "3.1.2",
     "nestjs-otel": "^7.0.0",
     "nodemailer": "^8.0.0",
+    "nestjs-zod": "^5.3.0",
     "openid-client": "^6.3.3",
     "pg": "^8.11.3",
     "pg-connection-string": "^2.9.1",
@@ -119,7 +118,8 @@
     "transformation-matrix": "^3.1.0",
     "ua-parser-js": "^2.0.0",
     "uuid": "^11.1.0",
-    "validator": "^13.12.0"
+    "validator": "^13.12.0",
+    "zod": "^4.3.6"
   },
   "devDependencies": {
     "@eslint/js": "^10.0.0",