fix: restore auth fixes — next-auth prisma adapter, serverExternalPackages, prisma db push on start

Made-with: Cursor

package.json

@@ -20,7 +20,8 @@
   },
   "dependencies": {
     "@auth/core": "^0.34.3",
-    "@auth/prisma-adapter": "^2.11.1",
+    "@next-auth/prisma-adapter": "^1.0.7",
+    "@prisma/client": "^5.22.0",
     "@google-cloud/vertexai": "^1.10.0",
     "@google/genai": "^1.30.0",
     "@google/generative-ai": "^0.24.1",
@@ -57,7 +58,6 @@
     "zod": "^3.23.8"
   },
   "devDependencies": {
-    "@prisma/client": "^5.22.0",
     "@tailwindcss/postcss": "^4",
     "@types/node": "^20",
     "@types/react": "^19",