Fix: Downgrade para Prisma 5.22.0

Prisma 7.4.0 tinha incompatibilidades com sintaxe datasource.
Prisma 5.22.0 é estável e suporta:
- url = env("DATABASE_URL") no datasource
- multiSchema preview feature
- schemas = ["staging"]

Testado: prisma generate OK

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

package.json

@@ -10,7 +10,7 @@
   },
   "dependencies": {
     "@hookform/resolvers": "^5.2.2",
-    "@prisma/client": "^7.4.0",
+    "@prisma/client": "5.22.0",
     "@radix-ui/react-dialog": "^1.1.15",
     "@radix-ui/react-dropdown-menu": "^2.1.16",
     "@radix-ui/react-select": "^2.2.6",
@@ -35,7 +35,7 @@
     "@types/react-dom": "^19",
     "eslint": "^9",
     "eslint-config-next": "16.1.6",
-    "prisma": "^7.4.0",
+    "prisma": "5.22.0",
     "tailwindcss": "^4",
     "typescript": "^5"
   }