chore: docker config, package.json and setup script updates

docker/Dockerfile

@@ -12,6 +12,9 @@ RUN npm ci
 # Copy source code
 COPY . .
 
+# Ensure public exists (Next.js may not have one; COPY in runner stage requires it)
+RUN mkdir -p public
+
 # Generate Prisma client
 RUN npx prisma generate
 

package.json

@@ -16,7 +16,7 @@
   },
   "dependencies": {
     "@prisma/client": "^5.10.0",
-    "@tanstack/react-query": "^5.24.0",
+    "@tanstack/react-query": "^4.36.0",
     "@trpc/client": "^10.45.0",
     "@trpc/next": "^10.45.0",
     "@trpc/react-query": "^10.45.0",