fix: add production guard

Author: vicary

packages/gqty/src/Accessor/resolve.ts

@@ -225,7 +225,10 @@ const createObjectProxyHandler = (
     ownKeys(target) {
       // When activeEnumerators > 0 (e.g., selectFields helper), always
       // return all schema keys regardless of cache state.
-      if (context.activeEnumerators > 0) {
+      if (
+        process.env.NODE_ENV === 'production' ||
+        context.activeEnumerators > 0
+      ) {
         return Reflect.ownKeys(target).filter(
           (k) => typeof k === 'string'
         ) as string[];

packages/gqty/src/Helpers/getFields.ts

@@ -7,8 +7,11 @@ export function getFields<
 >(accessor: TAccesorData, ...keys: TAccesorKeys[]): TAccesorData {
   if (!isObject(accessor)) return accessor;
 
-  // Allow enumeration to see all schema fields, not just cached ones
-  const meta = $meta(accessor);
+  // Allow enumeration to see all schema fields, not just cached ones.
+  // Only needed in dev mode where we restrict ownKeys to prevent React 19's
+  // prop diffing from triggering selections.
+  const meta =
+    process.env.NODE_ENV !== 'production' ? $meta(accessor) : undefined;
   if (meta) {
     meta.context.activeEnumerators++;
   }

packages/gqty/src/Helpers/selectFields.ts

@@ -24,8 +24,11 @@ export function selectFields<A extends object | null | undefined>(
     return {} as A;
   }
 
-  // Allow enumeration to see all schema fields, not just cached ones
-  const meta = $meta(accessor);
+  // Allow enumeration to see all schema fields, not just cached ones.
+  // Only needed in dev mode where we restrict ownKeys to prevent React 19's
+  // prop diffing from triggering selections.
+  const meta =
+    process.env.NODE_ENV !== 'production' ? $meta(accessor) : undefined;
   if (meta) {
     meta.context.activeEnumerators++;
   }

packages/react/src/query/useQuery.ts

@@ -548,20 +548,25 @@ export const createUseQuery = <TSchema extends BaseGeneratedSchema>(
           : query;
 
       return new Proxy(target, {
-        // Only expose $refetch and $state in enumeration.
+        // Only expose $refetch and $state in enumeration in dev mode.
         // This prevents React 19 dev mode from enumerating all schema fields
         // during prop diffing, which would trigger unintended selections.
-        // Users who need to enumerate query fields should access the underlying
-        // accessor directly or use selectFields/getFields helpers.
-        ownKeys: () => ['$refetch', '$state'],
-
-        getOwnPropertyDescriptor: (target, key) => {
-          if (key === '$refetch' || key === '$state') {
-            return Reflect.getOwnPropertyDescriptor(target, key);
-          }
-          // Return undefined for schema keys - they're not "own" properties
-          return undefined;
-        },
+        // In production, return actual target keys (just $refetch and $state).
+        ownKeys:
+          process.env.NODE_ENV !== 'production'
+            ? () => ['$refetch', '$state']
+            : undefined,
+
+        getOwnPropertyDescriptor:
+          process.env.NODE_ENV !== 'production'
+            ? (target, key) => {
+                if (key === '$refetch' || key === '$state') {
+                  return Reflect.getOwnPropertyDescriptor(target, key);
+                }
+                // Return undefined for schema keys - they're not "own" properties
+                return undefined;
+              }
+            : undefined,
 
         has: (_, key) => {
           // $refetch and $state are always present