misc bugfixes

sdk/base/lib/index.ts

@@ -74,21 +74,38 @@ declare module 'zod' {
 }
 
 // Override z.object to produce loose objects by default (extra keys are preserved, not stripped).
-// Patches the source module in require.cache where 'object' is a writable property;
+const _origObject = _z.object
+const _patchedObject = (...args: Parameters<typeof _z.object>) =>
+  _origObject(...args).loose()
+
+// In CJS (Node.js), patch the source module in require.cache where 'object' is a writable property;
 // the CJS getter chain (index → external → schemas) then relays the patched version.
 // We walk only the zod entry module's dependency tree and match by identity (=== origObject).
-const _origObject = _z.object
-const _zodModule = require.cache[require.resolve('zod')]
-for (const child of _zodModule?.children ?? []) {
-  for (const grandchild of child.children ?? []) {
-    const desc = Object.getOwnPropertyDescriptor(grandchild.exports, 'object')
-    if (desc?.value === _origObject && desc.writable) {
-      grandchild.exports.object = (...args: Parameters<typeof _z.object>) =>
-        _origObject(...args).loose()
+try {
+  const _zodModule = require.cache[require.resolve('zod')]
+  for (const child of _zodModule?.children ?? []) {
+    for (const grandchild of child.children ?? []) {
+      const desc = Object.getOwnPropertyDescriptor(grandchild.exports, 'object')
+      if (desc?.value === _origObject && desc.writable) {
+        grandchild.exports.object = _patchedObject
+      }
     }
   }
+} catch (_) {
+  // Not in CJS/Node environment (e.g. browser) — require.cache unavailable
 }
 
-export { _z as z }
+// z.object is a non-configurable getter on the zod namespace, so we can't override it directly.
+// Shadow it by exporting a new object with _z as prototype and our patched object on the instance.
+const z: typeof _z = Object.create(_z, {
+  object: {
+    value: _patchedObject,
+    writable: true,
+    configurable: true,
+    enumerable: true,
+  },
+})
+
+export { z }
 
 export * as utils from './util'