Index: node_modules/es-toolkit/dist/predicate/isPlainObject.js
===================================================================
--- node_modules/es-toolkit/dist/predicate/isPlainObject.js	(revision a762898ecd37a452c782821d4c2c4955c6ed2521)
+++ node_modules/es-toolkit/dist/predicate/isPlainObject.js	(revision a762898ecd37a452c782821d4c2c4955c6ed2521)
@@ -0,0 +1,19 @@
+'use strict';
+
+Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
+
+function isPlainObject(value) {
+    if (!value || typeof value !== 'object') {
+        return false;
+    }
+    const proto = Object.getPrototypeOf(value);
+    const hasObjectPrototype = proto === null ||
+        proto === Object.prototype ||
+        Object.getPrototypeOf(proto) === null;
+    if (!hasObjectPrototype) {
+        return false;
+    }
+    return Object.prototype.toString.call(value) === '[object Object]';
+}
+
+exports.isPlainObject = isPlainObject;