fix: update in angular 19

may affect any previous version

src/core.ts

@@ -4,6 +4,7 @@ import { createCustomElement } from '@angular/elements';
 
 import { NgElement, NodeProps, Position, RenderSignal } from './types'
 import { RenderPreset } from './presets/types';
+import { reflect } from './reflect';
 
 type Item = { key: string, ngElement: NgElement }
 
@@ -39,9 +40,8 @@ function getRenderer(): Renderer {
     },
     update({ ngElement }, props) {
       Object.keys(props).forEach(key => {
-        ngElement.ngElementStrategy.setInputValue(key, props[key])
+        ngElement.ngElementStrategy.setInputValue(key, reflect(props[key]))
       })
-      ngElement.ngElementStrategy.setInputValue('seed', Math.random())
     },
     unmount(element) {
       const existing = elements.get(element)

src/reflect.ts

@@ -0,0 +1,18 @@
+export function reflect(obj: unknown) {
+  if (typeof obj !== 'object' || obj === null) {
+    return obj;
+  }
+
+  return new Proxy(obj, {
+    get(target, prop) {
+      return target[prop];
+    },
+    set(target, prop, value) {
+      target[prop] = value;
+      return true;
+    },
+    has: (target, prop) => prop in target,
+    deleteProperty: (target, prop) => delete target[prop],
+    ownKeys: target => Reflect.ownKeys(target)
+  });
+}