npm install @ant-design/x-card

import {
  XCard,
  registerCatalog,
  loadCatalog,
  validateComponent,
  clearCatalogCache,
} from '@ant-design/x-card';
import type {
  XAgentCommand_v0_9,
  XAgentCommand_v0_8,
  ActionPayload,
  Catalog,
  CatalogComponent,
} from '@ant-design/x-card';

// Subcomponents
XCard.Box; // Container: receives commands, owns catalog maps
XCard.Card; // Renderer: renders a single surface by id

XCard.Box
├── owns: catalogMap, surfaceCatalogMap
├── dispatches: commands → all XCard.Card children
├── aggregates: onAction events from all Cards
└── XCard.Card (id="surface-a")
│   ├── owns: component tree, data model, commandVersion
│   └── resolves: data bindings, triggers actions
└── XCard.Card (id="surface-b")
    └── ...

interface BoxProps {
  commands?: (XAgentCommand_v0_9 | XAgentCommand_v0_8)[];
  /** Component names must start with an uppercase letter (React component convention) */
  components?: Record<string, React.ComponentType<any>>;
  onAction?: (payload: ActionPayload) => void;
  children?: React.ReactNode; // Should contain XCard.Card elements
}

interface CardProps {
  id: string; // surfaceId to render
}

interface ActionPayload {
  name: string; // from action.event.name
  surfaceId: string; // which surface triggered it
  /**
   * Context passed by component, with path references automatically resolved.
   *
   * For action.event.context fields using { path: "xxx" } format:
   * - X-Card automatically resolves them to { value: "actual_value" }
   * - Other properties (like label) are preserved
   *
   * Example input config:
   *   { username: { path: "/form/username", label: "用户名" } }
   *
   * Example resolved context:
   *   { username: { value: "张三", label: "用户名" } }
   */
  context: Record<string, any>;
}

import React, { useState } from 'react';
import { XCard, registerCatalog } from '@ant-design/x-card';
import type { XAgentCommand_v0_9, ActionPayload, Catalog } from '@ant-design/x-card';

// 1. Define and register local catalog
const myCatalog: Catalog = {
  catalogId: 'local://my_catalog.json',
  components: {
    Text: {
      type: 'object',
      properties: { text: { type: 'string' }, variant: { type: 'string' } },
      required: ['text'],
    },
    Button: {
      type: 'object',
      properties: { text: { type: 'string' }, action: {} },
      required: ['text'],
    },
  },
};
registerCatalog(myCatalog);

// 2. Custom component implementations
const Text: React.FC<{ text: string; variant?: string }> = ({ text, variant }) => (
  <p className={`text-${variant ?? 'body'}`}>{text}</p>
);

const Button: React.FC<{ text: string; onAction?: (ctx: any) => void; action?: any }> = ({
  text,
  onAction,
  action,
}) => <button onClick={() => onAction?.(action?.event?.context ?? {})}>{text}</button>;

// 3. Build commands (from agent stream)
const commands: XAgentCommand_v0_9[] = [
  {
    version: 'v0.9',
    createSurface: {
      surfaceId: 'welcome',
      catalogId: 'local://my_catalog.json',
    },
  },
  {
    version: 'v0.9',
    updateComponents: {
      surfaceId: 'welcome',
      components: [
        { id: 'root', component: 'Column', children: ['title', 'btn'] },
        { id: 'title', component: 'Text', text: { path: '/user/name' }, variant: 'h1' },
        {
          id: 'btn',
          component: 'Button',
          text: 'Start',
          action: { event: { name: 'start', context: {} } },
        },
      ],
    },
  },
  {
    version: 'v0.9',
    updateDataModel: {
      surfaceId: 'welcome',
      path: '/user/name',
      value: 'Alice',
    },
  },
];

// 4. Render
export default function App() {
  const [cmdQueue, setCmdQueue] = useState<XAgentCommand_v0_9[]>(commands);

  const handleAction = (payload: ActionPayload) => {
    console.log('Action:', payload.name, payload.context);
    // Append new commands based on agent response
    setCmdQueue((prev) => [...prev /* new commands */]);
  };

  return (
    <XCard.Box commands={cmdQueue} components={{ Text, Button }} onAction={handleAction}>
      <XCard.Card id="welcome" />
    </XCard.Box>
  );
}