app/tests/playwright/helpers/galaxy.ts

import { Page } from '@playwright/test';

export class GalaxyHelper {
  constructor(private page: Page) {}

  async waitForGalaxyLoad() {
    // Wait for canvas to be visible
    await this.page.waitForSelector('canvas', { timeout: 10000 });
    
    // Give R3F time to render
    await this.page.waitForTimeout(2000);
  }

  async clickNode(nodeId: string) {
    // Simulate node click via JavaScript event
    await this.page.evaluate((id) => {
      const event = new CustomEvent('node-click', { detail: { nodeId: id } });
      window.dispatchEvent(event);
    }, nodeId);
  }

  async getNodeCount() {
    return await this.page.evaluate(() => {
      // Access window globals set by galaxy component
      return (window as any).__galaxyNodes?.length || 0;
    });
  }
}