phase-8: add config-driven public website runtime route and dynamic layout

src/app/pages/public/platform-home.component.ts

@@ -0,0 +1,43 @@
+import { ChangeDetectionStrategy, Component, signal } from '@angular/core';
+import { DynamicPageLayoutComponent } from '../../layouts/containers/dynamic-page-layout.component';
+import { PageRenderModel } from '../../dynamic-renderer/page-renderer/page-renderer.model';
+import { WebsiteRuntimeFacade } from '../../facades/website/website-runtime.facade';
+
+@Component({
+  selector: 'app-platform-home',
+  standalone: true,
+  imports: [DynamicPageLayoutComponent],
+  template: `
+    @if (loading()) {
+      <section class="platform-loading">Loading platform page...</section>
+    } @else if (model()) {
+      <app-dynamic-page-layout [model]="model()" />
+    } @else {
+      <section class="platform-empty">No page configuration found.</section>
+    }
+  `,
+  styles: [
+    `
+      .platform-loading, .platform-empty { padding: 2rem; color: var(--text-secondary, #667a77); }
+    `
+  ],
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class PlatformHomeComponent {
+  readonly model = signal<PageRenderModel | null>(null);
+  readonly loading = signal(true);
+
+  constructor(private readonly websiteRuntime: WebsiteRuntimeFacade) {
+    this.websiteRuntime.initializeRuntime();
+    this.websiteRuntime.getPageRenderModel('home').subscribe({
+      next: (model) => {
+        this.model.set(model);
+        this.loading.set(false);
+      },
+      error: () => {
+        this.model.set(null);
+        this.loading.set(false);
+      }
+    });
+  }
+}