feat(spa): scaffold Angular app shell with host/player routes

frontend/angular/.gitignore

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+node_modules/
+dist/
+.angular/

frontend/angular/angular.json

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+{
+  "$schema": "./node_modules/@angular/cli/lib/config/schema.json",
+  "version": 1,
+  "projects": {
+    "wpp-angular-shell": {
+      "projectType": "application",
+      "root": "",
+      "sourceRoot": "src",
+      "prefix": "app",
+      "architect": {
+        "build": {
+          "builder": "@angular/build:application",
+          "options": {
+            "outputPath": "dist/wpp-angular-shell",
+            "index": "src/index.html",
+            "browser": "src/main.ts",
+            "polyfills": ["zone.js"],
+            "tsConfig": "tsconfig.app.json",
+            "assets": [],
+            "styles": ["src/styles.css"],
+            "outputHashing": "none"
+          }
+        },
+        "serve": {
+          "builder": "@angular/build:dev-server",
+          "options": {
+            "buildTarget": "wpp-angular-shell:build"
+          }
+        }
+      }
+    }
+  },
+  "cli": {
+    "analytics": false
+  }
+}

frontend/angular/package.json

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+{
+  "name": "wpp-angular-shell",
+  "version": "0.0.0",
+  "private": true,
+  "scripts": {
+    "start": "ng serve",
+    "build": "ng build"
+  },
+  "dependencies": {
+    "@angular/common": "^19.2.0",
+    "@angular/compiler": "^19.2.0",
+    "@angular/core": "^19.2.0",
+    "@angular/platform-browser": "^19.2.0",
+    "@angular/router": "^19.2.0",
+    "rxjs": "~7.8.0",
+    "tslib": "^2.3.0",
+    "zone.js": "~0.15.0"
+  },
+  "devDependencies": {
+    "@angular/build": "^19.2.0",
+    "@angular/cli": "^19.2.0",
+    "@angular/compiler-cli": "^19.2.0",
+    "typescript": "~5.7.2"
+  }
+}

frontend/angular/src/app/app.component.css

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+.shell { font-family: Arial, sans-serif; margin: 1rem; }
+.shell__header { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid #ddd; padding-bottom: 0.75rem; }
+.shell__header nav { display: flex; gap: 0.75rem; }
+.shell__content { margin-top: 1rem; }

frontend/angular/src/app/app.component.html

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+<main class="shell">
+  <header class="shell__header">
+    <h1>WPP Angular Shell</h1>
+    <nav>
+      <a routerLink="/host">Host</a>
+      <a routerLink="/player">Player</a>
+    </nav>
+  </header>
+
+  <section class="shell__content">
+    <router-outlet></router-outlet>
+  </section>
+</main>

frontend/angular/src/app/app.component.ts

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+import { Component, inject } from '@angular/core';
+import { Router, RouterLink, RouterOutlet } from '@angular/router';
+
+@Component({
+  selector: 'app-root',
+  standalone: true,
+  imports: [RouterOutlet, RouterLink],
+  templateUrl: './app.component.html',
+  styleUrl: './app.component.css',
+})
+export class AppComponent {
+  private readonly router = inject(Router);
+
+  constructor() {
+    const shellRoute = document.body.dataset['wppShellRoute'];
+    if (shellRoute === '/host' || shellRoute === '/player') {
+      void this.router.navigateByUrl(shellRoute);
+    }
+  }
+}

frontend/angular/src/app/app.config.ts

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+import { ApplicationConfig } from '@angular/core';
+import { provideRouter, withHashLocation } from '@angular/router';
+import { routes } from './app.routes';
+
+export const appConfig: ApplicationConfig = {
+  providers: [provideRouter(routes, withHashLocation())],
+};

frontend/angular/src/app/app.routes.ts

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+import { Routes } from '@angular/router';
+
+export const routes: Routes = [
+  {
+    path: 'host',
+    loadComponent: () => import('./features/host/host-shell.component').then((m) => m.HostShellComponent),
+  },
+  {
+    path: 'player',
+    loadComponent: () => import('./features/player/player-shell.component').then((m) => m.PlayerShellComponent),
+  },
+  { path: '', pathMatch: 'full', redirectTo: 'player' },
+  { path: '**', redirectTo: 'player' },
+];

frontend/angular/src/app/features/host/host-shell.component.ts

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+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'app-host-shell',
+  standalone: true,
+  template: `
+    <h2>Host route placeholder</h2>
+    <p>Host flow flyttes hertil i kommende SPA-issues.</p>
+  `,
+})
+export class HostShellComponent {}

frontend/angular/src/app/features/player/player-shell.component.ts

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+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'app-player-shell',
+  standalone: true,
+  template: `
+    <h2>Player route placeholder</h2>
+    <p>Player flow flyttes hertil i kommende SPA-issues.</p>
+  `,
+})
+export class PlayerShellComponent {}

frontend/angular/src/index.html

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+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <title>WPP Angular Shell</title>
+    <base href="/" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+  </head>
+  <body>
+    <app-root></app-root>
+  </body>
+</html>

frontend/angular/src/main.ts

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+import { bootstrapApplication } from '@angular/platform-browser';
+import { AppComponent } from './app/app.component';
+import { appConfig } from './app/app.config';
+
+bootstrapApplication(AppComponent, appConfig).catch((error) => {
+  console.error(error);
+});

frontend/angular/src/styles.css

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+html, body {
+  margin: 0;
+  padding: 0;
+}

frontend/angular/tsconfig.app.json

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+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "outDir": "./out-tsc/app",
+    "types": []
+  },
+  "files": ["src/main.ts"],
+  "include": ["src/**/*.d.ts"]
+}

frontend/angular/tsconfig.json

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+{
+  "compileOnSave": false,
+  "compilerOptions": {
+    "strict": true,
+    "skipLibCheck": true,
+    "isolatedModules": true,
+    "esModuleInterop": true,
+    "sourceMap": true,
+    "declaration": false,
+    "experimentalDecorators": true,
+    "moduleResolution": "bundler",
+    "importHelpers": true,
+    "target": "ES2022",
+    "module": "ES2022",
+    "lib": ["ES2022", "dom"]
+  },
+  "angularCompilerOptions": {
+    "strictInjectionParameters": true,
+    "strictInputAccessModifiers": true,
+    "strictTemplates": true
+  }
+}