chore: update angular quickstart to Angular 21 and use signals + zoneless mount handler

angular/my-awesome-app/.gitignore

@@ -36,6 +36,7 @@ yarn-error.log
 /libpeerconnection.log
 testem.log
 /typings
+__screenshots__/
 
 # System files
 .DS_Store

angular/my-awesome-app/README.md

@@ -1,6 +1,6 @@
 # MyAwesomeApp
 
-This project was generated using [Angular CLI](https://github.com/angular/angular-cli) version 19.0.1.
+This project was generated using [Angular CLI](https://github.com/angular/angular-cli) version 21.0.0.
 
 ## Development server
 

angular/my-awesome-app/angular.json

@@ -1,6 +1,9 @@
 {
   "$schema": "./node_modules/@angular/cli/lib/config/schema.json",
   "version": 1,
+  "cli": {
+    "packageManager": "npm"
+  },
   "newProjectRoot": "projects",
   "projects": {
     "my-awesome-app": {
@@ -11,14 +14,9 @@
       "prefix": "app",
       "architect": {
         "build": {
-          "builder": "@angular-devkit/build-angular:application",
+          "builder": "@angular/build:application",
           "options": {
-            "outputPath": "dist/my-awesome-app",
-            "index": "src/index.html",
             "browser": "src/main.ts",
-            "polyfills": [
-              "zone.js"
-            ],
             "tsConfig": "tsconfig.app.json",
             "assets": [
               {
@@ -28,8 +26,7 @@
             ],
             "styles": [
               "src/styles.css"
-            ],
-            "scripts": []
+            ]
           },
           "configurations": {
             "production": {
@@ -56,7 +53,7 @@
           "defaultConfiguration": "production"
         },
         "serve": {
-          "builder": "@angular-devkit/build-angular:dev-server",
+          "builder": "@angular/build:dev-server",
           "configurations": {
             "production": {
               "buildTarget": "my-awesome-app:build:production"
@@ -67,33 +64,10 @@
           },
           "defaultConfiguration": "development"
         },
-        "extract-i18n": {
-          "builder": "@angular-devkit/build-angular:extract-i18n"
-        },
         "test": {
-          "builder": "@angular-devkit/build-angular:karma",
-          "options": {
-            "polyfills": [
-              "zone.js",
-              "zone.js/testing"
-            ],
-            "tsConfig": "tsconfig.spec.json",
-            "assets": [
-              {
-                "glob": "**/*",
-                "input": "public"
-              }
-            ],
-            "styles": [
-              "src/styles.css"
-            ],
-            "scripts": []
-          }
+          "builder": "@angular/build:unit-test"
         }
       }
     }
-  },
-  "cli": {
-    "analytics": false
   }
 }

angular/my-awesome-app/cypress/support/component.ts

@@ -19,7 +19,7 @@ import './commands'
 // Alternatively you can use CommonJS syntax:
 // require('./commands')
 
-import { mount } from 'cypress/angular'
+import { mount } from 'cypress/angular-zoneless'
 
 // Augment the Cypress namespace to include type definitions for
 // your custom command.