Seed: Angular workspace (web/) for frontend tasks

ng new defaults, Angular 22.1, vitest unit-test builder — npm test runs
once and green under CI.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

web/tsconfig.spec.json

@@ -0,0 +1,14 @@
+/* To learn more about Typescript configuration file: https://www.typescriptlang.org/docs/handbook/tsconfig-json.html. */
+/* To learn more about Angular compiler options: https://angular.dev/reference/configs/angular-compiler-options. */
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "types": [
+      "vitest/globals"
+    ]
+  },
+  "include": [
+    "src/**/*.d.ts",
+    "src/**/*.spec.ts"
+  ]
+}