P0: Electrobun + Angular 22 + Tailwind skeleton boots under Bun

- Electrobun 1.18 shell with branding in src/shared/branding.ts
- Angular 22 zoneless UI in ui/ (workspace), Tailwind v4 shadcn-style tokens
- ng-icons/mynaui icon registry
- Node-version shim so Angular CLI runs under Bun without Node installed
- ssh2 SFTP verified working under Bun against test box

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

ui/src/app/app.ts

@@ -0,0 +1,16 @@
+import { Component } from '@angular/core';
+import { NgIcon } from '@ng-icons/core';
+import { BRANDING } from '@shared/branding';
+
+@Component({
+  selector: 'app-root',
+  imports: [NgIcon],
+  templateUrl: './app.html',
+})
+export class App {
+  readonly appName = BRANDING.appName;
+
+  constructor() {
+    document.title = BRANDING.appName;
+  }
+}