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>

scripts/node-version-shim.ts

@@ -0,0 +1,11 @@
+// Bun reports a Node-compat version (e.g. 24.3.0) older than what the Angular CLI's
+// engine check demands, which makes every `ng` command exit before doing anything.
+// Preloaded via bunfig.toml so ng runs under Bun without a real Node install.
+const REPORTED_NODE_VERSION = "24.15.0";
+
+if (Bun.semver.order(process.versions.node, REPORTED_NODE_VERSION) < 0) {
+  Object.defineProperty(process.versions, "node", {
+    value: REPORTED_NODE_VERSION,
+    configurable: true,
+  });
+}