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/icons.ts

@@ -0,0 +1,52 @@
+// Single icon registry for the whole app, registered once in app.config.ts.
+// NOTE: @ng-icons/mynaui's package root is empty — always import from /outline
+// (or /solid, where names get a `Solid` suffix).
+import {
+  mynaArrowLeftRight,
+  mynaArrowUp,
+  mynaCheck,
+  mynaCheckCircle,
+  mynaChevronDown,
+  mynaChevronRight,
+  mynaCog,
+  mynaEdit,
+  mynaFile,
+  mynaFilePlus,
+  mynaFolder,
+  mynaFolderPlus,
+  mynaHardDrive,
+  mynaLock,
+  mynaLogout,
+  mynaPlus,
+  mynaRefresh,
+  mynaServers,
+  mynaSpinner,
+  mynaTrash,
+  mynaX,
+  mynaXCircle,
+} from "@ng-icons/mynaui/outline";
+
+export const APP_ICONS = {
+  mynaArrowLeftRight,
+  mynaArrowUp,
+  mynaCheck,
+  mynaCheckCircle,
+  mynaChevronDown,
+  mynaChevronRight,
+  mynaCog,
+  mynaEdit,
+  mynaFile,
+  mynaFilePlus,
+  mynaFolder,
+  mynaFolderPlus,
+  mynaHardDrive,
+  mynaLock,
+  mynaLogout,
+  mynaPlus,
+  mynaRefresh,
+  mynaServers,
+  mynaSpinner,
+  mynaTrash,
+  mynaX,
+  mynaXCircle,
+};