Improve portable launch, forge persistence, and operator auth UX.

Persist build extra_files for Build Manager history, print dashboard login on every start, add libp2p for Mesh P2P forge, defer WebSocket until login, and split devrun.bat from LAUNCH.bat with USB deck auto-detection.

server/web/src/App.test.tsx

@@ -6,6 +6,7 @@ import { describe, expect, it, vi } from 'vitest';
 import { render, screen } from '@testing-library/react';
 import { MemoryRouter, Routes, Route, Navigate } from 'react-router-dom';
 import App, { PageFallback } from './App';
+import { routerFuture } from './routerFuture';
 
 vi.mock('./context/WebSocketProvider', () => ({
   WebSocketProvider: ({ children }: { children: ReactNode }) => <>{children}</>,
@@ -42,7 +43,7 @@ describe('App route config', () => {
   it('redirects / to dashboard and /builder to forge', () => {
     function RedirectProbe({ path }: { path: string }) {
       return (
-        <MemoryRouter initialEntries={[path]}>
+        <MemoryRouter initialEntries={[path]} future={routerFuture}>
           <Routes>
             <Route path="/" element={<Navigate to="/dashboard" replace />} />
             <Route path="/dashboard" element={<div>Dashboard Page</div>} />
@@ -61,7 +62,7 @@ describe('App route config', () => {
 
   it('renders crucible route via App shell', async () => {
     render(
-      <MemoryRouter initialEntries={['/crucible']}>
+      <MemoryRouter initialEntries={['/crucible']} future={routerFuture}>
         <App />
       </MemoryRouter>
     );