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/routerFuture.ts

@@ -0,0 +1,4 @@
+export const routerFuture = {
+  v7_startTransition: true,
+  v7_relativeSplatPath: true,
+} as const;