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/vite.config.ts

@@ -22,5 +22,20 @@ export default defineConfig({
   build: {
     outDir: 'dist',
     sourcemap: false,
+    rollupOptions: {
+      output: {
+        manualChunks(id) {
+          if (/node_modules[/\\](three|@react-three)/.test(id)) {
+            return 'three';
+          }
+          if (/node_modules[/\\]recharts/.test(id)) {
+            return 'recharts';
+          }
+          if (id.includes('node_modules')) {
+            return 'vendor';
+          }
+        },
+      },
+    },
   },
 })