feat: Build Manager, Crucible ops deck, branding, and portable Cloudflare tunnel

Add Build Manager with pin-to-dropper, Crucible multi-node terminal with SSH probe/wake, Command Deck chart balance and pretty stats, AetherForge logo and sacred geometry UI, Field Guide refresh, and LAUNCH.bat Cloudflare MSI + token service install flow.

server/web/src/context/WebSocketProvider.tsx

@@ -114,6 +114,7 @@ export function WebSocketProvider({ children }: { children: React.ReactNode }) {
                           (update.shares_accepted ?? a.shares_good)
                       ),
                       status: 'online' as const,
+                      ...(update.ssh_available !== undefined ? { ssh_available: update.ssh_available } : {}),
                     }
                   : a
               )