Add pool presets, operator bake-ins, and USB pack improvements

- Pool preset checkboxes with failover in Calibrate and Forge

- Tier 1/2 UX: setup banner, forge next worker, LAN defaults, blueprint prompt

- USB: auto-install forge tools, seed config.json, sync LAUNCH.bat

server/web/src/help/forgeValidation.ts

@@ -30,7 +30,7 @@ function isReachableServerUrl(url: string): boolean {
   }
 }
 
-function looksLikeXMRWallet(addr: string): boolean {
+export function looksLikeXMRWallet(addr: string): boolean {
   const a = addr.trim();
   // Standard (4…, 95 chars), subaddress (8…, 97 chars), integrated (4…, 106 chars)
   return a.length >= 90 && a.length <= 106 && /^[48][0-9A-Za-z]+$/.test(a);