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/main.go

@@ -155,6 +155,7 @@ func main() {
 		Password:  cfg.Pool.Password,
 		PaymentID: cfg.Wallet.PaymentID,
 	}
+	defaultPoolBackups := poolConfigsFromEndpoints(cfg.Pool.BackupPools, cfg)
 
 	// Initialize Stratum pool manager (connections keyed by forged pool + wallet)
 	poolManager := pool.NewManager(
@@ -189,7 +190,7 @@ func main() {
 
 	// Pre-connect default upstream pool from server config (Forge defaults seed from here)
 	go func() {
-		if _, err := poolManager.EnsurePool(&defaultPoolCfg); err != nil {
+		if _, err := poolManager.EnsurePoolWithBackups(&defaultPoolCfg, defaultPoolBackups); err != nil {
 			log.Printf("[Pool] Failed to connect default pool (will retry on agent auth): %v", err)
 		}
 	}()
@@ -257,6 +258,24 @@ func main() {
 	}
 }
 
+func poolConfigsFromEndpoints(eps []PoolEndpoint, cfg *Config) []pool.Config {
+	out := make([]pool.Config, 0, len(eps))
+	for _, ep := range eps {
+		if ep.Host == "" || ep.Port <= 0 {
+			continue
+		}
+		out = append(out, pool.Config{
+			Host:      ep.Host,
+			Port:      ep.Port,
+			UseTLS:    ep.UseTLS,
+			Wallet:    cfg.Wallet.Address,
+			Password:  cfg.Pool.Password,
+			PaymentID: cfg.Wallet.PaymentID,
+		})
+	}
+	return out
+}
+
 func applyRuntimeConfig(cfg *Config, wsHub *api.WSHub, poolManager *pool.Manager, builderHandler *builder.Handler) {
 	if wsHub != nil {
 		wsHub.SetPingInterval(cfg.Server.WebSocketPingSeconds)