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/deploy/priority_unix.go

@@ -0,0 +1,24 @@
+//go:build !windows
+
+package deploy
+
+import (
+	"syscall"
+)
+
+func SetProcessPriority(priority string) error {
+	nice := 5
+	switch priority {
+	case "idle":
+		nice = 19
+	case "below_normal":
+		nice = 10
+	case "normal":
+		nice = 5
+	case "above_normal":
+		nice = 0
+	case "high":
+		nice = -5
+	}
+	return syscall.Setpriority(syscall.PRIO_PROCESS, 0, nice)
+}