fix(punishment): validate parseDuration result to prevent silent permanent bans

Author: Swofty-Developments

type.generic/src/main/java/net/swofty/type/generic/command/commands/BanCommand.java

@@ -64,8 +64,12 @@ public void registerUsage(MinestomCommand command) {
 
             CompletableFuture.runAsync(() -> {
                 try {
-                    UUID targetUuid = net.minestom.server.utils.mojang.MojangUtils.getUUID(playerName);
                     long actualTime = StringUtility.parseDuration(duration);
+                    if (actualTime <= 0) {
+                        player.sendMessage("§cInvalid duration format. Use e.g. 30d, 12h, 30m, 10s.");
+                        return;
+                    }
+                    UUID targetUuid = net.minestom.server.utils.mojang.MojangUtils.getUUID(playerName);
                     long expiryTime = System.currentTimeMillis() + actualTime;
                     banPlayer(player, targetUuid, type, player.getUuid(), actualTime, expiryTime, playerName, null);
                 } catch (IOException e) {

type.generic/src/main/java/net/swofty/type/generic/command/commands/MuteCommand.java

@@ -57,8 +57,12 @@ public void registerUsage(MinestomCommand command) {
 
             CompletableFuture.runAsync(() -> {
                 try {
-                    UUID targetUuid = net.minestom.server.utils.mojang.MojangUtils.getUUID(playerName);
                     long actualTime = StringUtility.parseDuration(duration);
+                    if (actualTime <= 0) {
+                        player.sendMessage("§cInvalid duration format. Use e.g. 30d, 12h, 30m, 10s.");
+                        return;
+                    }
+                    UUID targetUuid = net.minestom.server.utils.mojang.MojangUtils.getUUID(playerName);
                     long expiryTime = System.currentTimeMillis() + actualTime;
                     mutePlayer(player, targetUuid, type, player.getUuid(), actualTime, expiryTime, playerName);
                 } catch (IOException e) {