fix(ark-suac): align ports, service naming, and permissions bootstrap

Apps/ark-suac/README.md

@@ -23,7 +23,7 @@ This app provides a dedicated server for ARK: Survival Ascended, allowing you to
 
 ### Volumes
 
-All volumes are mounted under `/DATA/AppData/ark-survival-ascended/`:
+All volumes are mounted under `/DATA/AppData/ark-suac/`:
 
 - `steam`: Steam runtime files
 - `steamcmd`: SteamCMD installation
@@ -46,6 +46,12 @@ All volumes are mounted under `/DATA/AppData/ark-survival-ascended/`:
 - No privileged mode required
 - No Docker socket access
 
+### Permission Bootstrap
+
+The compose includes a one-shot helper service `set-permissions` that runs as `root`
+before the game server starts. It only performs `chown` on app-specific bind mounts so
+the main `ark-asa-server` service can run as non-root `gameserver`.
+
 ### Data Persistence
 
 All game data, including server files, save games, and configuration, is persisted in the bound volumes. The container will automatically download and update server files on startup.
@@ -121,4 +127,4 @@ Set `ENABLE_DEBUG=1` to prevent server startup and investigate container issues.
 ## Support
 
 For issues specific to this ZimaOS integration, please contact the Zima Apps Team.
-For game server issues, refer to the upstream repository or ARK official support.
+For game server issues, refer to the upstream repository or ARK official support.