Use APP_DATA_DIR directly for runtime mount

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps/rego-tunnel/docker-compose.json

@@ -42,7 +42,7 @@
           "readOnly": false
         },
         {
-          "hostPath": "${APP_DATA_DIR}/runtime",
+          "hostPath": "${APP_DATA_DIR}",
           "containerPath": "/runtime",
           "readOnly": false
         },

apps/rego-tunnel/docker-compose.yml

@@ -19,7 +19,7 @@ services:
       - ${APP_PORT}:6080
     volumes:
       - ${APP_DATA_DIR}/config:/config
-      - ${APP_DATA_DIR}/runtime:/runtime
+      - ${APP_DATA_DIR}:/runtime
       - /etc/runtipi/repos/runtipi/apps/rego-tunnel/shared:/shared
       - /sys/fs/cgroup:/sys/fs/cgroup:rw
       - /etc/runtipi/repos/runtipi/apps/rego-tunnel/shared/xstartup:/root/.vnc/xstartup:ro