fix(rathole): enforce server-only mode; expose 2333; update docs

CloudronPackages/Rathole/start.sh

@@ -5,7 +5,6 @@ log() { echo "[rathole] $(date -Is) $*"; }
 abort() { echo "[rathole] ERROR: $*" >&2; exit 1; }
 
 : "${APP_PORT:=3000}"
-: "${RATHOLE_MODE:=server}"  # server|client
 : "${RATHOLE_CONFIG_PATH:=/app/data/rathole.toml}"
 
 # Ensure data dir exists
@@ -38,6 +37,5 @@ python3 -m http.server "$APP_PORT" --bind 0.0.0.0 >/dev/null 2>&1 &
 HEALTH_PID=$!
 log "Started health endpoint on :${APP_PORT} (pid ${HEALTH_PID})"
 
-log "Launching rathole in ${RATHOLE_MODE} mode with config ${RATHOLE_CONFIG_PATH}"
-exec /app/pkg/rathole "$RATHOLE_MODE" -c "$RATHOLE_CONFIG_PATH"
-
+log "Launching rathole in server mode with config ${RATHOLE_CONFIG_PATH}"
+exec /app/pkg/rathole server -c "$RATHOLE_CONFIG_PATH"