Use venv hermes path in Space entrypoint

Start gateway and dashboard with /opt/hermes/.venv/bin/hermes so login shells do not lose PATH activation.

docker/entrypoint.sh

@@ -70,8 +70,9 @@ if [ $# -eq 0 ] && [ -n "${SPACE_ID:-}${SPACE_HOST:-}" ]; then
         SHELL_EXEC="/bin/sh"
     fi
 
-    GATEWAY_CMD="hermes gateway run"
-    DASHBOARD_CMD="$(python3 "$RUNTIME_HELPER" command "$@")"
+    HERMES_BIN="$INSTALL_DIR/.venv/bin/hermes"
+    GATEWAY_CMD="$HERMES_BIN gateway run"
+    DASHBOARD_CMD="$HERMES_BIN dashboard --host 0.0.0.0 --port 7860 --no-open"
 
     $SHELL_EXEC -lc "$GATEWAY_CMD" &
     exec $SHELL_EXEC -lc "$DASHBOARD_CMD"