fix: move run-multi-gateways.sh into ai/hermes/ and bake into image

ai/compose.yml

@@ -32,7 +32,7 @@ services:
         - default
     container_name: hermes
     entrypoint: ["/bin/bash", "-c",
-      "bash /opt/data/hermes-tools/install.sh && bash /opt/data/hermes-tools/run-multi-gateways.sh && exec /usr/bin/tini -g -- /opt/hermes/docker/entrypoint.sh \"$@\"",
+      "bash /opt/data/hermes-tools/install.sh && bash /usr/local/bin/run-multi-gateways.sh && exec /usr/bin/tini -g -- /opt/hermes/docker/entrypoint.sh \"$@\"",
       "hermes-entrypoint"]
     restart: always
     # Gateway run enables the internal API server on port 8642

ai/hermes/Dockerfile

@@ -76,6 +76,10 @@ os.remove(tgz)
 print('himalaya v1.2.0 installed')
 PYEOF
 
+# ---------- Install multi-gateway launcher ----------
+# Launches one gateway process per profile (HERMES_PROFILES env var)
+COPY --chmod=0755 run-multi-gateways.sh /usr/local/bin/run-multi-gateways.sh
+
 # ---------- Runtime ----------
 USER hermes
 ENV HERMES_HOME=/opt/data