Switched to original server implementation & included server shim

V3.1/build/hub-shim/systemd/jibo-hub-shim.env.example

@@ -0,0 +1,3 @@
+# Config file path passed to the shim.
+# Copy to: /etc/jibo-hub-shim/jibo-hub-shim.env
+JIBO_HUB_SHIM_CONFIG=/etc/jibo-hub-shim/config.json

V3.1/build/hub-shim/systemd/jibo-hub-shim.service

@@ -0,0 +1,21 @@
+[Unit]
+Description=Jibo Hub Shim (v1/listen)
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+Type=simple
+WorkingDirectory=/opt/jibo-hub-shim
+EnvironmentFile=-/etc/jibo-hub-shim/jibo-hub-shim.env
+ExecStart=/usr/bin/env node /opt/jibo-hub-shim/index.js ${JIBO_HUB_SHIM_CONFIG}
+Restart=always
+RestartSec=2
+
+# Hardening (keep minimal; shim needs network only)
+NoNewPrivileges=true
+PrivateTmp=true
+ProtectSystem=full
+ProtectHome=true
+
+[Install]
+WantedBy=multi-user.target