Halt and unload the service on cleanup

pkg/aur/remoteterm-meshcore.install

@@ -27,3 +27,18 @@ post_upgrade() {
     fi
   fi
 }
+
+pre_remove() {
+  if command -v systemctl &>/dev/null && systemctl --version &>/dev/null 2>&1; then
+    systemctl disable --now remoteterm-meshcore 2>/dev/null || true
+  fi
+}
+
+post_remove() {
+  if command -v systemctl &>/dev/null && systemctl --version &>/dev/null 2>&1; then
+    systemctl daemon-reload
+  fi
+
+  echo "==> Database and config remain in /var/lib/remoteterm-meshcore/, remoteterm user retained."
+  echo "==> To fully clean up: sudo rm -rf /var/lib/remoteterm-meshcore"
+}