Add open-webui dropshell template for AI chat interface

open-webui/uninstall.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+source "${AGENT_PATH}/common.sh"
+_check_required_env_vars "CONTAINER_NAME"
+
+bash ./stop.sh || _die "Failed to stop container"
+_remove_container "$CONTAINER_NAME" || _die "Failed to remove container"
+
+# DO NOT remove volumes here! Data is preserved for reinstallation.
+echo "Uninstallation of ${CONTAINER_NAME} complete"
+echo "Note: Data volumes have been preserved. To remove all data, use destroy.sh"