refactor: remove backup path display from OpenClaw save toasts

Backup paths are internal implementation details not actionable by users.
Simplify toast notifications to show only success/failure messages.

src/components/openclaw/AgentsDefaultsPanel.tsx

@@ -169,15 +169,8 @@ const AgentsDefaultsPanel: React.FC = () => {
       if (concNum !== undefined) updated.maxConcurrent = concNum;
       else delete updated.maxConcurrent;
 
-      const outcome = await saveAgentsMutation.mutateAsync(updated);
-      toast.success(t("openclaw.agents.saveSuccess"), {
-        description: outcome.backupPath
-          ? t("openclaw.backupCreated", {
-              path: outcome.backupPath,
-              defaultValue: "Backup created: {{path}}",
-            })
-          : undefined,
-      });
+      await saveAgentsMutation.mutateAsync(updated);
+      toast.success(t("openclaw.agents.saveSuccess"));
     } catch (error) {
       const detail = extractErrorMessage(error);
       toast.error(t("openclaw.agents.saveFailed"), {

src/components/openclaw/EnvPanel.tsx

@@ -41,15 +41,8 @@ const EnvPanel: React.FC = () => {
   const handleSave = async () => {
     try {
       const env = parseOpenClawEnvEditorValue(editorValue);
-      const outcome = await saveEnvMutation.mutateAsync(env);
-      toast.success(t("openclaw.env.saveSuccess"), {
-        description: outcome.backupPath
-          ? t("openclaw.backupCreated", {
-              path: outcome.backupPath,
-              defaultValue: "Backup created: {{path}}",
-            })
-          : undefined,
-      });
+      await saveEnvMutation.mutateAsync(env);
+      toast.success(t("openclaw.env.saveSuccess"));
     } catch (error) {
       const detail = extractErrorMessage(error);
       let description = detail || undefined;

src/components/openclaw/ToolsPanel.tsx

@@ -85,15 +85,8 @@ const ToolsPanel: React.FC = () => {
         deny: denyList.map((item) => item.value).filter((s) => s.trim()),
       };
 
-      const outcome = await saveToolsMutation.mutateAsync(newConfig);
-      toast.success(t("openclaw.tools.saveSuccess"), {
-        description: outcome.backupPath
-          ? t("openclaw.backupCreated", {
-              path: outcome.backupPath,
-              defaultValue: "Backup created: {{path}}",
-            })
-          : undefined,
-      });
+      await saveToolsMutation.mutateAsync(newConfig);
+      toast.success(t("openclaw.tools.saveSuccess"));
     } catch (error) {
       const detail = extractErrorMessage(error);
       toast.error(t("openclaw.tools.saveFailed"), {

src/hooks/useProviderActions.ts

@@ -261,7 +261,7 @@ export function useProviderActions(activeApp: AppId) {
       };
 
       try {
-        const outcome = await openclawApi.setDefaultModel(model);
+        await openclawApi.setDefaultModel(model);
         await queryClient.invalidateQueries({
           queryKey: openclawKeys.defaultModel,
         });
@@ -272,15 +272,7 @@ export function useProviderActions(activeApp: AppId) {
           t("notifications.openclawDefaultModelSet", {
             defaultValue: "已设为默认模型",
           }),
-          {
-            closeButton: true,
-            description: outcome.backupPath
-              ? t("openclaw.backupCreated", {
-                  path: outcome.backupPath,
-                  defaultValue: "Backup created: {{path}}",
-                })
-              : undefined,
-          },
+          { closeButton: true },
         );
       } catch (error) {
         const detail =