feat: 本地清理旧用户遗留的localstorage

frontend/src/core/settings/local.ts

@@ -32,32 +32,16 @@ export interface LocalSettings {
   };
 }
 
+function clearLocalSettingsStorage() {
+  localStorage.removeItem(LOCAL_SETTINGS_KEY);
+}
+
 export function getLocalSettings(): LocalSettings {
   if (typeof window === "undefined") {
     return DEFAULT_LOCAL_SETTINGS;
   }
-  const json = localStorage.getItem(LOCAL_SETTINGS_KEY);
-  try {
-    if (json) {
-      const settings = JSON.parse(json);
-      const mergedSettings = {
-        ...DEFAULT_LOCAL_SETTINGS,
-        context: {
-          ...DEFAULT_LOCAL_SETTINGS.context,
-          ...settings.context,
-        },
-        layout: {
-          ...DEFAULT_LOCAL_SETTINGS.layout,
-          ...settings.layout,
-        },
-        notification: {
-          ...DEFAULT_LOCAL_SETTINGS.notification,
-          ...settings.notification,
-        },
-      };
-      return mergedSettings;
-    }
-  } catch {}
+
+  clearLocalSettingsStorage();
   return DEFAULT_LOCAL_SETTINGS;
 }
 
@@ -65,6 +49,6 @@ export function saveLocalSettings(settings: LocalSettings) {
   void settings;
   // 注释了，因为本地存储会污染模型配置
   console.log("localStorage设置，已经注释");
-  localStorage.removeItem(LOCAL_SETTINGS_KEY);
+  clearLocalSettingsStorage();
   // localStorage.setItem(LOCAL_SETTINGS_KEY, JSON.stringify(settings));
 }

frontend/tests/e2e/local-settings.spec.ts

@@ -0,0 +1,43 @@
+import { expect, test } from "@playwright/test";
+
+import { invalidNewChatUrl } from "./support/chat-helpers";
+
+const LOCAL_SETTINGS_KEY = "deerflow.local-settings";
+
+test.describe("本地设置清理", () => {
+  test("禁用持久化后会在进入工作台时清除历史 localStorage 设置", async ({
+    page,
+  }) => {
+    await page.addInitScript(
+      ({ key, value }: { key: string; value: string }) => {
+        window.localStorage.setItem(key, value);
+      },
+      {
+        key: LOCAL_SETTINGS_KEY,
+        value: JSON.stringify({
+          context: {
+            model_name: "gpt-5",
+            mode: "pro",
+            reasoning_effort: "high",
+          },
+          layout: {
+            sidebar_collapsed: true,
+          },
+          notification: {
+            enabled: false,
+          },
+        }),
+      },
+    );
+
+    await page.goto(invalidNewChatUrl());
+    await expect(page.locator("textarea[name='message']")).toBeVisible();
+
+    await expect
+      .poll(
+        () => page.evaluate((key) => window.localStorage.getItem(key), LOCAL_SETTINGS_KEY),
+        { message: "expected deprecated local settings storage to be cleared" },
+      )
+      .toBeNull();
+  });
+});