feat(webdav): follow-up 补齐自动同步与大文件防护 (#1043)

* feat(webdav): add robust auto sync with failure feedback

(cherry picked from commit bb6760124a62a964b36902c004e173534910728f)

* fix(webdav): enforce bounded download and extraction size

(cherry picked from commit 7777d6ec2b9bba07c8bbba9b04fe3ea6b15e0e79)

* fix(webdav): only show auto-sync callout for auto-source errors

* refactor(webdav): remove services->commands auto-sync dependency

src/App.tsx

@@ -3,6 +3,7 @@ import { useTranslation } from "react-i18next";
 import { motion, AnimatePresence } from "framer-motion";
 import { toast } from "sonner";
 import { invoke } from "@tauri-apps/api/core";
+import { listen } from "@tauri-apps/api/event";
 import { useQueryClient } from "@tanstack/react-query";
 import {
   Plus,
@@ -81,6 +82,12 @@ type View =
   | "openclawTools"
   | "openclawAgents";
 
+interface WebDavSyncStatusUpdatedPayload {
+  source?: string;
+  status?: string;
+  error?: string;
+}
+
 const DRAG_BAR_HEIGHT = isWindows() || isLinux() ? 0 : 28; // px
 const HEADER_HEIGHT = 64; // px
 const CONTENT_TOP_OFFSET = DRAG_BAR_HEIGHT + HEADER_HEIGHT;
@@ -292,6 +299,49 @@ function App() {
     };
   }, [queryClient]);
 
+  useEffect(() => {
+    let unsubscribe: (() => void) | undefined;
+    let active = true;
+
+    const setupListener = async () => {
+      try {
+        const off = await listen(
+          "webdav-sync-status-updated",
+          async (event) => {
+            const payload = (event.payload ?? {}) as WebDavSyncStatusUpdatedPayload;
+            await queryClient.invalidateQueries({ queryKey: ["settings"] });
+
+            if (payload.source !== "auto" || payload.status !== "error") {
+              return;
+            }
+
+            toast.error(
+              t("settings.webdavSync.autoSyncFailedToast", {
+                error: payload.error || t("common.unknown"),
+              }),
+            );
+          },
+        );
+        if (!active) {
+          off();
+          return;
+        }
+        unsubscribe = off;
+      } catch (error) {
+        console.error(
+          "[App] Failed to subscribe webdav-sync-status-updated event",
+          error,
+        );
+      }
+    };
+
+    void setupListener();
+    return () => {
+      active = false;
+      unsubscribe?.();
+    };
+  }, [queryClient, t]);
+
   useEffect(() => {
     const checkEnvOnStartup = async () => {
       try {

src/components/settings/WebdavSyncSection.tsx

@@ -16,6 +16,7 @@ import { useQueryClient } from "@tanstack/react-query";
 import { toast } from "sonner";
 import { Button } from "@/components/ui/button";
 import { Input } from "@/components/ui/input";
+import { Switch } from "@/components/ui/switch";
 import {
   Select,
   SelectContent,
@@ -162,6 +163,7 @@ export function WebdavSyncSection({ config }: WebdavSyncSectionProps) {
     password: config?.password ?? "",
     remoteRoot: config?.remoteRoot ?? "cc-switch-sync",
     profile: config?.profile ?? "default",
+    autoSync: config?.autoSync ?? false,
   }));
 
   // Preset selector — derived from initial URL, updated on user selection
@@ -196,6 +198,7 @@ export function WebdavSyncSection({ config }: WebdavSyncSectionProps) {
       password: config.password ?? "",
       remoteRoot: config.remoteRoot ?? "cc-switch-sync",
       profile: config.profile ?? "default",
+      autoSync: config.autoSync ?? false,
     });
     setPasswordTouched(false);
     setPresetId(detectPreset(config.baseUrl ?? ""));
@@ -237,6 +240,16 @@ export function WebdavSyncSection({ config }: WebdavSyncSectionProps) {
     }
   }, [form.baseUrl, presetId]);
 
+  const handleAutoSyncChange = useCallback((checked: boolean) => {
+    setForm((prev) => ({ ...prev, autoSync: checked }));
+    setDirty(true);
+    setJustSaved(false);
+    if (justSavedTimerRef.current) {
+      clearTimeout(justSavedTimerRef.current);
+      justSavedTimerRef.current = null;
+    }
+  }, []);
+
   const buildSettings = useCallback((): WebDavSyncSettings | null => {
     const baseUrl = form.baseUrl.trim();
     if (!baseUrl) return null;
@@ -247,6 +260,7 @@ export function WebdavSyncSection({ config }: WebdavSyncSectionProps) {
       password: form.password,
       remoteRoot: form.remoteRoot.trim() || "cc-switch-sync",
       profile: form.profile.trim() || "default",
+      autoSync: form.autoSync,
     };
   }, [form]);
 
@@ -433,6 +447,9 @@ export function WebdavSyncSection({ config }: WebdavSyncSectionProps) {
   const lastSyncDisplay = lastSyncAt
     ? new Date(lastSyncAt * 1000).toLocaleString()
     : null;
+  const lastError = config?.status?.lastError?.trim();
+  const showAutoSyncError =
+    !!lastError && config?.status?.lastErrorSource === "auto";
 
   // ─── Render ─────────────────────────────────────────────
 
@@ -559,6 +576,23 @@ export function WebdavSyncSection({ config }: WebdavSyncSectionProps) {
               disabled={isLoading}
             />
           </div>
+
+          <div className="flex items-start gap-4">
+            <label className="w-40 text-xs font-medium text-foreground shrink-0">
+              {t("settings.webdavSync.autoSync")}
+              <span className="block text-[10px] font-normal text-muted-foreground">
+                {t("settings.webdavSync.autoSyncHint")}
+              </span>
+            </label>
+            <div className="pt-1">
+              <Switch
+                checked={form.autoSync}
+                onCheckedChange={handleAutoSyncChange}
+                aria-label={t("settings.webdavSync.autoSync")}
+                disabled={isLoading}
+              />
+            </div>
+          </div>
         </div>
 
         {/* Last sync time */}
@@ -567,6 +601,17 @@ export function WebdavSyncSection({ config }: WebdavSyncSectionProps) {
             {t("settings.webdavSync.lastSync", { time: lastSyncDisplay })}
           </p>
         )}
+        {showAutoSyncError && (
+          <div className="rounded-lg border border-red-300/70 bg-red-50/80 px-3 py-2 text-xs text-red-900 dark:border-red-500/50 dark:bg-red-950/30 dark:text-red-200">
+            <p className="font-medium">
+              {t("settings.webdavSync.autoSyncLastErrorTitle")}
+            </p>
+            <p className="mt-1 break-all whitespace-pre-wrap">{lastError}</p>
+            <p className="mt-1 text-[11px] text-red-700/90 dark:text-red-300/80">
+              {t("settings.webdavSync.autoSyncLastErrorHint")}
+            </p>
+          </div>
+        )}
 
         {/* Config buttons + save status */}
         <div className="flex flex-wrap items-center gap-3 pt-2">

src/i18n/locales/en.json

@@ -283,6 +283,8 @@
       "passwordPlaceholder": "App password",
       "remoteRoot": "Remote Root Directory",
       "profile": "Sync Profile Name",
+      "autoSync": "Auto Sync",
+      "autoSyncHint": "When enabled, each database change triggers an automatic WebDAV upload.",
       "test": "Test Connection",
       "testing": "Testing...",
       "testSuccess": "Connection successful",
@@ -294,11 +296,14 @@
       "uploading": "Uploading...",
       "uploadSuccess": "Uploaded to WebDAV",
       "uploadFailed": "Upload failed: {{error}}",
+      "autoSyncFailedToast": "Auto sync failed: {{error}}",
       "download": "Download from Cloud",
       "downloading": "Downloading...",
       "downloadSuccess": "Downloaded and restored from WebDAV",
       "downloadFailed": "Download failed: {{error}}",
       "lastSync": "Last sync: {{time}}",
+      "autoSyncLastErrorTitle": "Last auto sync failed",
+      "autoSyncLastErrorHint": "Please check network or WebDAV settings. Auto sync will retry on future changes.",
       "missingUrl": "Please enter the WebDAV server URL",
       "presets": {
         "label": "Provider",

src/i18n/locales/ja.json

@@ -283,6 +283,8 @@
       "passwordPlaceholder": "アプリパスワード",
       "remoteRoot": "リモートルートディレクトリ",
       "profile": "同期プロファイル名",
+      "autoSync": "自動同期",
+      "autoSyncHint": "有効にすると、データベース変更のたびに WebDAV へ自動アップロードします。",
       "test": "接続テスト",
       "testing": "テスト中...",
       "testSuccess": "接続成功",
@@ -294,11 +296,14 @@
       "uploading": "アップロード中...",
       "uploadSuccess": "WebDAV にアップロードしました",
       "uploadFailed": "アップロードに失敗しました：{{error}}",
+      "autoSyncFailedToast": "自動同期に失敗しました：{{error}}",
       "download": "クラウドからダウンロード",
       "downloading": "ダウンロード中...",
       "downloadSuccess": "WebDAV からダウンロード・復元しました",
       "downloadFailed": "ダウンロードに失敗しました：{{error}}",
       "lastSync": "前回の同期：{{time}}",
+      "autoSyncLastErrorTitle": "前回の自動同期に失敗しました",
+      "autoSyncLastErrorHint": "ネットワークまたは WebDAV 設定を確認してください。次回の変更時に自動再試行されます。",
       "missingUrl": "WebDAV サーバー URL を入力してください",
       "presets": {
         "label": "サービス",

src/i18n/locales/zh.json

@@ -283,6 +283,8 @@
       "passwordPlaceholder": "应用密码（坚果云请使用「第三方应用密码」）",
       "remoteRoot": "远程根目录",
       "profile": "同步配置名",
+      "autoSync": "自动同步",
+      "autoSyncHint": "开启后每次数据库变更都会自动上传到 WebDAV。",
       "test": "测试连接",
       "testing": "测试中...",
       "testSuccess": "连接成功",
@@ -294,11 +296,14 @@
       "uploading": "上传中...",
       "uploadSuccess": "已上传到 WebDAV",
       "uploadFailed": "上传失败：{{error}}",
+      "autoSyncFailedToast": "自动同步失败：{{error}}",
       "download": "从云端下载",
       "downloading": "下载中...",
       "downloadSuccess": "已从 WebDAV 下载并恢复",
       "downloadFailed": "下载失败：{{error}}",
       "lastSync": "上次同步：{{time}}",
+      "autoSyncLastErrorTitle": "上次自动同步失败",
+      "autoSyncLastErrorHint": "请检查网络或 WebDAV 配置，系统会在后续变更时继续自动重试。",
       "missingUrl": "请填写 WebDAV 服务器地址",
       "presets": {
         "label": "服务商",

src/lib/schemas/settings.ts

@@ -33,6 +33,7 @@ export const settingsSchema = z.object({
   webdavSync: z
     .object({
       enabled: z.boolean().optional(),
+      autoSync: z.boolean().optional(),
       baseUrl: z.string().trim().optional().or(z.literal("")),
       username: z.string().trim().optional().or(z.literal("")),
       password: z.string().optional(),
@@ -42,6 +43,7 @@ export const settingsSchema = z.object({
         .object({
           lastSyncAt: z.number().nullable().optional(),
           lastError: z.string().nullable().optional(),
+          lastErrorSource: z.string().nullable().optional(),
           lastRemoteEtag: z.string().nullable().optional(),
           lastLocalManifestHash: z.string().nullable().optional(),
           lastRemoteManifestHash: z.string().nullable().optional(),

src/types.ts

@@ -167,6 +167,7 @@ export interface VisibleApps {
 export interface WebDavSyncStatus {
   lastSyncAt?: number | null;
   lastError?: string | null;
+  lastErrorSource?: string | null;
   lastRemoteEtag?: string | null;
   lastLocalManifestHash?: string | null;
   lastRemoteManifestHash?: string | null;
@@ -175,6 +176,7 @@ export interface WebDavSyncStatus {
 // WebDAV v2 同步配置
 export interface WebDavSyncSettings {
   enabled?: boolean;
+  autoSync?: boolean;
   baseUrl?: string;
   username?: string;
   password?: string;