refactor: cleanup, korean translation

src/lib/backend-errors.ts

@@ -20,6 +20,14 @@ export type BackendErrorCode =
   | "COOKIE_DB_LOCKED"
   | "COOKIE_DB_UNAVAILABLE"
   | "SELF_HOSTED_REQUIRES_LOGOUT"
+  | "PROXY_NOT_FOUND"
+  | "GROUP_NOT_FOUND"
+  | "VPN_NOT_FOUND"
+  | "EXTENSION_NOT_FOUND"
+  | "EXTENSION_GROUP_NOT_FOUND"
+  | "CANNOT_MODIFY_CLOUD_MANAGED_PROXY"
+  | "SYNC_LOCKED_BY_PROFILE"
+  | "SYNC_NOT_CONFIGURED"
   | "INTERNAL_ERROR";
 
 export interface BackendError {
@@ -96,6 +104,22 @@ export function translateBackendError(t: TFunction, err: unknown): string {
       return t("backendErrors.cookieDbUnavailable");
     case "SELF_HOSTED_REQUIRES_LOGOUT":
       return t("backendErrors.selfHostedRequiresLogout");
+    case "PROXY_NOT_FOUND":
+      return t("backendErrors.proxyNotFound");
+    case "GROUP_NOT_FOUND":
+      return t("backendErrors.groupNotFound");
+    case "VPN_NOT_FOUND":
+      return t("backendErrors.vpnNotFound");
+    case "EXTENSION_NOT_FOUND":
+      return t("backendErrors.extensionNotFound");
+    case "EXTENSION_GROUP_NOT_FOUND":
+      return t("backendErrors.extensionGroupNotFound");
+    case "CANNOT_MODIFY_CLOUD_MANAGED_PROXY":
+      return t("backendErrors.cannotModifyCloudManagedProxy");
+    case "SYNC_LOCKED_BY_PROFILE":
+      return t("backendErrors.syncLockedByProfile");
+    case "SYNC_NOT_CONFIGURED":
+      return t("backendErrors.syncNotConfigured");
     case "INTERNAL_ERROR":
       return t("backendErrors.internal", {
         detail: parsed.params?.detail ?? "",

src/lib/toast-utils.ts

@@ -1,3 +1,4 @@
+import { invoke } from "@tauri-apps/api/core";
 import React from "react";
 import { type ExternalToast, toast as sonnerToast } from "sonner";
 import { UnifiedToast } from "@/components/custom-toast";
@@ -259,7 +260,7 @@ export function showSyncProgressToast(
     failed_count: number;
     phase: string;
   },
-  options?: { id?: string },
+  options?: { id?: string; profileId?: string },
 ) {
   return showToast({
     type: "sync-progress",
@@ -268,6 +269,15 @@ export function showSyncProgressToast(
     id: options?.id,
     duration: Number.POSITIVE_INFINITY,
     onCancel: () => {
+      if (options?.profileId) {
+        // Fire-and-forget — backend flips the cancel flag for the in-flight
+        // upload/download loops to drain.
+        void invoke("cancel_profile_sync", {
+          profileId: options.profileId,
+        }).catch((err: unknown) => {
+          console.error("Failed to cancel sync:", err);
+        });
+      }
       if (options?.id) {
         dismissToast(options.id);
       }