Restore removed features from PR #322

- Add back BatchOperationFailure type and batch failure handling functions
- Add back dismissNodeExpiryReminder API endpoint
- Add back update channel selection UI in config page
- Keep simplified version display in version-footer.tsx

vite-frontend/src/api/error-message.ts

@@ -1,3 +1,5 @@
+import type { BatchOperationFailure } from "@/api/types";
+
 import axios from "axios";
 
 interface ErrorPayload {
@@ -5,6 +7,20 @@ interface ErrorPayload {
   message?: string;
 }
 
+interface BatchFailurePayload {
+  id?: number;
+  name?: string;
+  reason?: string;
+  msg?: string;
+  message?: string;
+}
+
+interface BatchResultPayload {
+  failures?: unknown[];
+}
+
+const MAX_BATCH_FAILURES_IN_TOAST = 3;
+
 export const isUnauthorizedError = (error: unknown): boolean => {
   return axios.isAxiosError(error) && error.response?.status === 401;
 };
@@ -25,3 +41,95 @@ export const extractApiErrorMessage = (
 
   return fallback;
 };
+
+const normalizeBatchFailure = (
+  failure: unknown,
+): BatchOperationFailure | null => {
+  if (typeof failure === "string") {
+    const reason = failure.trim();
+
+    return reason ? { reason } : null;
+  }
+
+  const payload = (failure ?? {}) as BatchFailurePayload;
+  const id =
+    typeof payload.id === "number" && Number.isFinite(payload.id)
+      ? payload.id
+      : undefined;
+  const name = typeof payload.name === "string" ? payload.name.trim() : "";
+  const reasonSource = [payload.reason, payload.msg, payload.message].find(
+    (item) => typeof item === "string" && item.trim() !== "",
+  );
+  const reason = typeof reasonSource === "string" ? reasonSource.trim() : "";
+
+  if (!name && !reason && id === undefined) {
+    return null;
+  }
+
+  return {
+    ...(id !== undefined ? { id } : {}),
+    ...(name ? { name } : {}),
+    ...(reason ? { reason } : {}),
+  };
+};
+
+const normalizeBatchFailureReason = (
+  failure: BatchOperationFailure,
+): string => {
+  const name = typeof failure.name === "string" ? failure.name.trim() : "";
+  const reason =
+    typeof failure.reason === "string" ? failure.reason.trim() : "";
+
+  if (name && reason) {
+    return `${name}: ${reason}`;
+  }
+
+  if (reason) {
+    if (typeof failure.id === "number" && Number.isFinite(failure.id)) {
+      return `ID ${failure.id}: ${reason}`;
+    }
+
+    return reason;
+  }
+
+  if (name) {
+    return name;
+  }
+
+  if (typeof failure.id === "number" && Number.isFinite(failure.id)) {
+    return `ID ${failure.id} 下发失败`;
+  }
+
+  return "";
+};
+
+export const extractBatchFailures = (
+  result: unknown,
+): BatchOperationFailure[] => {
+  const payload = (result ?? {}) as BatchResultPayload;
+
+  return Array.isArray(payload.failures)
+    ? payload.failures
+        .map((item) => normalizeBatchFailure(item))
+        .filter((item): item is BatchOperationFailure => item !== null)
+    : [];
+};
+
+export const buildBatchFailureMessage = (
+  result: unknown,
+  fallbackSummary: string,
+): string => {
+  const failures = extractBatchFailures(result)
+    .map((item) => normalizeBatchFailureReason(item))
+    .filter((item) => item !== "");
+
+  if (failures.length === 0) {
+    return fallbackSummary;
+  }
+
+  const visibleFailures = failures.slice(0, MAX_BATCH_FAILURES_IN_TOAST);
+  const hiddenCount = failures.length - visibleFailures.length;
+  const hiddenSuffix = hiddenCount > 0 ? ` 等 ${failures.length} 项` : "";
+
+  return `${fallbackSummary}：${visibleFailures.join("；")}${hiddenSuffix}`;
+};