fix: surface actionable channel message errors

plugin-src/client/channels/weixin/api.js

@@ -1,4 +1,5 @@
 import { normalizeAgentPresetCatalog, normalizeAgentPresetId, SET_AGENT_PRESET_ENDPOINT } from '../../agent-preset.js';
+import { normalizeLastMessageError } from '../../last-message-error.js';
 
 export const WEIXIN_RPC_CHANNEL = '/weixin';
 export const WEIXIN_ENDPOINTS = Object.freeze({
@@ -48,15 +49,6 @@ function normalizeTestMessage(value) {
   return { sent: false, code };
 }
 
-function normalizeMessageError(value) {
-  if (!isRecord(value)) return null;
-  const code = string(value.code).slice(0, 64);
-  const reason = string(value.reason).slice(0, 128);
-  const message = string(value.message).slice(0, 500);
-  const at = timestamp(value.at);
-  return code && reason && message && at !== null ? { code, reason, message, at } : null;
-}
-
 export function unwrapRpcResult(result) {
   if (!isRecord(result) || typeof result.ok !== 'boolean') {
     throw new Error('微信服务返回了无法识别的响应');
@@ -141,7 +133,7 @@ function normalizeBot(value) {
       messagesReceived: Math.max(0, Number(value.stats?.messagesReceived) || 0),
       messagesReplied: Math.max(0, Number(value.stats?.messagesReplied) || 0),
     },
-    lastMessageError: normalizeMessageError(value.lastMessageError),
+    lastMessageError: normalizeLastMessageError(value.lastMessageError),
     error: isRecord(value.error)
       ? {
           code: string(value.error.code, 'WEIXIN_ACCOUNT_ERROR'),

plugin-src/client/channels/weixin/index.js

@@ -22,7 +22,11 @@ import {
   EMPTY_AGENT_PRESET_CATALOG,
 } from '../../agent-preset.js';
 import { useWorkspaceSnapshotFence } from '../../workspace-snapshot-fence.js';
-import { BotStatusMeta, ChannelListHeading } from '../../channel-card-meta.js';
+import {
+  BotStatusMeta,
+  ChannelListHeading,
+  LastMessageErrorSummary,
+} from '../../channel-card-meta.js';
 import { installWeixinStyles } from './styles.js';
 
 export const name = 'weixin-settings';
@@ -247,10 +251,10 @@ export function AccountCard({
               busy === 'reconnect' ? '检查中…' : account.connected ? '检查连接' : '重试连接'),
             h(Button, { className: 'dim-cardAction', kind: 'danger', onClick: onRequestRemove, disabled: Boolean(busy) }, '移除接入')),
           summary ? h('div', { className: 'dxw-summary dim-cardSummary' }, summary) : null,
-          account.lastMessageError ? h('div', {
-            className: 'dxw-summary dim-cardSummary',
-            role: 'status',
-          }, `最近一条消息处理失败：${account.lastMessageError.message}`) : null,
+          account.lastMessageError ? h(LastMessageErrorSummary, {
+            className: 'dxw-summary',
+            error: account.lastMessageError,
+          }) : null,
           feedback ? h('div', {
             className: 'dxw-summary dim-cardFeedback',
             role: 'status',