feat(admin,api,player): 代理层级管理、额度上下分与玩家钱包详情

新增代理管理器与二级代理体系，完善信用额度/上下分上下文与冻结策略；代理端玩家与子代理管理增强；玩家端新增钱包详情页与交易筛选优化。

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/admin/src/views/Cashback.vue

@@ -5,6 +5,7 @@ import { ElMessage, ElMessageBox } from 'element-plus';
 import { useAdminLocale } from '../composables/useAdminLocale';
 import { formatAmount, formatAmountFull } from '../utils/format-amount';
 import AdminTableEmpty from '../components/AdminTableEmpty.vue';
+import { resolveApiError } from '../i18n/form-validation';
 import api from '../api';
 
 interface CashbackBatch {
@@ -104,13 +105,6 @@ function statusTagType(status: string) {
   return 'warning';
 }
 
-function apiErrorMessage(err: unknown, fallback: string) {
-  const msg = (err as { response?: { data?: { message?: string | string[] } } })?.response?.data?.message;
-  if (Array.isArray(msg)) return msg.join('；');
-  if (typeof msg === 'string' && msg.trim()) return msg;
-  return fallback;
-}
-
 function tableSummary(param: {
   columns: TableColumnCtx<CashbackPreviewItem>[];
   data: CashbackPreviewItem[];
@@ -141,6 +135,8 @@ async function loadHistory() {
     });
     history.value = (data.data.items ?? []) as CashbackBatch[];
     historyTotal.value = data.data.total ?? 0;
+  } catch (err) {
+    ElMessage.error(resolveApiError(err, t, 'msg.load_failed'));
   } finally {
     historyLoading.value = false;
   }
@@ -162,7 +158,7 @@ async function generatePreview() {
     }
     await loadHistory();
   } catch (err) {
-    ElMessage.error(apiErrorMessage(err, t('msg.error')));
+    ElMessage.error(resolveApiError(err, t, 'msg.save_failed'));
   } finally {
     loading.value = false;
   }
@@ -186,7 +182,7 @@ async function confirmBatchId(batchId: string) {
     if (detail.value?.batch.id === batchId) detailVisible.value = false;
     await loadHistory();
   } catch (err) {
-    ElMessage.error(apiErrorMessage(err, t('msg.error')));
+    ElMessage.error(resolveApiError(err, t, 'msg.save_failed'));
   }
 }
 
@@ -208,7 +204,7 @@ async function cancelBatchId(batchId: string) {
     if (detail.value?.batch.id === batchId) detailVisible.value = false;
     await loadHistory();
   } catch (err) {
-    ElMessage.error(apiErrorMessage(err, t('msg.error')));
+    ElMessage.error(resolveApiError(err, t, 'msg.save_failed'));
   }
 }
 
@@ -224,6 +220,9 @@ async function openDetail(batchId: string) {
   try {
     const { data } = await api.get(`/admin/cashbacks/${batchId}`);
     detail.value = data.data as CashbackPreview;
+  } catch (err) {
+    detailVisible.value = false;
+    ElMessage.error(resolveApiError(err, t, 'msg.load_failed'));
   } finally {
     detailLoading.value = false;
   }