feat: add smoke tests, agent credit ledger, and player cashback page

Introduce admin smoke-test suite with API probes, agent credit transaction history, and player cashback records; fix SmokeTestModule DI and polish admin/player UI assets.

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

apps/admin/src/views/Agents.vue

@@ -1,10 +1,12 @@
 <script setup lang="ts">
 import { ref, onMounted } from 'vue';
+import { useRouter } from 'vue-router';
 import { useAdminLocale } from '../composables/useAdminLocale';
 import { resolveFormError, resolveApiError } from '../i18n/form-validation';
 import api from '../api';
 
 const { t } = useAdminLocale();
+const router = useRouter();
 import { ElMessage } from 'element-plus';
 import {
   emptyAgentCreateForm,
@@ -17,7 +19,7 @@ import {
   type AgentCreateForm,
   type AgentEditForm,
   type PromotableUserOption,
-} from './agent-form.ts';
+} from './agent-form';
 import {
   formatAmount,
   formatAmountFull,
@@ -484,7 +486,17 @@ function creditTypeLabel(type: string) {
         </el-descriptions-item>
       </el-descriptions>
 
-      <div class="section-title">{{ t('agent.section.credit_log') }}</div>
+      <div class="section-title section-title--row">
+        <span>{{ t('agent.section.credit_log') }}</span>
+        <el-button
+          v-if="detail"
+          link
+          type="primary"
+          @click="router.push({ path: '/agent-credit-transactions', query: { agentId: detail.userId } })"
+        >
+          {{ t('agent.credit_tx.view_all') }}
+        </el-button>
+      </div>
       <el-table
         :data="detail.recentCreditTransactions"
         size="small"
@@ -527,6 +539,13 @@ function creditTypeLabel(type: string) {
   color: #666;
   margin-bottom: 8px;
 }
+
+.section-title--row {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 8px;
+}
 .amount-compact {
   white-space: nowrap;
   font-variant-numeric: tabular-nums;