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/player/src/views/WalletView.vue

@@ -40,6 +40,10 @@ function goWalletDetail() {
   router.push('/wallet/detail');
 }
 
+function goCashbacks() {
+  router.push('/wallet/cashbacks');
+}
+
 async function fetchTransactions() {
   loading.value = true;
   try {
@@ -80,8 +84,12 @@ const pullIndicatorStyle = () => ({
     </div>
 
     <template v-else>
-      <div v-if="items.length" class="top-bar">
+      <div class="top-bar">
+        <button type="button" class="more-link secondary" @click="goCashbacks">
+          {{ t('wallet.view_cashbacks_detail') }} &#x203A;
+        </button>
         <button
+          v-if="items.length"
           type="button"
           class="more-link"
           @click="goWalletDetail"
@@ -191,12 +199,16 @@ const pullIndicatorStyle = () => ({
 
 .top-bar {
   display: flex;
-  justify-content: flex-end;
+  justify-content: space-between;
   align-items: center;
   padding: 0 4px 2px;
   margin-top: -8px;
 }
 
+.top-bar .more-link.secondary {
+  color: #f0b90b;
+}
+
 .more-link {
   background: none;
   border: none;