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/router/index.ts

@@ -17,6 +17,11 @@ const router = createRouter({
           component: () => import('../views/AgentManager.vue'),
           meta: { adminOnly: true },
         },
+        {
+          path: 'agent-credit-transactions',
+          component: () => import('../views/AgentCreditTransactions.vue'),
+          meta: { adminOnly: true },
+        },
         {
           path: 'agents',
           redirect: '/users',
@@ -76,6 +81,16 @@ const router = createRouter({
           component: () => import('../views/Audit.vue'),
           meta: { adminOnly: true },
         },
+        {
+          path: 'smoke-tests',
+          component: () => import('../views/SmokeTests.vue'),
+          meta: { adminOnly: true },
+        },
+        {
+          path: 'smoke-tests',
+          component: () => import('../views/SmokeTests.vue'),
+          meta: { adminOnly: true },
+        },
         {
           path: 'my-players',
           component: () => import('../views/agent/Players.vue'),