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/Matches.vue

@@ -12,7 +12,7 @@ import { getBuiltinCountry } from '../data/builtinCountries';
 import {
   readMatchesListUiState,
   writeMatchesListUiState,
-} from '../utils/matchesListState.ts';
+} from '../utils/matchesListState';
 import { formatAmount } from '../utils/format-amount';
 import {
   emptyMatchForm,
@@ -20,7 +20,7 @@ import {
   fillBuiltinTeam,
   clearBuiltinTeam,
   type MatchCreateForm,
-} from './match-form.ts';
+} from './match-form';
 
 const { t } = useAdminLocale();
 const route = useRoute();