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/i18n/admin-messages.ts

@@ -37,9 +37,11 @@ const zh: Record<string, string> = {
   'nav.matches': '赛事管理',
   'nav.outrights': '优胜冠军',
   'nav.bets': '注单管理',
+  'nav.credit_transactions': '额度流水',
   'nav.cashback': '返水管理',
   'nav.contents': '公共管理',
   'nav.audit': '操作日志',
+  'nav.smoke_tests': '自动化测试',
   'nav.players': '直属玩家',
   'nav.subAgents': '下级代理',
   'nav.myBets': '注单查询',
@@ -215,9 +217,11 @@ const en: Record<string, string> = {
   'nav.matches': 'Matches',
   'nav.outrights': 'Outrights',
   'nav.bets': 'Bets',
+  'nav.credit_transactions': 'Credit ledger',
   'nav.cashback': 'Cashback',
   'nav.contents': 'Public Content',
   'nav.audit': 'Audit Log',
+  'nav.smoke_tests': 'Smoke tests',
   'nav.players': 'My Players',
   'nav.subAgents': 'Sub-Agents',
   'nav.myBets': 'Bet Search',
@@ -393,9 +397,11 @@ const ms: Record<string, string> = {
   'nav.matches': 'Perlawanan',
   'nav.outrights': 'Juara',
   'nav.bets': 'Pertaruhan',
+  'nav.credit_transactions': 'Lejar kredit',
   'nav.cashback': 'Rebat',
   'nav.contents': 'Kandungan awam',
   'nav.audit': 'Log audit',
+  'nav.smoke_tests': 'Ujian asap',
   'nav.players': 'Pemain saya',
   'nav.subAgents': 'Sub-ejen',
   'nav.myBets': 'Carian pertaruhan',