feat(admin): 密码校验统一与后台 API/设置增强

- 管理端账号/代理/站点等密码最短长度统一为 6 位
- LotterySettings、审计日志展示、币种与报表接口等小修复
- 补充设置批量更新、注单、校验错误等相关测试

app/Http/Requests/Admin/AdminCurrencyStoreRequest.php

@@ -17,7 +17,6 @@ final class AdminCurrencyStoreRequest extends ApiFormRequest
         return [
             'code' => ['required', 'string', 'max:16', 'regex:/^[A-Z0-9]{1,16}$/', Rule::unique('currencies', 'code')],
             'name' => ['required', 'string', 'max:64'],
-            'decimal_places' => ['sometimes', 'integer', 'min:0', 'max:12'],
             'is_enabled' => ['sometimes', 'boolean'],
             'is_bettable' => ['sometimes', 'boolean'],
         ];

app/Http/Requests/Admin/AdminCurrencyUpdateRequest.php

@@ -15,7 +15,6 @@ final class AdminCurrencyUpdateRequest extends ApiFormRequest
     {
         return [
             'name' => ['sometimes', 'string', 'max:64'],
-            'decimal_places' => ['sometimes', 'integer', 'min:0', 'max:12'],
             'is_enabled' => ['sometimes', 'boolean'],
             'is_bettable' => ['sometimes', 'boolean'],
         ];

app/Http/Requests/Admin/AdminIntegrationSiteStoreRequest.php

@@ -33,7 +33,7 @@ final class AdminIntegrationSiteStoreRequest extends ApiFormRequest
             'admin_account' => ['required', 'array'],
             'admin_account.username' => ['required', 'string', 'max:64', Rule::unique('admin_users', 'username')],
             'admin_account.nickname' => ['required', 'string', 'max:64'],
-            'admin_account.password' => ['required', 'string', 'min:8', 'max:255'],
+            'admin_account.password' => ['required', 'string', 'min:6', 'max:255'],
             'admin_account.email' => ['nullable', 'email', 'max:255'],
         ];
     }

app/Http/Requests/Admin/AdminUserStoreRequest.php

@@ -50,7 +50,7 @@ final class AdminUserStoreRequest extends ApiFormRequest
             'username' => ['required', 'string', 'min:2', 'max:64', 'regex:/^[a-zA-Z0-9._-]+$/u', 'unique:admin_users,username'],
             'nickname' => ['required', 'string', 'max:128'],
             'email' => ['nullable', 'string', 'email', 'max:255'],
-            'password' => ['required', 'string', 'min:8', 'max:256'],
+            'password' => ['required', 'string', 'min:6', 'max:256'],
             'status' => ['sometimes', 'integer', 'in:0,1'],
             'admin_site_id' => ['required', 'integer', 'exists:admin_sites,id'],
             'role_slugs' => ['required', 'array', 'min:1'],

app/Http/Requests/Admin/AdminUserUpdateRequest.php

@@ -34,7 +34,7 @@ final class AdminUserUpdateRequest extends ApiFormRequest
         return [
             'nickname' => ['sometimes', 'string', 'max:128'],
             'email' => ['sometimes', 'nullable', 'string', 'email', 'max:255', Rule::unique('admin_users', 'email')->ignore($adminUser?->id)],
-            'password' => ['sometimes', 'nullable', 'string', 'min:8', 'max:256'],
+            'password' => ['sometimes', 'nullable', 'string', 'min:6', 'max:256'],
             'status' => ['sometimes', 'integer', Rule::in([0, 1])],
         ];
     }

app/Http/Requests/Admin/AgentNodeStoreRequest.php

@@ -31,7 +31,7 @@ final class AgentNodeStoreRequest extends ApiFormRequest
             'name' => ['required', 'string', 'max:128'],
             'username' => ['sometimes', 'nullable', ...$this->adminOperatorUsernameRules(required: false), Rule::unique('admin_users', 'username')],
             'email' => ['nullable', 'email', 'max:255', Rule::unique('admin_users', 'email')],
-            'password' => ['required', 'string', 'min:8', 'max:128'],
+            'password' => ['required', 'string', 'min:6', 'max:128'],
             'status' => ['sometimes', 'integer', 'in:0,1'],
             ...$this->agentProfileFieldRules(),
         ];

app/Http/Requests/Admin/Concerns/AdminAccountFieldRules.php

@@ -13,7 +13,7 @@ trait AdminAccountFieldRules
     }
 
     /** @return array<int, mixed> */
-    protected function adminLoginPasswordRules(bool $required = true, int $min = 8, int $max = 256): array
+    protected function adminLoginPasswordRules(bool $required = true, int $min = 6, int $max = 256): array
     {
         $rules = ['string', 'min:'.$min, 'max:'.$max];