fix(settlement): 操作记录分页、流水动作与坏账幂等加固

- 新增 settlement-operations 合并列表 API，收付/调账接口改为标准分页
- actionable_only 流水在内存过滤后正确分页
- 已结账单流水不再展示补差/冲正快捷动作
- 坏账核销支持 idempotency_key 并写入 result_bill_id
- 补充操作记录、流水与坏账幂等相关测试

app/Http/Controllers/Api/V1/E2E/E2ECaptchaPeekController.php

@@ -2,10 +2,12 @@
 
 namespace App\Http\Controllers\Api\V1\E2E;
 
-use App\Services\AdminCaptchaService;
+use App\Lottery\ErrorCode;
 use App\Support\ApiResponse;
-use Illuminate\Http\JsonResponse;
 use Illuminate\Http\Request;
+use Illuminate\Http\JsonResponse;
+use App\Http\Controllers\Controller;
+use App\Services\AdminCaptchaService;
 
 /**
  * E2E 辅助：peek captcha bypass 码。
@@ -14,14 +16,15 @@ use Illuminate\Http\Request;
  * 改用 e2e 约定：captcha_code == "LOTTERY_E2E_BYPASS" 在 LOTTERY_E2E=true 时视为通过。
  * 本端点不返回任何"答案"，仅返回约定码提示。
  */
-final class E2ECaptchaPeekController extends \App\Http\Controllers\Controller
+final class E2ECaptchaPeekController extends Controller
 {
     public function player(Request $request): JsonResponse
     {
         $key = (string) $request->input('captcha_key', '');
         if ($key === '') {
-            return ApiResponse::error('captcha_key required', 'e2e_invalid_input', null, 422);
+            return ApiResponse::error('captcha_key required', ErrorCode::ValidationFailed->value, null, 422);
         }
+
         return $this->peek($key, AdminCaptchaService::SCOPE_PLAYER);
     }
 
@@ -29,8 +32,9 @@ final class E2ECaptchaPeekController extends \App\Http\Controllers\Controller
     {
         $key = (string) $request->input('captcha_key', '');
         if ($key === '') {
-            return ApiResponse::error('captcha_key required', 'e2e_invalid_input', null, 422);
+            return ApiResponse::error('captcha_key required', ErrorCode::ValidationFailed->value, null, 422);
         }
+
         return $this->peek($key, AdminCaptchaService::SCOPE_ADMIN);
     }