feat: 添加删除待审核开奖批次功能及相关错误信息

- 在 AdminAuthorizationRegistry 中新增删除待审核开奖批次的权限定义。
- 更新 API 路由以支持删除待审核开奖批次的请求。
- 在多语言文件中添加相关错误信息，确保用户在删除操作中获得清晰的反馈。
- 增加测试用例，验证管理员能够成功删除待审核的开奖批次并返回正确状态。

tests/Feature/DrawPipelineTest.php

@@ -640,6 +640,68 @@ test('admin can create manual result batch with 23 numbers for review', function
     Carbon::setTestNow();
 });
 
+test('admin can discard pending manual result batch and draw returns to closed', function (): void {
+    Carbon::setTestNow(Carbon::parse('2026-05-09 14:25:00', 'UTC'));
+
+    $draw = Draw::query()->create([
+        'draw_no' => '20260509-221',
+        'business_date' => '2026-05-09',
+        'sequence_no' => 221,
+        'status' => DrawStatus::Closed->value,
+        'start_time' => now()->copy()->subMinutes(20),
+        'close_time' => now()->copy()->subMinutes(2),
+        'draw_time' => now()->copy()->subMinute(),
+        'cooling_end_time' => null,
+        'result_source' => null,
+        'current_result_version' => 0,
+        'settle_version' => 0,
+        'is_reopened' => false,
+    ]);
+
+    $admin = AdminUser::query()->create([
+        'username' => 'discard_batch_admin',
+        'name' => 'Discard Batch Admin',
+        'email' => null,
+        'password' => Hash::make('secret-strong'),
+        'status' => 0,
+    ]);
+    grantSuperAdminRole($admin);
+    $token = $admin->createToken('test', ['*'], now()->addDay())->plainTextToken;
+
+    $items = [];
+    foreach (array_values(App\Services\Draw\DrawPrizeLayout::slots()) as $i => $slot) {
+        $items[] = [
+            'prize_type' => $slot['prize_type'],
+            'prize_index' => $slot['prize_index'],
+            'number_4d' => str_pad((string) ($i + 11), 4, '0', STR_PAD_LEFT),
+        ];
+    }
+
+    $this->withHeader('Authorization', 'Bearer '.$token)
+        ->postJson("/api/v1/admin/draws/{$draw->id}/result-batches", ['items' => $items])
+        ->assertOk();
+
+    $batchId = (int) DrawResultBatch::query()->where('draw_id', $draw->id)->value('id');
+    expect($batchId)->toBeGreaterThan(0);
+
+    $draw->refresh();
+    expect($draw->status)->toBe(DrawStatus::Review->value);
+
+    $this->withHeader('Authorization', 'Bearer '.$token)
+        ->deleteJson("/api/v1/admin/draws/{$draw->id}/result-batches/{$batchId}")
+        ->assertOk()
+        ->assertJsonPath('data.status', DrawStatus::Closed->value)
+        ->assertJsonPath('data.deleted_batch_id', $batchId);
+
+    $draw->refresh();
+    expect($draw->status)->toBe(DrawStatus::Closed->value);
+    expect($draw->result_source)->toBeNull();
+    expect(DrawResultBatch::query()->where('draw_id', $draw->id)->count())->toBe(0);
+    expect(DrawResultItem::query()->where('draw_id', $draw->id)->count())->toBe(0);
+
+    Carbon::setTestNow();
+});
+
 test('admin can reopen cooldown draw for a replacement result batch', function (): void {
     Carbon::setTestNow(Carbon::parse('2026-05-09 14:30:00', 'UTC'));