feat: 增强抽奖管理功能，支持手动创建、更新和删除期号

- 新增 API 路由和控制器，允许管理员手动创建、更新和删除抽奖期号。
- 更新抽奖调度逻辑，确保在抽奖时间和封盘时间的管理上更加灵活。
- 添加多语言支持的错误信息，提升用户体验。
- 更新测试用例，确保新功能的正确性和稳定性。

tests/Feature/DrawPipelineTest.php

@@ -72,6 +72,141 @@ test('admin can batch generate draw schedule buffer', function (): void {
     Carbon::setTestNow();
 });
 
+test('draw planner schedules after last draw_time not midnight slot', function (): void {
+    config([
+        'lottery.draw.interval_minutes' => 5,
+        'lottery.draw.buffer_draws_ahead' => 2,
+    ]);
+
+    $fixed = Carbon::parse('2026-05-25 11:00:00', 'UTC');
+    $lastId = Draw::query()->create([
+        'draw_no' => '20260525-120',
+        'business_date' => '2026-05-25',
+        'sequence_no' => 120,
+        'status' => DrawStatus::Settled->value,
+        'start_time' => Carbon::parse('2026-05-25 11:54:30', 'UTC'),
+        'close_time' => Carbon::parse('2026-05-25 11:59:30', 'UTC'),
+        'draw_time' => Carbon::parse('2026-05-25 12:00:00', 'UTC'),
+        'cooling_end_time' => null,
+        'result_source' => null,
+        'current_result_version' => 1,
+        'settle_version' => 1,
+        'is_reopened' => false,
+    ])->id;
+
+    app(DrawPlannerService::class)->ensureBuffer($fixed);
+
+    $next = Draw::query()->where('id', '>', $lastId)->orderBy('draw_time')->first();
+    expect($next)->not->toBeNull();
+    expect($next->draw_time?->utc()->format('Y-m-d H:i:s'))->toBe('2026-05-25 12:05:00');
+    expect($next->sequence_no)->toBe(121);
+});
+
+test('admin can manually create draw with custom timeline', function (): void {
+    Carbon::setTestNow(Carbon::parse('2026-05-25 08:00:00', 'UTC'));
+
+    $admin = AdminUser::query()->create([
+        'username' => 'draw_create_admin',
+        'name' => 'Draw Create Admin',
+        'email' => null,
+        'password' => Hash::make('secret-strong'),
+        'status' => 0,
+    ]);
+    grantSuperAdminRole($admin);
+    $token = $admin->createToken('test', ['*'], now()->addDay())->plainTextToken;
+
+    $this->withHeader('Authorization', 'Bearer '.$token)
+        ->postJson('/api/v1/admin/draws', [
+            'draw_time' => '2026-05-25 12:00:00',
+            'start_time' => '2026-05-25 11:55:00',
+            'close_time' => '2026-05-25 11:59:30',
+            'draw_no' => '20260525-901',
+        ])
+        ->assertCreated()
+        ->assertJsonPath('data.draw_no', '20260525-901')
+        ->assertJsonPath('data.status', DrawStatus::Pending->value);
+
+    $draw = Draw::query()->where('draw_no', '20260525-901')->first();
+    expect($draw)->not->toBeNull();
+    expect($draw->draw_time?->utc()->format('Y-m-d H:i:s'))->toBe('2026-05-25 12:00:00');
+
+    Carbon::setTestNow();
+});
+
+test('admin can update pending draw timeline', function (): void {
+    Carbon::setTestNow(Carbon::parse('2026-05-25 08:00:00', 'UTC'));
+
+    $admin = AdminUser::query()->create([
+        'username' => 'draw_update_admin',
+        'name' => 'Draw Update Admin',
+        'email' => null,
+        'password' => Hash::make('secret-strong'),
+        'status' => 0,
+    ]);
+    grantSuperAdminRole($admin);
+    $token = $admin->createToken('test', ['*'], now()->addDay())->plainTextToken;
+
+    $draw = Draw::query()->create([
+        'draw_no' => '20260525-902',
+        'business_date' => '2026-05-25',
+        'sequence_no' => 902,
+        'status' => DrawStatus::Pending->value,
+        'start_time' => Carbon::parse('2026-05-25 11:55:00', 'UTC'),
+        'close_time' => Carbon::parse('2026-05-25 11:59:30', 'UTC'),
+        'draw_time' => Carbon::parse('2026-05-25 12:00:00', 'UTC'),
+        'cooling_end_time' => null,
+        'result_source' => null,
+        'current_result_version' => 0,
+        'settle_version' => 0,
+        'is_reopened' => false,
+    ]);
+
+    $this->withHeader('Authorization', 'Bearer '.$token)
+        ->putJson('/api/v1/admin/draws/'.$draw->id, [
+            'draw_time' => '2026-05-25 13:00:00',
+            'start_time' => '2026-05-25 12:55:00',
+            'close_time' => '2026-05-25 12:59:30',
+        ])
+        ->assertOk()
+        ->assertJsonPath('data.draw_time', fn ($v) => str_contains((string) $v, '13:00'));
+
+    Carbon::setTestNow();
+});
+
+test('admin can destroy pending draw without bets', function (): void {
+    $admin = AdminUser::query()->create([
+        'username' => 'draw_destroy_admin',
+        'name' => 'Draw Destroy Admin',
+        'email' => null,
+        'password' => Hash::make('secret-strong'),
+        'status' => 0,
+    ]);
+    grantSuperAdminRole($admin);
+    $token = $admin->createToken('test', ['*'], now()->addDay())->plainTextToken;
+
+    $draw = Draw::query()->create([
+        'draw_no' => '20260525-903',
+        'business_date' => '2026-05-25',
+        'sequence_no' => 903,
+        'status' => DrawStatus::Pending->value,
+        'start_time' => now()->addHour(),
+        'close_time' => now()->addHours(2),
+        'draw_time' => now()->addHours(3),
+        'cooling_end_time' => null,
+        'result_source' => null,
+        'current_result_version' => 0,
+        'settle_version' => 0,
+        'is_reopened' => false,
+    ]);
+
+    $this->withHeader('Authorization', 'Bearer '.$token)
+        ->deleteJson('/api/v1/admin/draws/'.$draw->id)
+        ->assertOk()
+        ->assertJsonPath('data.deleted', true);
+
+    expect(Draw::query()->find($draw->id))->toBeNull();
+});
+
 test('admin can manually close open draw', function (): void {
     Carbon::setTestNow(Carbon::parse('2026-05-09 12:10:00', 'UTC'));
 
@@ -617,6 +752,7 @@ test('GET draw current returns open draw with seconds to close', function (): vo
 
     $this->getJson('/api/v1/draw/current')
         ->assertOk()
+        ->assertJsonPath('data.data.schedule_timezone', 'UTC')
         ->assertJsonPath('data.data.draw_no', '20260509-300')
         ->assertJsonPath('data.data.status', DrawStatus::Open->value)
         ->assertJsonPath('data.data.seconds_to_close', 60 * 60 - 30)
@@ -771,6 +907,50 @@ test('lottery hall-countdown dispatches draw.countdown when using reverb connect
     );
 });
 
+test('hall snapshot skips stale pending draw and picks next upcoming row', function (): void {
+    Carbon::setTestNow(Carbon::parse('2026-05-25 18:00:00', 'UTC'));
+
+    Draw::query()->create([
+        'draw_no' => '20260525-999',
+        'business_date' => '2026-05-25',
+        'sequence_no' => 999,
+        'status' => DrawStatus::Pending->value,
+        'start_time' => Carbon::parse('2026-05-25 17:32:00', 'UTC'),
+        'close_time' => Carbon::parse('2026-05-25 17:36:30', 'UTC'),
+        'draw_time' => Carbon::parse('2026-05-25 17:37:00', 'UTC'),
+        'cooling_end_time' => null,
+        'result_source' => null,
+        'current_result_version' => 0,
+        'settle_version' => 0,
+        'is_reopened' => false,
+    ]);
+
+    Draw::query()->create([
+        'draw_no' => '20260525-1006',
+        'business_date' => '2026-05-25',
+        'sequence_no' => 1006,
+        'status' => DrawStatus::Pending->value,
+        'start_time' => Carbon::parse('2026-05-25 18:07:00', 'UTC'),
+        'close_time' => Carbon::parse('2026-05-25 18:11:30', 'UTC'),
+        'draw_time' => Carbon::parse('2026-05-25 18:12:00', 'UTC'),
+        'cooling_end_time' => null,
+        'result_source' => null,
+        'current_result_version' => 0,
+        'settle_version' => 0,
+        'is_reopened' => false,
+    ]);
+
+    $target = app(DrawHallSnapshotBuilder::class)->resolveHallTarget(now()->utc());
+    expect($target)->not->toBeNull()
+        ->and($target->draw_no)->toBe('20260525-1006');
+
+    $payload = app(DrawHallSnapshotBuilder::class)->build(now()->utc());
+    expect($payload['draw_no'])->toBe('20260525-1006')
+        ->and($payload['seconds_to_start'])->toBeGreaterThan(0);
+
+    Carbon::setTestNow();
+});
+
 test('hall snapshot switches to next bettable draw when cooldown ended', function (): void {
     Carbon::setTestNow(Carbon::parse('2026-05-10 12:00:00', 'UTC'));