启动器新增游戏设置页（频道开关+活动开关），窗口标题改名

- 服务端新增活动开关运行时配置与 GM 接口（GET/POST /dnf/gm/activity-switches），
  持久化到 Settings，接入月签到/周签到/PC房↔累计在线的实时下发
- 服务端新增频道开关 GM 接口（channel-switches），目录生成时过滤禁用频道
- channelcatalog/channelinfo 支持按禁用频道 ID 过滤目录与客户端脚本
- 启动器新增「游戏设置」页面：频道开关 Tab + 活动开关 Tab
- native.py/server.py 新增对应转发 API
- 窗口标题/页面 title/侧边栏「90轮回」统一改为「DNF90 灵狐小竹整合单机版」

server/internal/services/dnfbridge/service.go

@@ -284,6 +284,16 @@ type Service struct {
 	gmFatigueMode    string
 	gmBurningEnabled bool
 	gmGameplaySettingsAt                  time.Time
+	// gmActivitySwitches 是活动开关的运行时缓存（见 gm_activity_switches.go）。
+	gmActivitySwitchesMu    sync.Mutex
+	gmActivitySwitchesReady bool
+	gmActivitySwitches      map[string]bool
+	gmActivitySwitchesAt    time.Time
+	// gmChannelSwitches 是频道开关（禁用频道 ID 集合）的运行时缓存（见 gm_channel_switches.go）。
+	gmChannelSwitchesMu    sync.Mutex
+	gmChannelSwitchesReady bool
+	gmChannelSwitches      map[int]bool
+	gmChannelSwitchesAt    time.Time
 	automaticRobotAppearanceMu            sync.Mutex
 	automaticRobotAvatarConfig            *currentAvatarFittingRoomConfig
 	automaticRobotAvatarLoadErr           error
@@ -1015,17 +1025,40 @@ func (s *Service) loadChannelAssets() (*channelcatalog.Catalog, []byte, error) {
 	if err != nil {
 		return nil, nil, fmt.Errorf("parse dnf channel info: %w", err)
 	}
-	catalog, err := channelcatalog.New(index, channelcatalog.Options{ServerID: s.channelServerID()})
+	disabled := s.loadDisabledChannelIDs()
+	catalog, err := channelcatalog.New(index, channelcatalog.Options{
+		ServerID:    s.channelServerID(),
+		DisabledIDs: disabled,
+	})
 	if err != nil {
 		return nil, nil, err
 	}
-	script, err := s.buildChannelScript(raw)
+	script, err := s.buildChannelScriptFiltered(raw, disabled)
 	if err != nil {
 		return nil, nil, fmt.Errorf("build 90CN online channel script: %w", err)
 	}
 	return catalog, script, nil
 }
 
+// loadDisabledChannelIDs 读取已持久化的禁用频道集合。启动时 Settings 未就绪或读失败
+// 时返回 nil（视为无禁用频道），不阻塞服务启动。
+func (s *Service) loadDisabledChannelIDs() map[int]bool {
+	if s == nil {
+		return nil
+	}
+	repositories, ok := s.repositoryGroup()
+	if !ok || repositories.Settings == nil {
+		return nil
+	}
+	ctx, cancel := context.WithTimeout(context.Background(), createWriteTimeout)
+	defer cancel()
+	record, found, err := repositories.Settings.Load(ctx, gmChannelSwitchesScope)
+	if err != nil || !found {
+		return nil
+	}
+	return gmDisabledChannelIDsFromRecord(record, true)
+}
+
 func (s *Service) buildChannelScript(raw []byte) ([]byte, error) {
 	if s.channelTableStrict() {
 		return channelinfo.Build90CNOnlineScript(