feat(channel-monitor-v2): 接入模式开关、路由门控与依赖注入

注册 admin/user 路由与 feature/mode 守卫，串联 Wire DI 与设置读写，
公开 channel_monitor_mode 与 hide_throughput 等运行时标志。

backend/internal/handler/admin/setting_handler.go

@@ -370,7 +370,9 @@ func (h *SettingHandler) GetSettings(c *gin.Context) {
 		PaymentAlipayMobilePrecreateDeepLink:                   paymentCfg.AlipayMobilePrecreateDeepLink,
 
 		ChannelMonitorEnabled:                settings.ChannelMonitorEnabled,
+		ChannelMonitorMode:                   settings.ChannelMonitorMode,
 		ChannelMonitorDefaultIntervalSeconds: settings.ChannelMonitorDefaultIntervalSeconds,
+		ChannelMonitorHideThroughput:         settings.ChannelMonitorHideThroughput,
 
 		AvailableChannelsEnabled: settings.AvailableChannelsEnabled,
 

backend/internal/handler/admin/setting_handler_update.go

@@ -327,8 +327,10 @@ type UpdateSettingsRequest struct {
 	PaymentAlipayMobilePrecreateDeepLink *bool `json:"payment_alipay_mobile_precreate_deep_link"`
 
 	// Channel Monitor feature switch
-	ChannelMonitorEnabled                *bool `json:"channel_monitor_enabled"`
-	ChannelMonitorDefaultIntervalSeconds *int  `json:"channel_monitor_default_interval_seconds"`
+	ChannelMonitorEnabled                *bool   `json:"channel_monitor_enabled"`
+	ChannelMonitorMode                   *string `json:"channel_monitor_mode"`
+	ChannelMonitorDefaultIntervalSeconds *int    `json:"channel_monitor_default_interval_seconds"`
+	ChannelMonitorHideThroughput         *bool   `json:"channel_monitor_hide_throughput"`
 
 	// Available Channels feature switch (user-facing)
 	AvailableChannelsEnabled *bool `json:"available_channels_enabled"`
@@ -1854,12 +1856,24 @@ func (h *SettingHandler) UpdateSettings(c *gin.Context) {
 			}
 			return previousSettings.ChannelMonitorEnabled
 		}(),
+		ChannelMonitorMode: func() string {
+			if req.ChannelMonitorMode != nil {
+				return *req.ChannelMonitorMode
+			}
+			return previousSettings.ChannelMonitorMode
+		}(),
 		ChannelMonitorDefaultIntervalSeconds: func() int {
 			if req.ChannelMonitorDefaultIntervalSeconds != nil {
 				return *req.ChannelMonitorDefaultIntervalSeconds
 			}
 			return previousSettings.ChannelMonitorDefaultIntervalSeconds
 		}(),
+		ChannelMonitorHideThroughput: func() bool {
+			if req.ChannelMonitorHideThroughput != nil {
+				return *req.ChannelMonitorHideThroughput
+			}
+			return previousSettings.ChannelMonitorHideThroughput
+		}(),
 		AvailableChannelsEnabled: func() bool {
 			if req.AvailableChannelsEnabled != nil {
 				return *req.AvailableChannelsEnabled
@@ -2291,7 +2305,9 @@ func (h *SettingHandler) UpdateSettings(c *gin.Context) {
 		PaymentAlipayMobilePrecreateDeepLink:                   updatedPaymentCfg.AlipayMobilePrecreateDeepLink,
 
 		ChannelMonitorEnabled:                updatedSettings.ChannelMonitorEnabled,
+		ChannelMonitorMode:                   updatedSettings.ChannelMonitorMode,
 		ChannelMonitorDefaultIntervalSeconds: updatedSettings.ChannelMonitorDefaultIntervalSeconds,
+		ChannelMonitorHideThroughput:         updatedSettings.ChannelMonitorHideThroughput,
 
 		AvailableChannelsEnabled: updatedSettings.AvailableChannelsEnabled,
 

backend/internal/handler/dto/settings.go

@@ -300,8 +300,10 @@ type SystemSettings struct {
 	AccountQuotaNotifyEmails        []NotifyEmailEntry `json:"account_quota_notify_emails"`
 
 	// Channel Monitor feature switch
-	ChannelMonitorEnabled                bool `json:"channel_monitor_enabled"`
-	ChannelMonitorDefaultIntervalSeconds int  `json:"channel_monitor_default_interval_seconds"`
+	ChannelMonitorEnabled                bool   `json:"channel_monitor_enabled"`
+	ChannelMonitorMode                   string `json:"channel_monitor_mode"`
+	ChannelMonitorDefaultIntervalSeconds int    `json:"channel_monitor_default_interval_seconds"`
+	ChannelMonitorHideThroughput         bool   `json:"channel_monitor_hide_throughput"`
 
 	// Available Channels feature switch (user-facing aggregate view)
 	AvailableChannelsEnabled bool `json:"available_channels_enabled"`
@@ -398,8 +400,10 @@ type PublicSettings struct {
 	BalanceLowNotifyThreshold   float64 `json:"balance_low_notify_threshold"`
 	BalanceLowNotifyRechargeURL string  `json:"balance_low_notify_recharge_url"`
 
-	ChannelMonitorEnabled                bool `json:"channel_monitor_enabled"`
-	ChannelMonitorDefaultIntervalSeconds int  `json:"channel_monitor_default_interval_seconds"`
+	ChannelMonitorEnabled                bool   `json:"channel_monitor_enabled"`
+	ChannelMonitorMode                   string `json:"channel_monitor_mode"`
+	ChannelMonitorDefaultIntervalSeconds int    `json:"channel_monitor_default_interval_seconds"`
+	ChannelMonitorHideThroughput         bool   `json:"channel_monitor_hide_throughput"`
 
 	AvailableChannelsEnabled bool `json:"available_channels_enabled"`
 

backend/internal/handler/handler.go

@@ -53,6 +53,7 @@ type Handlers struct {
 	Subscription     *SubscriptionHandler
 	Announcement     *AnnouncementHandler
 	ChannelMonitor   *ChannelMonitorUserHandler
+	ChannelMonitorV2 *ChannelMonitorV2Handler
 	Admin            *AdminHandlers
 	Gateway          *GatewayHandler
 	OpenAIGateway    *OpenAIGatewayHandler

backend/internal/handler/setting_handler.go

@@ -103,7 +103,9 @@ func (h *SettingHandler) GetPublicSettings(c *gin.Context) {
 		BalanceLowNotifyRechargeURL:      settings.BalanceLowNotifyRechargeURL,
 
 		ChannelMonitorEnabled:                settings.ChannelMonitorEnabled,
+		ChannelMonitorMode:                   settings.ChannelMonitorMode,
 		ChannelMonitorDefaultIntervalSeconds: settings.ChannelMonitorDefaultIntervalSeconds,
+		ChannelMonitorHideThroughput:         settings.ChannelMonitorHideThroughput,
 
 		AvailableChannelsEnabled: settings.AvailableChannelsEnabled,
 

backend/internal/handler/wire.go

@@ -175,6 +175,7 @@ func ProvideHandlers(
 	subscriptionHandler *SubscriptionHandler,
 	announcementHandler *AnnouncementHandler,
 	channelMonitorUserHandler *ChannelMonitorUserHandler,
+	channelMonitorV2Handler *ChannelMonitorV2Handler,
 	adminHandlers *AdminHandlers,
 	gatewayHandler *GatewayHandler,
 	openaiGatewayHandler *OpenAIGatewayHandler,
@@ -199,6 +200,7 @@ func ProvideHandlers(
 		Subscription:     subscriptionHandler,
 		Announcement:     announcementHandler,
 		ChannelMonitor:   channelMonitorUserHandler,
+		ChannelMonitorV2: channelMonitorV2Handler,
 		Admin:            adminHandlers,
 		Gateway:          gatewayHandler,
 		OpenAIGateway:    openaiGatewayHandler,
@@ -225,6 +227,7 @@ var ProviderSet = wire.NewSet(
 	NewSubscriptionHandler,
 	NewAnnouncementHandler,
 	NewChannelMonitorUserHandler,
+	NewChannelMonitorV2Handler,
 	ProvideGatewayHandler,
 	ProvideOpenAIGatewayHandler,
 	NewTotpHandler,