feat(channel): 渠道管理系统 — 多模式定价 + 统一计费解析

Cherry-picked from release/custom-0.1.106: a9117600

backend/internal/handler/wire.go

@@ -33,6 +33,7 @@ func ProvideAdminHandlers(
 	tlsFingerprintProfileHandler *admin.TLSFingerprintProfileHandler,
 	apiKeyHandler *admin.AdminAPIKeyHandler,
 	scheduledTestHandler *admin.ScheduledTestHandler,
+	channelHandler *admin.ChannelHandler,
 ) *AdminHandlers {
 	return &AdminHandlers{
 		Dashboard:             dashboardHandler,
@@ -59,6 +60,7 @@ func ProvideAdminHandlers(
 		TLSFingerprintProfile: tlsFingerprintProfileHandler,
 		APIKey:                apiKeyHandler,
 		ScheduledTest:         scheduledTestHandler,
+		Channel:               channelHandler,
 	}
 }
 
@@ -150,6 +152,7 @@ var ProviderSet = wire.NewSet(
 	admin.NewTLSFingerprintProfileHandler,
 	admin.NewAdminAPIKeyHandler,
 	admin.NewScheduledTestHandler,
+	admin.NewChannelHandler,
 
 	// AdminHandlers and Handlers constructors
 	ProvideAdminHandlers,