feat(auth): add Casbin RBAC and user activity tracking

Integrate Casbin for role-based access control with admin routes for role management. Add user activity logging service to track login and refresh events. Refactor audit service to use AI-based content moderation.

internal/wire/provider_set.go

@@ -5,6 +5,7 @@ import "github.com/google/wire"
 // AllSet 包含所有 Provider Set
 var AllSet = wire.NewSet(
 	InfrastructureSet,
+	CasbinSet,
 	RepositorySet,
 	ServiceSet,
 	HandlerSet,