BundleMaster is a Unity asset management system for handling AssetBundles with synchronous/asynchronous loading, reference counting, and hot-update capabilities. The architecture consists of core runtime components (BundleMasterRuntime/), platform-specific adapters (WebGL, Nintendo Switch), editor tools for configuration and building, and utility systems for threading and cryptography. Key entry points include AssetComponent.Load()/LoadAsync() for asset loading, AssetComponent.Initialize() for bundle setup, and AssetComponent.Update() for maintenance. The system manages asset lifecycles through reference counting and periodic unloading pools, supports encrypted/obfuscated asset bundles, and provides editor workflows for building asset bundles with version tracking.