I'm writing a plugin and want my own store that just lets consumers subscribe via addChangeListener, but the…

I'm writing a plugin and want my own store that just lets consumers subscribe via addChangeListener, but the…: a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). Could we expose a lean BaseStore through PluginSDK that's basically just the change-listener part, and…