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We present the updated open-source code Complete History ofInteraction-Powered Supernovae (CHIPS) that can be applied to modelingsupernovae (SNe) arising from an interaction with massive circumstellar medium(CSM) as well as the formation process of the CSM. Our update mainly concernswith extensions to hydrogen-poor SNe from stripped progenitors, targetingmodeling of interaction-powered SNe Ibc such as Type Ibn and Icn SNe. Wesuccessfully reproduce the basic properties of the light curves of these typesof SNe that occur after partial eruption of the outermost layer with a mass of$0.01$--$0.1\,M_\odot$ at $\lesssim 1$ year before explosion. We also find thatthe luminosity of the observed precursors can be naturally explained by theoutburst that creates the dense CSM, given that the energy of the outburst isefficiently dissipated by collision with an external material, possiblygenerated by a previous mass eruption. We discuss possible scenarios causingeruptive mass-loss based on our results.

Simulating Hydrogen-poor Interaction-Powered Supernovae with CHIPS