## Question In `x/bank/keeper/keeper.go`, there are two TODO comments: ```go // TODO: return error on account.TrackDelegation vacc.TrackDelegation(sdkCtx.BlockHeader().Time, balance, amt) // TODO: return error on account.TrackDelegation vacc.TrackUndelegation(amt) ``` **What is the intended behavior?** Should I.. 1. Change the interface to return errors instead of panicking? 2. Keep current interface but add error handling in keeper? 3. Something else? ## Current Behavior - `TrackDelegation`/`TrackUndelegation` panic on invalid conditions - No error return values ## Impact - Interface change = breaking change - Requires updating all implementations and tests Please clarify the intended direction before implementation.