How Do You Differentiate Between a True Volume Imbalance Fill and Structural Breakdown?

When price returns to fill a volume imbalance or a low-volume gap on the 3-minute chart, it can either respect the imbalance level or push straight through into a deeper retracement. What lower-timeframe confirmations—such as a Change of Character (ChoCh) or liquidity sweep—do you wait for before taking a position?