How Do You Use the 1-Hour / 3-Minute Multi-Timeframe Alignment for High-Probability Entries?

Establishing a directional bias on the 1-hour chart and executing on the 3-minute timeframe requires precise timing to avoid entering inside noisy lower-timeframe retracements. Do you enter as soon as a 3-minute Change of Character (ChoCh) occurs, or do you strictly wait for price to retest a 3-minute Fair Value Gap in alignment with your 1-hour bias?