A retest of previous resistance on the daily chart combined with a strong bullish candle movement (an engulfing candle) is an intriguing setup. The observation of RSI Divergence at these levels serves as a significant indicator for a potential reversal.
Regarding the recent deviation from the PRZ zone of the crab pattern on AUDUSD, it seems it hasn't reached the HOP (Harmonic Optimal Price) level before reversing. This deviation could be a point of interest for observation on the H4 chart.
Your decision to take an aggressive shorting opportunity due to the attractive profit factor is noted. However, as you rightly mentioned, managing risk is crucial in such trades. Wishing you success in your trade management and strategy execution!