Does Kai'Sa really need to choose too early between DPS and dive?

Kai'Sa's most reliable build is the one that still leaves her the choice between continuing to DPS and diving to finish. If you lock her too early into one logic, you lose part of her real value.

When should you truly adapt Kai'Sa's build instead of following her standard hybrid line?

You should adapt Kai'Sa's build when she can no longer wait for the right moment to enter. If enemy burst, poke, or frontline make her timing too risky, you need to move up the safety or damage profile that keeps her plan playable.

Which enchant should Kai'Sa choose when the real issue is diving without losing the exit?

Stasis is often the most reliable choice when Kai'Sa can find the ultimate angle but risks dying right after. If the enchant lets her finish the entry without giving everything away at once, it has a lot of value.

Kai'Sa Wild Rift Best Build Guide (Patch 7.2a)

Kai'Sa Wild Rift Best Build Guide

Hybrid ADC build for calculated dives: Kai'Sa is valuable when she can first DPS from reasonable range, then choose the right moment to switch into aggressive execution. The build must therefore preserve that double life instead of locking her into one profile.