When you use a skill and a Reaction glyph applies, does the glyph resolve before or after the skill?

Question

Accepted Answer

Before, per the designer's ruling on KEY-48: choose the skill the glyph is on, then you may activate the glyph, and only then resolve the chosen skill.

Arydia: The Paths We Dare Tread

When you use a skill and a Reaction glyph applies, does the glyph resolve before or after the skill?