We can leave off the favored class if you like.
Treasure: Standard coins, double goods (gems only), standard items?
All they like to steal is gems, I guess. I'm not sure I want to decrease the items, but I could do half coins, triple goods (gems only), standard items as a compromise.
I'll go along with "curse of the hyenawere."
Tactics: Hyenaweres rarely pick a fair fight. Instead, they use their Befriend ability to lure individual, unaware victims into an ambush far from help. Hyenaweres prefer to attack in hyena form, but some members of a pack will often remain as humanoids in order to provide ranged attacks.
I can go with that. I often have awkward wording , and I wanted to work in some mention of the ranged weapons.