Couple outside the box thoughts –
1.
Try to keep an elevation advantage when possible
2.
Knowing your eagle is a target, mixing in a single spear and baiting the enemy scout towards it can be viable
3.
You can make an additional eagle but it is slow to train
4.
You being able to heal your scout is helpful, but by the time it takes effect your scouting info is primarily coming from any aggression you’re putting on
5.
Just because the enemy starts to fight you doesn’t mean you NEED to commit to the fight.
You can absolutely run towards the rest of your army.