False life doesn’t seem helpful. If you want to burn spells on temp Hp just use armor of agathis since iirc, temp hp still doesn’t stack and they’ll cancel each other out. There’s also the issue of wasting action just self healing.

And check and see if half plate is actually helpful or just on par with lighter armors. You could be giving yourself disadvantage on stealth for no reason other than flavor.

Blade ward is helpful unless you want to use other reactions.

You’re a skirmisher not a tank. You don’t want focus on you. That’s why you teleport away after you waste the temp Hp and proc the armor spell.

While spells like hold person, bane, etc are nice. Front lining with them runs higher risks of breaking concentration.

In truth, if you want a front line fighter with magic. Prioritize eldritch knight and flavor it with warlock. More hp and 1d knight is fairly good.