Weapon styles: warhammer, sword and shield, staff, bow; trophies in recipes

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

app.py

@@ -409,6 +409,13 @@ class Handler(BaseHTTPRequestHandler):
         problem = game.equip_problem(player, item)
         if problem:
             return problem
+        shield = player["equip"].get("shield")
+        if spec.get("two_handed") and shield:
+            # Both hands on the weapon: the shield goes back to the bank.
+            if game.bank_room(self.store.world, player, shield) < 1:
+                return "No room in the bank for your shield"
+            player["bank"][shield] = player["bank"].get(shield, 0) + 1
+            player["equip"]["shield"] = None
         game.bank_take(player, item, 1)
         current = player["equip"][spec["slot"]]
         if current: