Crafting stations, strongboxes and bags

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

app.py

@@ -108,7 +108,7 @@ def player_view(world: dict, player: dict, now: float) -> dict:
     view["levels"] = {skill: game.skill_level(player, skill) for skill in game.SKILL_IDS}
     view["slots"] = game.bank_slots(world, player)
     view["slots_used"] = game.slots_used(world, player)
-    view["stack"] = game.stack_size(world)
+    view["stack"] = game.stack_size(world, player)
     view["power"] = game.combat_power(player)
     me = game.fighter(player, game.blessing(player), game.potion_effect(player, "combat"))
     view["fighter"] = {"max_hit": me["max_hit"], "accuracy": round(me["accuracy"]), "evasion": me["evasion"],
@@ -429,6 +429,16 @@ class Handler(BaseHTTPRequestHandler):
         return "Not found"
 
     def equip(self, player: dict, item: str | None, slot: str | None) -> str | None:
+        # A smaller strongbox or bag can't go on while the bank holds more than it would.
+        world = self.store.world
+        over, bank, equip = game.overfull(world, player), dict(player["bank"]), dict(player["equip"])
+        error = self._equip(player, item, slot)
+        if not error and game.overfull(world, player) > max(0, over):
+            player["bank"], player["equip"] = bank, equip
+            return "Bank too full for that"
+        return error
+
+    def _equip(self, player: dict, item: str | None, slot: str | None) -> str | None:
         if item is None:
             if slot not in player["equip"]:
                 return "No such slot"