Remove finished work orders

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

game.py

@@ -2285,6 +2285,16 @@ def cancel_order(world: dict, player: dict, order_id, now: float) -> str | None:
     return None
 
 
+def remove_orders(world: dict, player: dict, order_id=None) -> str | None:
+    """Clear your finished orders: one, or all of them. Ones still holding items for your bank stay."""
+    gone = [o for o in world["orders"] if o["by"] == player["id"] and o["status"] != "open" and not o["held"]
+            and order_id in (None, o["id"])]
+    if not gone:
+        return "No such order"
+    world["orders"] = [o for o in world["orders"] if o not in gone]
+    return None
+
+
 def claim_order(world: dict, player: dict, order_id, claim: bool = True) -> str | None:
     order = order_by_id(world, order_id)
     if not order or order["status"] != "open" or order["kind"] != "craft":