feat: implement encounter reset mechanics for rooms and doors

src/monster.py

@@ -180,6 +180,14 @@ class MonsterManager:
         for monster in self.monsters:
             monster.wake_up()
 
+    def reset_encounter(self) -> None:
+        """Stop the room attack and put all active monsters back into normal state."""
+
+        self.active_target_tile = None
+        self.active_door = None
+        for monster in self.monsters:
+            monster.sleep()
+
     def update(
         self,
         dt: float,