Stash work!

Assets/Scripts/UI/CardSystem/DragDrop/BoosterPackDraggable.cs

@@ -88,11 +88,44 @@ namespace UI.CardSystem.DragDrop
         {
             base.OnDragEndedHook();
             
-            // Optionally trigger open when dropped in specific zones
-            if (canOpenOnDrop)
+            // Find closest slot and assign to it (replaces removed auto-slotting from base class)
+            SlotContainer[] containers = FindObjectsByType<SlotContainer>(FindObjectsSortMode.None);
+            DraggableSlot closestSlot = null;
+            float closestDistance = float.MaxValue;
+            
+            // Get position (handle both overlay and world space canvas)
+            Vector3 myPosition = (RectTransform != null && 
+                                  GetComponentInParent<Canvas>()?.renderMode == RenderMode.ScreenSpaceOverlay)
+                ? RectTransform.position
+                : transform.position;
+            
+            // Find closest slot among all containers
+            foreach (var container in containers)
             {
-                // Could check if dropped in an "opening zone"
-                // For now, just a placeholder
+                DraggableSlot slot = container.FindClosestSlot(myPosition, this);
+                if (slot != null)
+                {
+                    Vector3 slotPosition = slot.RectTransform != null ? slot.RectTransform.position : slot.transform.position;
+                    float distance = Vector3.Distance(myPosition, slotPosition);
+                    if (distance < closestDistance)
+                    {
+                        closestDistance = distance;
+                        closestSlot = slot;
+                    }
+                }
+            }
+            
+            // Assign to closest slot if found
+            if (closestSlot != null)
+            {
+                Logging.Debug($"[BoosterPackDraggable] Drag ended, assigning to closest slot: {closestSlot.name}");
+                AssignToSlot(closestSlot, true);
+            }
+            else if (CurrentSlot != null)
+            {
+                // No valid slot found, return to current slot
+                Logging.Debug($"[BoosterPackDraggable] No valid slot found, snapping back to current slot");
+                AssignToSlot(CurrentSlot, true);
             }
         }