Add thing type detail page and move functionality

- Add thing type detail page showing hierarchical structure and things
- Add move to box functionality on thing detail page
- Fix add things form to only show items in current box
- Update thumbnails to 50x50 on box detail page
- Make thing names linkable on box detail page

Bump container version to 0.026

boxes/views.py

@@ -2,7 +2,7 @@ from django.http import HttpResponse, JsonResponse
 from django.shortcuts import get_object_or_404, redirect, render
 
 from .forms import ThingFormSet
-from .models import Box, Thing
+from .models import Box, Thing, ThingType
 
 
 def index(request):
@@ -27,7 +27,21 @@ def thing_detail(request, thing_id):
         Thing.objects.select_related('thing_type', 'box', 'box__box_type'),
         pk=thing_id
     )
-    return render(request, 'boxes/thing_detail.html', {'thing': thing})
+    
+    boxes = Box.objects.select_related('box_type').all().order_by('id')
+    
+    if request.method == 'POST':
+        new_box_id = request.POST.get('new_box')
+        if new_box_id:
+            new_box = get_object_or_404(Box, pk=new_box_id)
+            thing.box = new_box
+            thing.save()
+            return redirect('thing_detail', thing_id=thing.id)
+    
+    return render(request, 'boxes/thing_detail.html', {
+        'thing': thing,
+        'boxes': boxes,
+    })
 
 
 def search(request):
@@ -65,7 +79,7 @@ def add_things(request, box_id):
     success_message = None
     
     if request.method == 'POST':
-        formset = ThingFormSet(request.POST)
+        formset = ThingFormSet(request.POST, queryset=Thing.objects.filter(box=box))
         
         if formset.is_valid():
             things = formset.save(commit=False)
@@ -77,12 +91,30 @@ def add_things(request, box_id):
                     created_count += 1
             if created_count > 0:
                 success_message = f'Added {created_count} thing{"s" if created_count > 1 else ""} successfully.'
-            formset = ThingFormSet()
+            formset = ThingFormSet(queryset=Thing.objects.filter(box=box))
     else:
-        formset = ThingFormSet()
+        formset = ThingFormSet(queryset=Thing.objects.filter(box=box))
     
     return render(request, 'boxes/add_things.html', {
         'box': box,
         'formset': formset,
         'success_message': success_message,
     })
+
+
+def thing_type_detail(request, type_id):
+    """Display details of a thing type with its hierarchy and things."""
+    thing_type = get_object_or_404(ThingType, pk=type_id)
+    
+    descendants = thing_type.get_descendants(include_self=True)
+    things_by_type = {}
+    
+    for descendant in descendants:
+        things = descendant.things.select_related('box', 'box__box_type').all()
+        if things:
+            things_by_type[descendant] = things
+    
+    return render(request, 'boxes/thing_type_detail.html', {
+        'thing_type': thing_type,
+        'things_by_type': things_by_type,
+    })