Refactor case management links and add case list item partial for improved organization and rendering in collection detail view

atlas/views.py

@@ -1151,7 +1151,25 @@ def add_case_to_collection(request, collection_id):
 
         print(case)
         collection.add_case(case)
-        return HttpResponse(f"Case added to collection {collection.name} (refresh to see)")
+        # Render the new case list item and return it so HTMX can append it
+        try:
+            casedetail = collection.casedetail_set.get(case=case)
+        except Exception:
+            return HttpResponse("Case added, but could not render item.")
+
+        total = collection.casedetail_set.count()
+        can_edit = request.user.is_superuser or collection.author.filter(pk=request.user.pk).exists()
+        rendered = render_to_string(
+            "atlas/partials/case_list_item.html",
+            {
+                "casedetail": casedetail,
+                "collection": collection,
+                "forloop": {"counter": total, "counter0": max(0, total - 1)},
+                "can_edit": can_edit,
+            },
+            request=request,
+        )
+        return HttpResponse(rendered)
 
     # if request.method == "POST":
 
@@ -4215,6 +4233,11 @@ def remove_case_from_collection(request, case_pk, collection_pk):
     # Remove the case from the collection
     collection.cases.remove(case)
     
+    # If this was an HTMX request, return an empty response so the caller
+    # can swap out (remove) the surrounding element (e.g., the <li>).
+    if request.htmx:
+        return HttpResponse("")
+
     return HttpResponse(f"Case removed from collection: {collection.name}")