Enhance exam take functionality to support HX-Redirect for HTMX clients, ensuring full navigation experience

physics/views.py

@@ -282,10 +282,21 @@ def exam_take(request, pk: int, sk: int, cid: str | None = None, passcode: str |
                 return exam_take_fragment(request, pk=pk, sk=pos - 1, cid=cid, passcode=passcode)
             return redirect(take_url, sk=pos - 1, **kwargs)
         elif "finish" in request.POST:
-            # The overview is a full page; always navigate to the overview
-            # URL rather than returning an HTMX fragment. This ensures a
-            # consistent full-page overview experience (and prevents the
-            # overview HTML from being swapped into the question container).
+            # The overview is a full page. For HTMX clients, instruct the
+            # browser to perform a full navigation by returning an HX-Redirect
+            # header (htmx will set window.location). For non-HTMX clients,
+            # perform a normal redirect.
+            if is_htmx:
+                try:
+                    url = reverse(finish_url, kwargs=kwargs)
+                except Exception:
+                    # Fallback: build a simple redirect response
+                    resp = HttpResponse()
+                    resp["HX-Redirect"] = ""
+                    return resp
+                resp = HttpResponse()
+                resp["HX-Redirect"] = url
+                return resp
             return redirect(finish_url, **kwargs)
         elif "save" in request.POST:
             # Save action should not trigger a full-page load for HTMX clients.