updated .fa-ban icon to update via js & ws; changed taken_roles (or its cognates) everywhere to starter_roles, as 'taken' will be used in respect to roles thru-out entire game, not just this seat-determining phase of Role Select; patched up chosen cards not disappearing upon previous gamer choice, & a try,except that catches attempts to select one anyway w. a 409 & optimistic card rollback; new IT confirms this 409

src/apps/epic/tests/integrated/test_views.py

@@ -593,14 +593,20 @@ class SelectRoleViewTest(TestCase):
         self.assertEqual(response.status_code, 302)
         self.assertIn("/accounts/login/", response.url)
 
-    def test_select_role_redirects_to_room(self):
+    def test_select_role_returns_ok(self):
         response = self.client.post(
             reverse("epic:select_role", kwargs={"room_id": self.room.id}),
             data={"role": "PC"},
         )
-        self.assertRedirects(
-            response, reverse("epic:gatekeeper", args=[self.room.id])
+        self.assertEqual(response.status_code, 200)
+
+    def test_select_role_returns_409_for_duplicate_role(self):
+        TableSeat.objects.filter(room=self.room, slot_number=2).update(role="BC")
+        response = self.client.post(
+            reverse("epic:select_role", kwargs={"room_id": self.room.id}),
+            data={"role": "BC"},
         )
+        self.assertEqual(response.status_code, 409)
 
 
 class RevealPhaseRenderingTest(TestCase):