new apps.epic.tests.integrated.test_views.PickRolesViewTest.test_pick_roles_idempotent_no_duplicate seats passes w. duplicate no-op post ensures single line addition to apps.epic.views.pick_roles prevents ea. position from drawing twice ea. turn during Role Select phase at table; new assertions in FTs.test_room_role_select.RoleSelectChannelsTest.test_turn_passes_after_selection for same

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

@@ -501,6 +501,12 @@ class PickRolesViewTest(TestCase):
             self.client.post(reverse("epic:pick_roles", kwargs={"room_id": self.room.id}))
             mock_notify.assert_called_once_with(self.room.id)
 
+    def test_pick_roles_idempotent_no_duplicate_seats(self):
+        url = reverse("epic:pick_roles", kwargs={"room_id": self.room.id})
+        self.client.post(url)
+        self.client.post(url)  # second call must be a no-op
+        self.assertEqual(TableSeat.objects.filter(room=self.room).count(), 6)
+
 
 class SelectRoleViewTest(TestCase):
     def setUp(self):

src/apps/epic/views.py

@@ -407,7 +407,7 @@ def select_role(request, room_id):
 def pick_roles(request, room_id):
     if request.method == "POST":
         room = Room.objects.get(id=room_id)
-        if room.gate_status == Room.OPEN:
+        if room.gate_status == Room.OPEN and room.table_status is None:
             room.table_status = Room.ROLE_SELECT
             room.save()
             for slot in room.gate_slots.filter(status=GateSlot.FILLED).order_by("slot_number"):