display war,campaign,round menu

src/warchron/constants.py

@@ -0,0 +1,14 @@
+from enum import StrEnum
+
+from PyQt6.QtCore import Qt
+
+# --- Tree / Table roles ---
+ROLE_TYPE = Qt.ItemDataRole.UserRole
+ROLE_ID = Qt.ItemDataRole.UserRole + 1
+
+# --- Domain object types ---
+class ItemType(StrEnum):
+    PLAYER = "player"
+    WAR = "war"
+    CAMPAIGN = "campaign"
+    ROUND = "round"