feat: add unified contest pool and realtime game modes

backend/contest/admin.py

@@ -34,7 +34,7 @@ class ContestAdmin(admin.ModelAdmin):
 class ContestAttemptAdmin(admin.ModelAdmin):
     list_display = ("id", "user", "contest", "status", "score", "duration_ms", "started_at")
     list_filter = ("status", "contest__kind", "contest__track")
-    readonly_fields = ("started_at", "submitted_at")
+    readonly_fields = ("question_order", "started_at", "submitted_at")
 
 
 @admin.register(CheatFlag)
@@ -72,13 +72,14 @@ class RealtimeMatchAdmin(admin.ModelAdmin):
         "id",
         "contest",
         "match_type",
+        "game_kind",
         "challenge_code",
         "player_one",
         "player_two",
         "status",
         "created_at",
     )
-    list_filter = ("match_type", "status", "contest__track")
+    list_filter = ("match_type", "game_kind", "status", "contest__track")
     search_fields = (
         "challenge_code",
         "player_one__username",
@@ -94,6 +95,7 @@ class MathGameAttemptAdmin(admin.ModelAdmin):
         "id",
         "user",
         "kind",
+        "match",
         "difficulty",
         "status",
         "score",