fix: suppress misleading "Game X of 7" on future-date playoff cards

FUT games from the score API carry the current seriesStatus, not the
anticipated state, so all future games in a series computed the same
game number. Skip the summary for FUT games; badges and blurbs still
render.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

tests/test_playoff_series.py

@@ -181,6 +181,10 @@ class TestSeriesSummary:
         )
         assert series_summary(game) == "Game 2 of 7"
 
+    def test_fut_game_suppresses_summary(self):
+        game = make_playoff_game(top_wins=1, bottom_wins=1, game_state="FUT")
+        assert series_summary(game) == ""
+
 
 class TestIsPinned:
     def test_game7_live_is_pinned(self):