feat: rebuild math life around marks and directed endings

backend/common/test_frontend_assets.py

@@ -165,3 +165,18 @@ def test_contest_统一玩家池并提供三种实时玩法():
     assert "state.matchMode = button.dataset.matchMode" in app
     assert "difficultySelect" not in games
     assert "body: { game_kind: state.matchMode }" in realtime
+
+
+def test_math_life_使用独立界面印记面板且清理交叉点():
+    template = (settings.BASE_DIR / "templates" / "index.html").read_text(encoding="utf-8")
+    app = (STATIC_ROOT / "js" / "app.js").read_text(encoding="utf-8")
+    styles = (STATIC_ROOT / "css" / "app.css").read_text(encoding="utf-8")
+
+    assert 'id="story-experience"' in template
+    assert 'id="story-mark-list"' in template
+    assert "数学人生交叉点" not in template
+    assert "<circle " not in template
+    assert '$("#story-experience").classList.remove("hidden")' in app
+    assert "function renderStoryMarks(run)" in app
+    assert "choice.special" in app
+    assert ".story-experience { position: fixed; inset: 0" in styles