fix: 淘汰判定改直接读预计算表(2y/10y)——不再依赖已废弃的内存缓存,读表毫秒级

server.py

@@ -730,16 +730,10 @@ def api_research_strategies():
                 _elim_reason = None
                 try:
                     _b2, _b10 = _get_benchmarks()
-                    if _b2 is not None and _b10 is not None and pt in ('2y', '10y'):
-                        _r2 = _regime_winrates if pt == '2y' else None
-                        _r10 = _regime_winrates if pt == '10y' else None
-                        # 缓存里拿另一周期（命中才判定，未命中本轮跳过）
-                        _slots_c = _regime_winrates_cache.get("slots") or {}
-                        if _r2 is None and ('2y' in _slots_c):
-                            _r2 = _slots_c['2y'][1]
-                        if _r10 is None and ('10y' in _slots_c):
-                            _r10 = _slots_c['10y'][1]
-                        if _r2 is not None and _r10 is not None:
+                    if _b2 is not None and _b10 is not None:
+                        # 读表拿 2y/10y 温区数据（毫秒级，数据加工层预计算）
+                        _r2 = _compute_regime_winrates_cached('2y', _approx_regime_universality)
+                        _r10 = _compute_regime_winrates_cached('10y', _approx_regime_universality)
                         _v2 = _r2.get(s['version']) or {}
                         _v10 = _r10.get(s['version']) or {}
                         if _v2 and _v10: