fix: keep stock previews current and clarify member access

tests/test_frontend_contract.py

@@ -72,6 +72,21 @@ class FrontendContractTests(unittest.TestCase):
         for label in prohibited:
             self.assertNotIn(label, self.script)
 
+    def test_stock_hover_preview_always_uses_latest_market_context(self):
+        start = self.script.index("async function showStockPreview")
+        end = self.script.index("function renderStockPreviewLoading", start)
+        preview_loader = self.script[start:end]
+        self.assertIn('const cacheKey = `${code}:latest`;', preview_loader)
+        self.assertIn('/preview`', preview_loader)
+        self.assertNotIn("trade_date", preview_loader)
+        self.assertNotIn("elements.tradeDate.value", preview_loader)
+
+    def test_membership_copy_includes_review_assistant_access(self):
+        self.assertIn("复盘助手仅对会员开放", self.script)
+        self.assertIn("智能选股、问师、问天、复盘助手等智能功能", self.html)
+        self.assertIn("自选股、复盘记录与交易日志", self.html)
+        self.assertIn("每日智能分析额度", self.html)
+
 
 if __name__ == "__main__":
     unittest.main()