Use absolute coin counts in perp-options points mode.

Treat 2:4 as 2 perp + 4 option coins instead of normalizing to 1:2, and disable embed page caching so hub iframe picks up trade UI updates.

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/test_hub_perp_options_calc_lib.py

@@ -125,6 +125,34 @@ class HubPerpOptionsCalcTests(unittest.TestCase):
         self.assertAlmostEqual(sw["max_loss_u"], 37.8, places=6)
         self.assertAlmostEqual(sw["net_u"], -37.8, places=6)
 
+    def test_points_absolute_2_to_4(self):
+        # 2:4 按绝对币数,不再归一成 1:2
+        data, err = calc_perp_options_points(
+            base="ETH",
+            spot=1800,
+            capital_usdt=3000,
+            target_profit_u=15,
+            perp_leverage=10,
+            option_leverage=100,
+            ratio_perp=2,
+            ratio_opt=4,
+            ct_mult=0.01,
+        )
+        self.assertIsNone(err)
+        assert data is not None
+        self.assertEqual(data["perp_coins"], 2.0)
+        self.assertEqual(data["opt_coins"], 4.0)
+        self.assertEqual(data["premium_total_u"], 72.0)
+        self.assertAlmostEqual(data["perp_margin_u"], 360.0, places=6)
+        expect_a = (15 + 72 + 2 * 1800 * 2 * 0.0005) / (2 * 0.9995)
+        self.assertAlmostEqual(data["case_a"]["move_points"], expect_a, places=6)
+        self.assertAlmostEqual(data["case_a"]["net_u"], 15.0, places=5)
+        self.assertAlmostEqual(data["case_b"]["move_points_portfolio"], 43.5, places=6)
+        self.assertAlmostEqual(data["case_b"]["portfolio_net_u"], 15.0, places=6)
+        sw = data["case_sideways"]
+        self.assertAlmostEqual(sw["fee_u"], 3.6, places=6)
+        self.assertAlmostEqual(sw["max_loss_u"], 75.6, places=6)
+
     def test_points_ratio_1_to_1_no_portfolio(self):
         data, err = calc_perp_options(
             calc_mode="points",