期期出场改盈亏比：达目标平盈利腿，亏损腿残值20%或到期平

将上/下破目标价替换为盈亏比(盈利金额/初始权利金，默认2)；残值平需买一流动性且权利金≤初始20%。

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

tests/test_hedge_plan_calc.py

@@ -102,20 +102,18 @@ class TestHedgePlanCalc(unittest.TestCase):
         a = {"opt_type": "C", "strike": 3300, "sheets": 1, "ct_mult": 0.01, "premium_paid": 5}
         b = {"opt_type": "P", "strike": 3100, "sheets": 1, "ct_mult": 0.01, "premium_paid": 5}
         p = build_options_options_preview(
-            target_price_up=3500,
-            target_price_down=3000,
+            profit_rr=2,
             index_px=3200,
             leg_a=a,
             leg_b=b,
         )
         self.assertEqual(p["summary"]["premium_paid"], 10)
         self.assertTrue(p["summary"]["expiry_is_loss"])
-        self.assertEqual(p["summary"]["rr_risk_premium"], 10)
-        self.assertIsNotNone(p["summary"]["rr_at_up"])
-        self.assertAlmostEqual(p["summary"]["rr_at_up"], p["summary"]["at_target_up_total"] / 10, places=4)
-        self.assertEqual(len(p["scenarios"]), 4)
-        self.assertEqual(p["scenarios"][0]["id"], "target_up")
-        self.assertEqual(p["scenarios"][1]["id"], "target_down")
+        self.assertEqual(p["summary"]["profit_rr"], 2)
+        self.assertEqual(p["summary"]["at_rr_a_full_total"], 5)  # 2*5 - 5
+        self.assertEqual(len(p["scenarios"]), 5)
+        self.assertEqual(p["scenarios"][0]["id"], "rr_leg_a_full")
+        self.assertEqual(p["scenarios"][1]["id"], "rr_leg_b_full")
 
     def test_oo_legacy_single_target_still_works(self):
         a = {"opt_type": "C", "strike": 3300, "sheets": 1, "ct_mult": 0.01, "premium_paid": 5}