Show trading playbook in hub strategy docs.

Add an 执行手册 tab that renders docs/交易执行手册-期权与Gate.md as the default strategy view.

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

tests/test_hub_strategy_lib.py

@@ -12,10 +12,19 @@ from lib.hub.hub_strategy_lib import (
 
 
 class TestHubStrategyLib(unittest.TestCase):
-    def test_meta_has_three_exchanges(self):
+    def test_meta_has_playbook_and_exchanges(self):
         meta = strategy_meta_payload()
         keys = [x["key"] for x in meta["exchanges"]]
-        self.assertEqual(keys, ["binance", "okx", "gate"])
+        self.assertEqual(keys, ["playbook", "binance", "okx", "gate"])
+
+    def test_load_playbook_payload(self):
+        p = load_strategy_payload("playbook")
+        self.assertTrue(p["ok"])
+        self.assertEqual(p["label"], "执行手册")
+        self.assertIn("交易执行手册", p["md_source"])
+        self.assertIn("strategy_html", p)
+        self.assertIn("<h2", p["strategy_html"].lower())
+        self.assertIn("总原则", p["strategy_html"])
 
     def test_load_binance_payload(self):
         p = load_strategy_payload("binance")