feat: add Pyramid home dashboard

backend/app/worldquant.py

@@ -312,6 +312,33 @@ class WqClient:
     async def profile(self):
         return await self.get("/users/self")
 
+    async def get_pyramid_multipliers(self):
+        """Return current Pyramid multipliers using the shared authenticated session."""
+        return await self.get("/users/self/activities/pyramid-multipliers")
+
+    async def get_pyramid_alphas(self, start_date=None, end_date=None):
+        """Return distribution for optional ISO dates; only missing routes trigger fallback.
+
+        Paths mirror the cnhk adapter. Access denial, authentication and network
+        failures must retain their meaning instead of trying unrelated routes.
+        """
+        params = {}
+        if start_date is not None:
+            params["startDate"] = start_date
+        if end_date is not None:
+            params["endDate"] = end_date
+        for path in (
+            "/users/self/activities/pyramid-alphas",
+            "/users/self/pyramid/alphas",
+            "/activities/pyramid-alphas",
+        ):
+            try:
+                return await self.get(path, params=params)
+            except WqError as exc:
+                if exc.code != "not_found":
+                    raise
+        raise WqError("当前账户的 Pyramid 分布接口不可用", "not_found")
+
     async def account_usage(self):
         """Read independent account resources; unavailable sections do not hide the profile."""
         from .account_data import usage_snapshot