rebuild(stage-7): deliver ladder and sector rotation

next/backend/features/market/routes.py

@@ -10,6 +10,7 @@ from backend.features.market.schemas import (
     MarketSummaryResponse,
     MarketWorkspaceResponse,
     ReferenceSyncResponse,
+    RotationMembersResponse,
     SearchResponse,
     SnapshotSyncResponse,
     TradeContextResponse,
@@ -75,9 +76,22 @@ def workspace(
     request: Request,
     _principal: AuthenticatedPrincipal,
     key: Annotated[
-        Literal["emotion", "pool", "broken", "limit-down", "yesterday", "performance"],
+        Literal[
+            "emotion", "pool", "broken", "limit-down", "yesterday", "performance",
+            "ladder", "rotation",
+        ],
         Path(),
     ],
     requested_date: Annotated[str | None, Query(alias="date")] = None,
 ) -> dict:
     return request.app.state.container.market.workspace(key, requested_date)
+
+
+@router.get("/rotation-members", response_model=RotationMembersResponse)
+def rotation_members(
+    request: Request,
+    _principal: AuthenticatedPrincipal,
+    sector_name: Annotated[str, Query(alias="sector", min_length=1, max_length=60)],
+    requested_date: Annotated[str | None, Query(alias="date")] = None,
+) -> dict:
+    return request.app.state.container.market.rotation_members(sector_name, requested_date)