fix: fetch dataset scope options from WorldQuant platform

backend/app/ai/tools.py

@@ -6,7 +6,7 @@ from typing import Literal
 from pydantic import Field
 
 from ..backtests.contracts import ControlInput, PreviewInput, RerunInput, StartInput
-from ..catalog.contracts import UNIVERSES, CatalogFilters, Scope
+from ..catalog.contracts import CatalogFilters, Scope
 from ..research.contracts import (
     ChatboxResearchInput,
     InputPageArgs,
@@ -105,7 +105,7 @@ class BacktestRerunArgs(BacktestRunArgs):
 
 
 CATALOG = {
-    "get_catalog_scopes": (EmptyArgs, "读取本版支持的研究范围组合，不表示账户已获平台权限。"),
+    "get_catalog_scopes": (EmptyArgs, "从平台读取当前账户可用的研究范围组合。"),
     "search_catalog": (
         CatalogSearchArgs,
         "分页查询本地目录。省略 dataset_id 查询数据集；提供 dataset_id 查询其字段、类型和完整集合版本。无缓存时说明需在数据集页同步，不编造字段。",
@@ -200,11 +200,13 @@ def bounded(value):
     return value
 
 
-async def read_tool(business, name, args):
+async def read_tool(business, name, args, platform_client=None):
     from datetime import timezone
 
     if name == "get_catalog_scopes":
-        data = {"universes": UNIVERSES, "instrument_type": "EQUITY", "delays": [0, 1]}
+        from ..catalog.platform import platform_options
+
+        data = await platform_options(platform_client)
     elif name == "search_catalog":
         data = await business.catalog.search(args.filters, args.dataset_id)
         data.update(
@@ -271,6 +273,8 @@ async def read_tool(business, name, args):
         if isinstance(data, list):
             data = {"items": data[:20]}
     data["_meta"] = ResultMetadata(observed_at=datetime.now(timezone.utc)).model_dump(mode="json")
+    if name == "get_catalog_scopes":
+        data["_meta"]["source"] = "worldquant_platform"
     return bounded(data)