feat：物料存入数据库

app/api/materials.py

@@ -0,0 +1,19 @@
+"""前端物料目录接口"""
+
+from fastapi import APIRouter
+
+from app.common.response import ApiResponse, success_response
+from app.core.exceptions import BizException
+from app.resources.component import get_catalog_cache
+from app.schemas.component_resource import ComponentCatalog
+
+router = APIRouter(prefix="/materials", tags=["Material"])
+
+
+@router.get("")
+async def list_materials() -> ApiResponse[ComponentCatalog]:
+    # 直接返回启动时载入的内存缓存，不查库
+    catalog = get_catalog_cache()
+    if catalog is None:
+        raise BizException(503, "物料目录尚未加载")
+    return success_response(catalog)