Initial lightweight AI agent admin

backend/app/schemas/common.py

@@ -0,0 +1,22 @@
+from typing import Any, Generic, TypeVar
+
+from pydantic import BaseModel
+
+T = TypeVar("T")
+
+
+class ResponseModel(BaseModel):
+    success: bool = True
+    message: str = "ok"
+    data: Any | None = None
+
+
+class Page(BaseModel, Generic[T]):
+    items: list[T]
+    total: int
+    page: int
+    page_size: int
+
+
+class IdsIn(BaseModel):
+    ids: list[str]