feat(kook): add eba adapter

src/langbot/pkg/platform/adapters/kook/errors.py

@@ -0,0 +1,13 @@
+from __future__ import annotations
+
+try:
+    from langbot_plugin.api.entities.builtin.platform.errors import NotSupportedError
+except ModuleNotFoundError:
+
+    class NotSupportedError(Exception):
+        def __init__(self, api_name: str, *args):
+            super().__init__(f"API '{api_name}' is not supported by this adapter", *args)
+            self.api_name = api_name
+
+
+__all__ = ['NotSupportedError']