fix(auth): satisfy oauth query CI checks

Author: go165

src/mcp/client/auth/oauth2.py

@@ -9,7 +9,7 @@
 import secrets
 import string
 import time
-from collections.abc import AsyncGenerator, Awaitable, Callable
+from collections.abc import AsyncGenerator, Awaitable, Callable, Mapping
 from dataclasses import dataclass, field
 from typing import Any, Protocol
 from urllib.parse import parse_qsl, quote, urlencode, urljoin, urlparse, urlunparse
@@ -54,7 +54,7 @@
 logger = logging.getLogger(__name__)
 
 
-def build_authorization_url(auth_endpoint: str, auth_params: dict[str, str]) -> str:
+def build_authorization_url(auth_endpoint: str, auth_params: Mapping[str, str | None]) -> str:
     """Append OAuth authorization parameters to an endpoint that may already include query params."""
     parsed_endpoint = urlparse(auth_endpoint)
     query_params = [

tests/interaction/auth/test_authorize_token.py

@@ -341,6 +341,7 @@ async def test_scope_is_selected_from_the_www_authenticate_challenge_over_prm_me
     assert json.loads(register.content)["scope"] == "from-header"
 
 
+@requirement("client-auth:resource-parameter")
 async def test_authorization_endpoint_existing_query_params_are_preserved() -> None:
     """Authorization metadata endpoints may include provider-required query params."""
     provider = InMemoryAuthorizationServerProvider()