fix: remove MCP application-level authorization

tests/test_config.py

@@ -1,6 +1,3 @@
-import pytest
-from pydantic import ValidationError
-
 from app.config import Settings
 
 
@@ -14,8 +11,3 @@ def test_numeric_crawl_limit_is_parsed():
     settings = Settings(crawl_limit="25")
 
     assert settings.crawl_limit == 25
-
-
-def test_mcp_auth_mode_rejects_oauth_or_token_fallback():
-    with pytest.raises(ValidationError):
-        Settings(mcp_auth_mode="oauth_or_token")