fix: update test assertions and lint fixes for Starlette 1.0 TemplateResponse API

Update test mocks to check kwargs["context"] instead of positional
args[1] for tests that verify auth.py and base.py wrapper behavior.
Fix B026 lint error by avoiding star-arg after keyword argument.

Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>
Agent-Logs-Url: https://github.com/christianlouis/DocuElevate/sessions/7b5f7e0d-89ad-43be-b68d-a9c0c5407a7e

app/main.py

@@ -424,9 +424,7 @@ async def http_exception_handler(request: Request, exc: HTTPException):
     # For frontend routes, return appropriate HTML templates
     # Handle 404 errors with a custom template
     if exc.status_code == 404:
-        return _error_templates.TemplateResponse(
-            request, "404.html", status_code=status.HTTP_404_NOT_FOUND
-        )
+        return _error_templates.TemplateResponse(request, "404.html", status_code=status.HTTP_404_NOT_FOUND)
 
     # For other HTTP errors, we could create specific templates or use a generic one
     # For now, return a simple error page