Use the pyrefly strict preset

The strict preset enables unused-ignore along with implicit-any,
missing-override-decorator and other checks.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

Author: adamtheturtle

pyproject.toml

@@ -405,7 +405,7 @@ plugins = [
 
 [tool.pyrefly]
 errors.non-exhaustive-match = "error"
-errors.unused-ignore = "error"
+preset = "strict"
 
 [tool.pyright]
 typeCheckingMode = "strict"