chore: format the whole tree and lint the scratch measurement scripts; CI has been red since 25ae4b4

CI runs ruff format --check and ruff check over the whole repository; 29 files had drifted from the formatter and
four measurement scripts carried lint findings, so every push since 25ae4b4 failed before pytest ran.

Co-Authored-By: Claude Fable 5.1 <[email protected]>

src/openultrasast/semantic/facts.py

@@ -16,6 +16,7 @@ from ..source import canonical_language
 
 DEFAULT_FACTS_DIR = Path(__file__).resolve().parents[1] / "ruleset" / "semantic"
 
+
 class FactLoadError(ValueError):
     """Raised when semantic fact files are missing or invalid."""