style: apply ruff format across the repository

ruff format was never run repo-wide; CI now enforces 'ruff format --check', so normalize every module once. No behavior changes.

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/test_meta_tools_geometry.py

@@ -13,6 +13,7 @@ pytestmark = pytest.mark.asyncio
 # point_intersection
 # ---------------------------------------------------------------------------
 
+
 class TestPointIntersection:
     async def test_line_line_perpendicular(self, backend):
         """Horizontal and vertical lines cross at (50, 50)."""
@@ -91,6 +92,7 @@ class TestPointIntersection:
 # point_tangent
 # ---------------------------------------------------------------------------
 
+
 class TestPointTangent:
     async def test_tangent_from_outside(self, backend):
         """From (0, 0) to unit circle at (5, 0): tangent point is at (25/5, ±12/5)."""