feat(core): scaffold core structure and api typing

pyproject.toml

@@ -9,6 +9,12 @@ authors = [
 requires-python = ">=3.13"
 dependencies = []
 
+[dependency-groups]
+dev = [
+    "ruff>=0.16.7",
+    "ty>=0.0.80",
+]
+
 [build-system]
 requires = ["uv_build>=0.11.14,<0.12.0"]
 build-backend = "uv_build"
@@ -34,8 +40,6 @@ skip-magic-trailing-comma = true
 [tool.ruff.lint.isort]
 split-on-trailing-comma = false
 
-[dependency-groups]
-dev = [
-    "ruff>=0.15.20",
-    "ty>=0.0.55",
-]
+[tool.pyright]
+venvPath = "."
+venv = ".venv"