iso-kl-figure: scaffold + smoke test passing

pyproject.toml

@@ -0,0 +1,36 @@
+[project]
+name = "iso-kl-figure"
+version = "0.0.1"
+description = "Minimal repo: produce one figure + one table proving iso-KL calibration is stable across models/seeds/windows."
+readme = "README.md"
+requires-python = ">=3.11"
+dependencies = [
+    "torch>=2.1",
+    "numpy>=1.26",
+    "einops>=0.7",
+    "jaxtyping>=0.2.34",
+    "safetensors>=0.5",
+    "loguru>=0.7",
+    "tqdm>=4.66",
+]
+
+[project.optional-dependencies]
+test = ["pytest", "tabulate", "beartype>=0.18"]
+hf = ["accelerate>=1.6", "transformers>=4.51"]
+plot = ["matplotlib>=3.8", "polars>=1.0"]
+all = [
+    "pytest", "tabulate", "beartype>=0.18",
+    "accelerate>=1.6", "transformers>=4.51",
+    "matplotlib>=3.8", "polars>=1.0",
+    "tyro>=0.9",
+]
+
+[build-system]
+requires = ["setuptools>=68"]
+build-backend = "setuptools.build_meta"
+
+[tool.setuptools.packages.find]
+where = ["src"]
+
+[tool.ruff.lint]
+ignore = ["F722"]  # jaxtyping shape strings