Bump version to 0.2.2

Author: JerryLife

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "llm-dna"
-version = "0.2.1"
+version = "0.2.2"
 description = "Extract LLM DNA vectors — low-dimensional representations that capture functional behavior and model evolution."
 authors = [{ name = "LLM-DNA Project" }]
 license = { file = "LICENSE" }