chore: bump to v0.4.13

Author: pankaj4u4m

pyproject.toml

@@ -9,7 +9,7 @@ conflicts = [
 
 [project]
 name = "atelier"
-version = "0.4.12"
+version = "0.4.13"
 description = "Agent Reasoning Runtime — reusable procedures, failure rescue, and rubric verification for coding and product agents."
 readme = "README.md"
 requires-python = ">=3.13,<3.14"