chore: bump version to 0.4.1

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: SummerOneTwo

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "autocode-mcp"
-version = "0.4.0"
+version = "0.4.1"
 description = "MCP Server for competitive programming problem creation, based on AutoCode paper"
 readme = "README.md"
 requires-python = ">=3.10"