bump version to v1.5.6.4

Author: beacoder

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "python-agent-harness"
-version = "1.5.6.3"
+version = "1.5.6.4"
 description = "A lightweight, hackable mini-OpenCode written in Python."
 authors = [
     {name = "Huming Chen", email = "chenhuming@gmail.com"}

python_agent_harness/__init__.py

@@ -7,7 +7,7 @@
 from .mcp.manager import MCPManager
 from .session.session import Session
 
-__version__ = "1.5.6.3"
+__version__ = "1.5.6.4"
 
 __all__ = [
     "Client",