chore: bump mytoolkit to 0.2.0 and read --version from package metadata

Align with xiaohe wheel deploy so VPS installs carry a clear package version.

mytoolkit/cli.py

@@ -21,8 +21,17 @@ from mytoolkit.commands.completion_install import ensure_completions_installed
 from mytoolkit.commands.self_mgmt import update_cmd, uninstall_cmd
 
 
+def _cli_version() -> str:
+    try:
+        from importlib.metadata import version
+
+        return version("mytoolkit")
+    except Exception:
+        return "0.2.0"
+
+
 @click.group()
-@click.version_option(version="0.1.0", prog_name="mytoolkit")
+@click.version_option(version=_cli_version(), prog_name="mytoolkit")
 def cli():
     """Personal CLI toolkit."""
     pass

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "mytoolkit"
-version = "0.1.0"
+version = "0.2.0"
 description = "Personal CLI toolkit"
 requires-python = ">=3.9"
 dependencies = [