feat(cli): support cow cli

cli/cli.py

@@ -0,0 +1,27 @@
+"""CowAgent CLI entry point."""
+
+import click
+from cli import __version__
+from cli.commands.skill import skill
+from cli.commands.process import start, stop, restart, status, logs
+from cli.commands.context import context
+
+
+@click.group()
+@click.version_option(__version__, '--version', '-v', prog_name='cow')
+def main():
+    """CowAgent CLI - Manage your CowAgent instance."""
+    pass
+
+
+main.add_command(skill)
+main.add_command(start)
+main.add_command(stop)
+main.add_command(restart)
+main.add_command(status)
+main.add_command(logs)
+main.add_command(context)
+
+
+if __name__ == '__main__':
+    main()