Kill an agent, removing its worktree and state
Usage:
fracta kill <name> [flags]
Flags:
-h, --help help for kill
--keep-files keep the worktree files after killing the agent
Global Flags:
--client-mode string control-plane client mode: 'auto' (default), 'local' (host-side orchestrator), 'remote' (in-cluster CP API)
--config string path to fracta.yaml config file (default: <root>/fracta.yaml)
--root string project root directory (default: current directory)

