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vesslctl ships with completion scripts for bash, zsh, fish, and PowerShell. The fastest way to enable completion is to let vesslctl completion install detect your shell and place the script in the standard location.

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completion install

Detect the current shell from $SHELL and write the completion script to the appropriate path. The command is idempotent — re-run it whenever you upgrade vesslctl.
Supported shells: bash, zsh, and fish. For PowerShell, use the manual setup below. Default install paths: After installing, open a new terminal, or reload your shell config in place (for example, source ~/.zshrc or source ~/.bashrc). For zsh, if your ~/.zshrc does not yet include the completions directory, the installer prints the snippet you need to add:

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completion bash | zsh | fish | powershell

Print a completion script for the requested shell to stdout. Use this when you want to manage the script location yourself.
Manual setup examples:
Argument and flag values benefit from completion too — once enabled, pressing Tab after --cluster, --resource-spec, --org, or a workspace/job slug prompts for the live values from your current org and team.