Miscellaneous Options

--install-completion

Install shell tab-completion support for this CLI tool.

After running, restart your shell to activate it.

Optional Add-on (specify shell):
- bash
- zsh
- fish
- powershell
Example:
```
duosubs --install-completion`bash
```

--show-completion

Show shell completion script for the current shell (without installing).

Useful for manual integration or debugging.

Example:
```
duosubs --show-completion
```

--help

Show help message and exit.

It can also be used with merge and launch-webui commands.

Examples:
```
duosubs --help
```
```
duosubs launch-webui --help
```
```
duosubs merge --help
```