Function handle_switch_command 

pub fn handle_switch_command(alias_name: Option<&str>) -> Result<()>

Handle configuration switching command

Processes the switch subcommand to switch Claude API configuration:

• None: Enter interactive selection mode
• “cc”: Launch Claude without custom environment variables (default behavior)
• Other alias: Launch Claude with the specified configuration’s environment variables

After switching, displays the current URL and automatically launches Claude CLI

Arguments

• alias_name - Optional name of configuration to switch to, or “cc” for default

Errors

Returns error if configuration is not found or Claude CLI fails to launch