Adds the ability to switch between Claude Code accounts with a single command:
gt account switch <handle>
The command:
1. Detects current account by checking ~/.claude symlink target
2. If ~/.claude is a real directory, moves it to the current account config_dir
3. Removes existing ~/.claude symlink (if any)
4. Creates symlink from ~/.claude to target account config_dir
5. Updates default account in accounts.json
6. Prints confirmation with restart reminder
Handles edge cases:
- Already on target account (no-op with message)
- Target account does not exist (error with list of valid accounts)
- ~/.claude is real directory (first-time setup scenario)
Closes gt-jd8m1
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
