/buddy slash command no longer available — returns 'Unknown skill: buddy'

Description

The /buddy slash command is no longer available. When typing /buddy in the CLI, it returns:

Unknown skill: buddy

The companion configuration in ~/.claude.json is still intact:

"companion": {
    "name": "Kiln",
    "personality": "...",
    "hatchedAt": 1775270975495
}

Expected behavior

/buddy should invoke the companion (Buddy/Kiln) as it did before.

Environment

• Claude Code version: 2.1.97
• OS: Ubuntu 24.04 LTS (on ESXi VM)
• Shell: bash (via tmux)

Steps to reproduce

1. Open Claude Code CLI
2. Type /buddy
3. Get Unknown skill: buddy error

Additional context

The companion was previously working and configured via ~/.claude.json. It's unclear which version removed or renamed this command.