Add /cht — Chat Persistence for Claude Code

/cht provides 13 slash commands + hooks for persisting Claude Code conversations as local markdown files.

Key features:

• Crash-proof auto-save via hooks
• Project-based chat organization
• Full conversation context loading
• Offline-readable markdown

Links:

• GitHub: https://github.com/kosoukhov/cht-cli
• npm: https://www.npmjs.com/package/@kosoukhov/cht-cli