[BUG] /btw help output shows escaped HTML entities instead of angle brackets

Description

Running /btw without arguments displays escaped HTML entities instead of raw angle brackets:

⎿  Usage: /btw <your question>

Expected output:

⎿  Usage: /btw <your question>

Steps to Reproduce

1. Open Claude Code CLI
2. Type /btw with no arguments and press Enter
3. Observe the usage hint

Expected Behavior

The usage text should display literal angle brackets: /btw <your question>

Actual Behavior

The usage text displays HTML entities: /btw <your question>

Environment

• Platform: Linux
• Shell: zsh