Summary: Claude Code adds SlashCommand tool

Why It Matters: This lets Claude Code use its own slash commands. This makes the tool more powerful.

What Changed:

• A new version, v1.0.123, was added.
• Bash permission rules now work with output redirections.
• Thinking mode no longer triggers on "don't think" phrases.
• Rendering performance during token streaming was fixed.
• A new SlashCommand tool was added, letting Claude invoke slash commands.
• BashTool environment snapshot logging was improved.
• A bug was fixed where headless mode conversations would sometimes enable thinking unnecessarily.
• Debug logging was moved to a file for easier viewing.
• The previous v1.0.120 entry was moved down in the list.