[BUG] Fable 5 triggers on regex keywords. Pathetic implementation

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

<img width="965" height="313" alt="Image" src="https://github.com/user-attachments/assets/e360ba33-9ca5-4614-96f5-7986fba6fa3f" />

<img width="993" height="1124" alt="Image" src="https://github.com/user-attachments/assets/4ad128a4-a9bc-43c3-8a13-027afc7f35c0" />

I proved it by simple writing in a question about sql injection... in the web browsers... thats how useless fable 5 is... what a fucking joke...

What Should Happen?

I should be able to talk about anything.

Error Messages/Logs

Steps to Reproduce

1. Write any prompt containing ANY sast keyword and watch the shitty regex filter trigger...

Claude Model

None

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

2.1.198

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_