fix(function): fix strip_formatting function regex

[CapnRyna]

Description

fixes the strip_formatting function regex that caused strings with codeblock ticks to return a empty string and not trigger the is_harmful functions

Guidelines

• My code follows the style guidelines of this project (formatted with Ruff)

• I have performed a self-review of my own code

• I have commented my code, particularly in hard-to-understand areas

• I have made corresponding changes to the documentation if needed

• My changes generate no new warnings

• I have tested this change

• Any dependent changes have been merged and published in downstream modules

• I have added all appropriate labels to this PR

• I have followed all of these guidelines.

How Has This Been Tested? (if applicable)

locally hosted and tested in ATL's dev server

Summary by Sourcery

Fix strip_formatting to preserve text within Markdown code fences instead of removing it, ensuring harmful content detection triggers correctly for backtick-enclosed strings.

Bug Fixes:

• Update triple backtick regex to capture and retain inner content rather than drop entire block
• Adjust single backtick regex to preserve code content inside backticks instead of deleting it

[sourcery-ai]

Reviewer's Guide

This PR refines the strip_formatting function by updating the regex patterns used for triple and single backtick code blocks to capture and retain inner content instead of removing it entirely, ensuring strings with code block ticks are processed correctly by is_harmful functions.

Sequence Diagram: Impact of strip_formatting Fix on is_harmful Input

sequenceDiagram
    participant C as Caller
    participant SF as strip_formatting
    participant IH as is_harmful

    C->>SF: strip_formatting("Text with ```code_block``` and `inline_code`")
    activate SF
    Note right of SF: Regex updated to preserve content within ```...``` and `...`
    SF-->>C: "Text with code_block and inline_code"
    deactivate SF

    C->>IH: is_harmful("Text with code_block and inline_code")
    activate IH
    Note right of IH: Receives full content, including text previously stripped from code blocks
    IH-->>C: AssessmentResult
    deactivate IH

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File-Level Changes

Change	Details	Files
Updated regex for triple backtick code blocks to preserve inner content	Changed pattern from [\s\S]*? to (.*?) Replaced full removal with capturing group replacement	tux/utils/functions.py
Updated regex for single backtick code blocks to preserve inner content	Changed pattern from [^]+to([^]*) Replaced full removal with capturing group replacement	tux/utils/functions.py

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[sourcery-ai]

Hey @CapnRyna - I've reviewed your changes and they look great!

Here's what I looked at during the review

• 🟡 General issues: 1 issue found
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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[sourcery-ai]

nitpick: Update comment to reflect new behavior

Consider renaming to clarify that only triple backtick formatting is removed, not entire code blocks.