Update 4.1-Beast.chatmode.md

[jamesmontemagno]

Pull Request Checklist

• I have read and followed the CONTRIBUTING.md guidelines.
• My contribution adds a new instruction, prompt, or chat mode file in the correct directory.
• The file follows the required naming convention.
• The content is clearly structured and follows the example format.
• I have tested my instructions, prompt, or chat mode with GitHub Copilot.
• I have run node update-readme.js and verified that README.md is up to date.

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Description

Fixes #47

Type of Contribution

• New instruction file.
• New prompt file.
• New chat mode file.
• Other (please specify):

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Additional Notes

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By submitting this pull request, I confirm that my contribution abides by the Code of Conduct and will be licensed under the MIT License.

[Copilot]

Pull Request Overview

This PR updates the 4.1 Beast Mode chat mode by simplifying its front matter and overhauling the internal agent workflow instructions.

• Simplified front matter: replaced title with a concise description and expanded the tools list.
• Replaced detailed step-by-step guidelines with a streamlined workflow and concise tool-usage instructions.