Strengthen Design/Implement boundary and add explicit Subject & Scope to all prompts#25

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copilot/update-prompt-templates-readme

Commits on Dec 13, 2025

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Update design.prompt.md with Subject & Scope, artifact-focused style, and strengthen prohibitions

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Update implement, increment, and improve prompts with Subject & Scope and STOP reinforcements

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Break up long sentence in README for better readability

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Fix formatting issues: indentation, spacing, and long line

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Address final nitpicks: terminology consistency and line length

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