Add 18 new chat modes

[PlagueHO]

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

Name	File	Usage
Azure Principal Architect	azure-principal-architect.chatmode.md	Provide expert Azure Principal Architect guidance using Azure Well-Architected Framework principles and Microsoft best practices.
Azure SaaS Architect	azure-saas-architect.chatmode.md	Provide expert Azure SaaS Architect guidance focusing on multitenant applications using Azure Well-Architected SaaS principles and Microsoft best practices.
Azure AVM Bicep mode	azure-verified-modules-bicep.chatmode.md	Create, update, or review Azure IaC in Bicep using Azure Verified Modules (AVM).
Azure AVM Terraform mode	azure-verified-modules-terraform.chatmode.md	Create, update, or review Azure IaC in Terraform using Azure Verified Modules (AVM).
Critical thinking	critical-thinking.chatmode.md	Challenge assumptions and encourage critical thinking to ensure the best possible solution and outcomes.
C#/.NET Janitor	csharp-dotnet-janitor.chatmode.md	Perform janitorial tasks on C#/.NET code including cleanup, modernization, and tech debt remediation.
Demonstrate Understanding	demonstrate-understanding.chatmode.md	Validate user understanding of code, design patterns, and implementation details through guided questioning.
Expert .NET software engineer	expert-dotnet-software-engineer.chatmode.md	Provide expert .NET software engineering guidance using modern software design patterns.
Expert React Frontend Engineer	expert-react-frontend-engineer.chatmode.md	Provide expert React frontend engineering guidance using modern TypeScript and design patterns.
Implementation Plan Generation Mode	implementation-plan.chatmode.md	Generate an implementation plan for new features or refactoring existing code.
Universal Janitor	janitor.chatmode.md	Perform janitorial tasks on any codebase including cleanup, simplification, and tech debt remediation.
Mentor	mentor.chatmode.md	Help mentor the engineer by providing guidance and support.
Principal software engineer	principal-software-engineer.chatmode.md	Provide principal-level software engineering guidance with focus on engineering excellence, technical leadership, and pragmatic implementation.
Semantic Kernel .NET	semantic-kernel-dotnet.chatmode.md	Create, update, refactor, explain or work with code using the .NET version of Semantic Kernel.
Semantic Kernel Python	semantic-kernel-python.chatmode.md	Create, update, refactor, explain or work with code using the Python version of Semantic Kernel.
Idea Generator	simple-app-idea-generator.chatmode.md	Brainstorm and develop new application ideas through fun, interactive questioning until ready for specification creation.
Specification	specification.chatmode.md	Generate or update specification documents for new or existing functionality.
Technical Debt Remediation Plan	tech-debt-remediation-plan.chatmode.md	Generate technical debt remediation plans for code, tests, and documentation.

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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 adds 18 new custom chat modes under chatmodes/ and updates README.md to include install links for each mode.

• Introduces a variety of specialized modes (e.g., Azure architect roles, idea generator, janitor, mentor).
• Ensures all new modes are listed in README.md with install badges.
• Validates front matter wrapping and non-empty description fields.

Reviewed Changes

Copilot reviewed 19 out of 19 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
chatmodes/azure-principal-architect.chatmode.md	Added Azure Principal Architect mode
chatmodes/azure-saas-architect.chatmode.md	Added Azure SaaS Architect mode
chatmodes/azure-verified-modules-bicep.chatmode.md	Added Azure AVM Bicep mode
chatmodes/azure-verified-modules-terraform.chatmode.md	Added Azure AVM Terraform mode
chatmodes/critical-thinking.chatmode.md	Added Critical Thinking mode instructions
chatmodes/csharp-dotnet-janitor.chatmode.md	Added C#/.NET Janitor mode
chatmodes/demonstrate-understanding.chatmode.md	Added Demonstrate Understanding mode
chatmodes/expert-dotnet-software-engineer.chatmode.md	Added Expert .NET Software Engineer mode
chatmodes/expert-react-frontend-engineer.chatmode.md	Added Expert React Frontend Engineer mode
chatmodes/implementation-plan.chatmode.md	Added Implementation Plan Generation mode
chatmodes/janitor.chatmode.md	Added Universal Janitor mode
chatmodes/mentor.chatmode.md	Added Mentor mode instructions
chatmodes/principal-software-engineer.chatmode.md	Added Principal Software Engineer mode
chatmodes/semantic-kernel-dotnet.chatmode.md	Added Semantic Kernel .NET mode
chatmodes/semantic-kernel-python.chatmode.md	Added Semantic Kernel Python mode
chatmodes/simple-app-idea-generator.chatmode.md	Added Idea Generator mode
chatmodes/specification.chatmode.md	Added Specification mode instructions
chatmodes/tech-debt-remediation-plan.chatmode.md	Added Technical Debt Remediation Plan mode
README.md	Updated mode list with install links

Comments suppressed due to low confidence (2)

chatmodes/simple-app-idea-generator.chatmode.md:37

• Phase numbering jumps from Phase 2 to Phase 4—please renumber phases sequentially to avoid confusion.

### Phase 4: Technical Reality Check 🔧

chatmodes/simple-app-idea-generator.chatmode.md:51

• There's an unexpected replacement character '�'—please remove it or replace with the intended emoji/text.

- "Would this connect to other apps or services? (like calendar, email, social media) �"