From 0b2c73b2a6dfcbf2c44566364e41c8b79b536e3d Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 13 Nov 2025 20:16:17 +0000
Subject: [PATCH 1/4] Initial plan


From 4506e6e4b71d407dd5a0c4803285315ea98023b9 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 13 Nov 2025 20:23:58 +0000
Subject: [PATCH 2/4] Add Copilot PR review configuration files

Co-authored-by: hemarina <104857065+hemarina@users.noreply.github.com>
---
 .github/COPILOT_COMPARISON.md    | 229 +++++++++++++++++++++++++++++++
 .github/COPILOT_REVIEW_SETUP.md  | 125 +++++++++++++++++
 .github/PULL_REQUEST_TEMPLATE.md |  36 +++++
 .github/copilot-instructions.md  |  23 ++++
 cli/azd/.vscode/cspell.yaml      |   9 ++
 5 files changed, 422 insertions(+)
 create mode 100644 .github/COPILOT_COMPARISON.md
 create mode 100644 .github/COPILOT_REVIEW_SETUP.md
 create mode 100644 .github/PULL_REQUEST_TEMPLATE.md

diff --git a/.github/COPILOT_COMPARISON.md b/.github/COPILOT_COMPARISON.md
new file mode 100644
index 00000000000..d502a2994d7
--- /dev/null
+++ b/.github/COPILOT_COMPARISON.md
@@ -0,0 +1,229 @@
+# Comparison: Azure-dev vs Microsoft/MCP Copilot Configuration
+
+This document provides a detailed comparison of GitHub Copilot configurations between the `Azure/azure-dev` and `microsoft/mcp` repositories.
+
+## Summary Table
+
+| Feature | azure-dev | microsoft/mcp | Status |
+|---------|-----------|---------------|--------|
+| **copilot-instructions.md** | ✅ Comprehensive (242 lines) | ✅ Concise (~50 lines) | ✅ Enhanced |
+| **copilot-setup-steps.yml** | ✅ Exists (56 lines) | ❌ Not present | ✅ Already configured |
+| **PULL_REQUEST_TEMPLATE.md** | ❌ Not present → ✅ Created | ✅ Exists | ✅ Implemented |
+| **event-processor.yml** | ❌ Not present | ✅ Exists (handles PR triage) | ⚠️ Different approach |
+| **event-processor.config** | ❌ Not present | ✅ Exists (PR triage rules) | ⚠️ Different approach |
+| **COPILOT_REVIEW_SETUP.md** | ❌ Not present → ✅ Created | ❌ Not present | ✅ New addition |
+| **Repository rulesets** | 📝 To be configured | ✅ Likely configured | 📝 Documented |
+
+## Detailed Comparison
+
+### 1. copilot-instructions.md
+
+#### azure-dev
+**Before:**
+- **Length**: 242 lines
+- **Focus**: Comprehensive Go development guidelines
+- **Content areas**:
+  - Core architecture overview (IoC container, dependency injection, command architecture)
+  - Code standards (formatting, linting, copyright headers)
+  - Development workflow (build, test)
+  - Repository structure
+  - Critical development patterns (DI registration, action implementation, middleware)
+  - Testing approach (table-driven tests, snapshot testing)
+  - Azure integration patterns
+  - Changelog update workflow (detailed, step-by-step)
+- **PR guidelines**: ❌ Not present
+
+**After:**
+- **Length**: ~270 lines
+- **Added sections**:
+  - General Coding Guidelines (build, test, DI, context propagation)
+  - Pull Request Guidelines (comprehensive checklist)
+  - Security review requirements
+- **Improvements**: Better structured for Copilot to understand expectations for PR reviews
+
+#### microsoft/mcp
+- **Length**: ~50 lines
+- **Focus**: Concise C# development guidelines
+- **Content areas**:
+  - C# coding standards (primary constructors, System.Text.Json, AOT safety)
+  - Build requirements (always run `dotnet build`)
+  - Engineering system scripts
+  - Pull Request Guidelines (includes Copilot-specific instructions)
+  - Changelog requirements
+- **PR guidelines**: ✅ Includes specific Copilot PR body template with livetest trigger instructions
+
+**Key Differences:**
+- **azure-dev**: More comprehensive, architecture-focused, suitable for complex Go CLI
+- **microsoft/mcp**: More concise, focused on coding patterns, includes Copilot-specific PR instructions
+- **Trade-offs**: azure-dev provides better onboarding but is longer; mcp is quicker to parse
+
+### 2. copilot-setup-steps.yml
+
+#### azure-dev
+- **Status**: ✅ Exists
+- **Purpose**: Set up environment for GitHub Copilot coding agent
+- **Features**:
+  - Triggered on workflow changes and manual dispatch
+  - Fetches full git history for changelog writing
+  - Sets up Go 1.25+
+  - Sets up Node.js 20
+  - Installs golangci-lint v2.6.0
+  - Installs cspell 8.13.1
+  - Installs Terraform
+- **Job name**: `copilot-setup-steps` (required for Copilot to detect)
+
+#### microsoft/mcp
+- **Status**: ❌ Not present
+- **Alternative**: No equivalent workflow file
+
+**Analysis**: azure-dev has better infrastructure for Copilot coding sessions with comprehensive tooling setup.
+
+### 3. PULL_REQUEST_TEMPLATE.md
+
+#### azure-dev
+- **Status Before**: ❌ Not present
+- **Status After**: ✅ Created
+- **Features**:
+  - "What does this PR do?" section
+  - GitHub issue linking
+  - Pre-merge checklist (general requirements)
+  - Specific checklists for:
+    - azd CLI changes (formatting, linting, testing, changelog)
+    - Template changes
+    - Extension changes
+  - Additional notes section
+- **Inspiration**: Based on microsoft/mcp template but adapted for azure-dev structure
+
+#### microsoft/mcp
+- **Status**: ✅ Exists
+- **Features**:
+  - "What does this PR do?" section
+  - GitHub issue linking
+  - Pre-merge checklist (general requirements)
+  - Specific checklist for MCP tool changes
+  - Extra steps for Azure MCP Server
+  - Security review checkbox for community PRs
+  - Livetest pipeline trigger instructions
+
+**Key Differences:**
+- **mcp**: More focused on security review and livetest triggers
+- **azure-dev**: More focused on CLI development workflow (formatting, linting, Go-specific checks)
+
+### 4. Event Processing (PR Triage Automation)
+
+#### azure-dev
+- **event.yml**: ✅ Exists, but different purpose
+  - Name: "Check Enforcer"
+  - Purpose: Enforces check status on PRs
+  - Uses: `azure/azure-sdk-actions@main`
+  - Triggers: `check_suite`, `issue_comment`, `workflow_run`
+  - Does NOT handle automated PR triage/labeling
+
+#### microsoft/mcp
+- **event-processor.yml**: ✅ Exists
+  - Name: "GitHub Event Processor"
+  - Purpose: Automated PR and issue triage
+  - Uses: Custom .NET tool `Azure.Sdk.Tools.GitHubEventProcessor`
+  - Triggers: Multiple events (issues, comments, pull_request_target)
+  - Features:
+    - Two jobs: one with Azure login (for issues), one without (for PRs)
+    - Reads configuration from `event-processor.config`
+    - Handles issue labeling, PR triage, stale item management
+
+- **event-processor.config**: ✅ Exists
+  - Defines enabled automation rules:
+    - `PullRequestTriage`: On
+    - `ResetApprovalsForUntrustedChanges`: On
+    - `ReopenPullRequest`: On
+    - `ResetPullRequestActivity`: On
+    - `CloseStalePullRequests`: On
+    - `IdentifyStalePullRequests`: On
+    - And many more for issues
+
+**Analysis**: 
+- **mcp** has more sophisticated automated PR management
+- **azure-dev** relies on simpler check enforcement
+- Both are valid approaches; mcp's approach is more comprehensive but requires additional tooling
+
+### 5. COPILOT_REVIEW_SETUP.md (Documentation)
+
+#### azure-dev
+- **Status**: ✅ Created (new addition)
+- **Purpose**: Comprehensive guide for enabling automatic Copilot reviews
+- **Content**:
+  - Overview of Copilot code review
+  - Prerequisites
+  - Step-by-step configuration for repository rulesets
+  - Repository settings requirements
+  - Customization guidance
+  - Testing instructions
+  - Usage guidelines for authors and reviewers
+  - Best practices
+  - Troubleshooting
+  - Additional resources
+
+#### microsoft/mcp
+- **Status**: ❌ No equivalent documentation
+- **Alternative**: Relies on institutional knowledge or GitHub's official docs
+
+**Analysis**: azure-dev now has better documentation for new contributors setting up Copilot reviews.
+
+## Functional Comparison
+
+### Copilot Review Triggering
+
+**microsoft/mcp approach:**
+1. Likely uses GitHub repository rulesets (not visible in public repo)
+2. Copilot automatically reviews PRs based on configured rules
+3. Reviews are guided by concise `copilot-instructions.md`
+4. PR template includes specific Copilot instructions for livetest triggers
+
+**azure-dev approach (after changes):**
+1. Requires repository admin to configure rulesets (documented in `COPILOT_REVIEW_SETUP.md`)
+2. Copilot reviews will be guided by comprehensive `copilot-instructions.md`
+3. PR template provides clear checklist for authors
+4. Better documentation for setup process
+
+### Key Insights
+
+1. **Approach Philosophy**:
+   - **mcp**: Concise instructions, automated triage, security-focused
+   - **azure-dev**: Comprehensive guidelines, manual review emphasis, architecture-focused
+
+2. **Tooling**:
+   - **mcp**: Custom .NET event processor for advanced automation
+   - **azure-dev**: GitHub Actions with standard tooling, simpler but effective
+
+3. **Documentation**:
+   - **mcp**: Minimal (relies on templates and institutional knowledge)
+   - **azure-dev**: Comprehensive (detailed setup and usage guides)
+
+4. **Security**:
+   - **mcp**: Explicit security review checkbox, livetest gating for community PRs
+   - **azure-dev**: Security guidance in copilot-instructions, no explicit community PR gating
+
+## Recommendations for azure-dev
+
+### Implemented ✅
+1. ✅ Create `PULL_REQUEST_TEMPLATE.md` to guide PR authors and Copilot
+2. ✅ Update `copilot-instructions.md` with PR review guidelines
+3. ✅ Create comprehensive documentation for enabling Copilot reviews (`COPILOT_REVIEW_SETUP.md`)
+
+### Optional Future Enhancements 📋
+1. Consider implementing automated PR triage similar to mcp's event-processor (if team desires more automation)
+2. Add security review checkboxes for community PRs if needed
+3. Create a simplified "quick start" section in copilot-instructions.md for faster parsing
+4. Add specific examples of good/bad code patterns in copilot-instructions.md
+5. Consider adding CI/CD integration instructions for Copilot coding agent
+
+## Conclusion
+
+The azure-dev repository now has comparable or superior Copilot configuration compared to microsoft/mcp:
+
+- ✅ **Better**: Comprehensive documentation for setup and usage
+- ✅ **Better**: Dedicated Copilot setup workflow (copilot-setup-steps.yml)
+- ✅ **Equal**: PR template with appropriate checklists
+- ✅ **Equal**: Copilot instructions tailored to repository needs
+- ⚠️ **Different**: Simpler event handling (check enforcer vs. full event processor)
+
+The repository is now ready for automatic Copilot PR reviews once repository rulesets are configured by an admin.
diff --git a/.github/COPILOT_REVIEW_SETUP.md b/.github/COPILOT_REVIEW_SETUP.md
new file mode 100644
index 00000000000..990b9f03da0
--- /dev/null
+++ b/.github/COPILOT_REVIEW_SETUP.md
@@ -0,0 +1,125 @@
+# Setting Up Automatic GitHub Copilot Code Review
+
+This document explains how to configure automatic GitHub Copilot code review for pull requests in the Azure Developer CLI repository.
+
+## Overview
+
+GitHub Copilot can automatically review pull requests when they are opened or updated, providing AI-powered feedback on code quality, potential bugs, security issues, and best practices. This feature helps maintain code quality and catch issues early in the development process.
+
+## Prerequisites
+
+- Repository must have GitHub Copilot enabled (requires GitHub Copilot Business or Enterprise)
+- User must have admin permissions to configure repository rulesets
+- Pull requests must be enabled for the repository
+
+## Configuration Steps
+
+### 1. Enable Automatic Copilot Reviews via Repository Rulesets
+
+1. Navigate to the repository on GitHub
+2. Click **Settings** → **Rules** → **Rulesets**
+3. Click **New ruleset** → **New branch ruleset**
+4. Configure the ruleset:
+   - **Name**: "Copilot PR Review"
+   - **Enforcement status**: Active
+   - **Target branches**: Select branches (e.g., `main`, `develop`, or use patterns like `feature/*`)
+5. Under **Branch rules**, enable **"Automatically request Copilot code review"**
+6. Configure when reviews should trigger:
+   - ✅ **Review new pull requests** (recommended)
+   - ⚠️ **Review new pushes** (optional, may increase review volume)
+   - ⚠️ **Review draft pull requests** (optional)
+7. Click **Create** to save the ruleset
+
+### 2. Configure Repository Settings
+
+Ensure the following files are in place to guide Copilot's reviews:
+
+- **`.github/copilot-instructions.md`**: Contains coding standards and architectural guidelines specific to this repository
+- **`.github/PULL_REQUEST_TEMPLATE.md`**: Provides a checklist for PR authors and helps Copilot understand expectations
+- **`.github/workflows/copilot-setup-steps.yml`**: Ensures the development environment is properly set up for Copilot coding sessions
+
+### 3. Customize Copilot Review Behavior
+
+Copilot reviews are influenced by:
+
+1. **Repository guidelines** in `.github/copilot-instructions.md`:
+   - Add specific patterns or anti-patterns to check for
+   - Include security requirements
+   - Define code style preferences
+
+2. **Pull request context**:
+   - PR title and description
+   - Linked issues
+   - File changes and diff content
+
+3. **Repository history**:
+   - Previous PR reviews
+   - Commit messages
+   - Code patterns in the repository
+
+### 4. Testing the Configuration
+
+1. Create a test branch and make a small change
+2. Open a pull request targeting a branch with the ruleset enabled
+3. Copilot should automatically post a review comment within a few moments
+4. Review the feedback and adjust `.github/copilot-instructions.md` as needed
+
+## Using Copilot Reviews
+
+### For PR Authors
+
+- Copilot reviews appear as comments on your PR, similar to human reviews
+- Address Copilot's feedback by making code changes or responding to comments
+- You can request additional reviews by pushing new commits or using the "Re-request review" button
+- Not all Copilot suggestions need to be implemented - use your judgment
+
+### For PR Reviewers
+
+- Copilot reviews supplement, not replace, human code reviews
+- Use Copilot's feedback as a starting point for deeper review
+- Copilot may catch common issues, allowing reviewers to focus on architecture and design
+- Flag any incorrect or misleading Copilot comments to help improve future reviews
+
+## Best Practices
+
+1. **Start with targeted branches**: Enable Copilot reviews for feature branches first before applying to main/production branches
+2. **Iterate on instructions**: Regularly update `.github/copilot-instructions.md` based on recurring review patterns
+3. **Combine with CI/CD**: Use Copilot reviews alongside automated testing and linting for comprehensive quality checks
+4. **Monitor feedback quality**: Track false positives and adjust guidelines to reduce noise
+5. **Educate team members**: Ensure all contributors understand how to work with Copilot reviews
+
+## Troubleshooting
+
+### Copilot reviews are not appearing
+
+- Verify the repository has Copilot enabled (check repository settings)
+- Confirm the ruleset is active and targets the correct branches
+- Check that the PR is not in draft mode (unless draft reviews are enabled)
+- Ensure the PR has actual code changes (empty or documentation-only PRs may not trigger reviews)
+
+### Review feedback is not relevant
+
+- Update `.github/copilot-instructions.md` with more specific guidelines
+- Add examples of desired patterns in the instructions
+- Use clear, descriptive PR titles and descriptions
+- Link related issues for additional context
+
+### Too many reviews are being triggered
+
+- Disable "Review new pushes" if getting reviews on every commit
+- Use more specific branch targeting in the ruleset
+- Consider separate rulesets for different types of branches (e.g., feature vs. hotfix)
+
+## Additional Resources
+
+- [GitHub Copilot Code Review Documentation](https://docs.github.com/en/copilot/how-tos/use-copilot-agents/request-a-code-review)
+- [Configuring Automatic Code Review](https://docs.github.com/en/copilot/how-tos/use-copilot-agents/request-a-code-review/configure-automatic-review)
+- [GitHub Rulesets Documentation](https://docs.github.com/en/repositories/configuring-branches-and-merges-in-your-repository/managing-rulesets)
+- [Azure Developer CLI Contribution Guidelines](https://github.com/Azure/azure-dev/blob/main/CONTRIBUTING.md)
+
+## Support
+
+For issues with Copilot reviews:
+- Check [GitHub Copilot status](https://www.githubstatus.com/)
+- Review [GitHub Community discussions](https://github.com/orgs/community/discussions)
+- Contact repository maintainers for repository-specific configuration help
diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 00000000000..5bb80dedaa2
--- /dev/null
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,36 @@
+## What does this PR do?
+`[Provide a clear, concise description of the changes]`
+
+`[Any additional context, screenshots, or information that helps reviewers]`
+
+## GitHub issue number?
+`[Link to the GitHub issue this PR addresses]`
+
+## Pre-merge Checklist
+- [ ] Required for All PRs
+    - [ ] **Read [contribution guidelines](https://github.com/Azure/azure-dev/blob/main/CONTRIBUTING.md)**
+    - [ ] PR title clearly describes the change
+    - [ ] Commit history is clean with descriptive messages
+    - [ ] Added comprehensive tests for new/modified functionality
+    - [ ] Code follows repository standards (see `.github/copilot-instructions.md`)
+    - [ ] All checks pass (formatting, linting, tests)
+
+- [ ] For azd CLI changes (`cli/azd/`):
+    - [ ] Ran `gofmt -s -w .` from `cli/azd/` directory
+    - [ ] Ran `golangci-lint run ./...` from `cli/azd/` directory
+    - [ ] Ran `cspell lint "**/*.go" --relative --config ./.vscode/cspell.yaml --no-progress` from `cli/azd/` directory
+    - [ ] All Go files include standard copyright header
+    - [ ] Updated `cli/azd/CHANGELOG.md` for user-facing changes (features, bug fixes, breaking changes)
+    - [ ] Ran `go test ./... -short` (allow up to 10 minutes)
+    - [ ] Updated snapshot tests if CLI help output changed (set `UPDATE_SNAPSHOTS=true`)
+
+- [ ] For template changes (`templates/`):
+    - [ ] Tested template deployment end-to-end
+    - [ ] Updated template documentation
+
+- [ ] For extension changes (`ext/`):
+    - [ ] Tested extension functionality
+    - [ ] Updated extension documentation
+
+## Additional Notes
+`[Optional: Any deployment considerations, breaking changes, or migration steps]`
diff --git a/.github/copilot-instructions.md b/.github/copilot-instructions.md
index babbb8f8114..0ec0c0d5404 100644
--- a/.github/copilot-instructions.md
+++ b/.github/copilot-instructions.md
@@ -2,6 +2,29 @@
 
 This is the Azure Developer CLI (azd) - a sophisticated Go-based CLI tool for managing Azure application development workflows. It handles infrastructure provisioning with Bicep/Terraform, application deployment, environment management, project lifecycle automation, and provides extensible hooks system with gRPC extensions. Please follow these comprehensive guidelines when contributing.
 
+## General Coding Guidelines
+
+- Always run `go build` from `cli/azd/` directory after making a change to verify it compiles
+- Always run `go test ./... -short` from `cli/azd/` directory to verify tests pass (allow up to 10 minutes)
+- Always use the IoC container for dependency injection - never use direct instantiation for major components
+- Always propagate `context.Context` through call chains for proper cancellation support
+- Always ask for clarifications if the request is ambiguous or lacks sufficient context
+- Always review your own code for consistency, maintainability, and testability before requesting review
+
+## Pull Request Guidelines
+
+When creating or updating pull requests:
+
+- Ensure all tests pass before submitting
+- Follow the [contribution guidelines](https://github.com/Azure/azure-dev/blob/main/CONTRIBUTING.md)
+- Include appropriate documentation for user-facing changes
+- Include tests that cover your changes
+- Update `cli/azd/CHANGELOG.md` for user-facing changes (features, bug fixes, breaking changes)
+- Run all required linting and formatting tools (see Code Standards section below)
+- Use the pull request template (`.github/PULL_REQUEST_TEMPLATE.md`) to ensure all checklist items are completed
+- Create clear, descriptive commit messages that explain the "why" behind changes
+- For security-sensitive changes, ensure they are reviewed for vulnerabilities before merging
+
 ## Core Architecture Overview
 
 ### Application Entry Point & Container Bootstrap
diff --git a/cli/azd/.vscode/cspell.yaml b/cli/azd/.vscode/cspell.yaml
index e63e5a8e145..194554c2e8b 100644
--- a/cli/azd/.vscode/cspell.yaml
+++ b/cli/azd/.vscode/cspell.yaml
@@ -223,6 +223,15 @@ overrides:
       - golines
       - technicalterm
       - Errorf
+      - gofmt
+      - CODEOWNERS
+  - filename: .github/PULL_REQUEST_TEMPLATE.md
+    words:
+      - gofmt
+  - filename: .github/COPILOT_COMPARISON.md
+    words:
+      - livetest
+      - Livetest
   - filename: internal/mcp/tools/azd_yaml_schema.go
     words:
       - santhosh

From c18e61ad3909082179dbcb6f6403919e87178575 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 13 Nov 2025 20:26:26 +0000
Subject: [PATCH 3/4] Add implementation summary documentation

Co-authored-by: hemarina <104857065+hemarina@users.noreply.github.com>
---
 .github/IMPLEMENTATION_SUMMARY.md | 206 ++++++++++++++++++++++++++++++
 1 file changed, 206 insertions(+)
 create mode 100644 .github/IMPLEMENTATION_SUMMARY.md

diff --git a/.github/IMPLEMENTATION_SUMMARY.md b/.github/IMPLEMENTATION_SUMMARY.md
new file mode 100644
index 00000000000..0b551cfc188
--- /dev/null
+++ b/.github/IMPLEMENTATION_SUMMARY.md
@@ -0,0 +1,206 @@
+# Implementation Summary: Enable Copilot for PR Initial Review
+
+## Overview
+
+This PR successfully implements GitHub Copilot automatic code review functionality for the azure-dev repository by comparing with the microsoft/mcp repository and implementing necessary configuration files.
+
+## What Was Accomplished
+
+### 1. Created Pull Request Template (`.github/PULL_REQUEST_TEMPLATE.md`)
+
+A comprehensive PR template that:
+- Provides structure for PR authors to describe their changes
+- Includes detailed checklists for different types of changes (CLI, templates, extensions)
+- Guides GitHub Copilot in understanding PR context
+- Ensures consistency across contributions
+
+**Key Features:**
+- "What does this PR do?" section for clear descriptions
+- GitHub issue linking
+- Comprehensive pre-merge checklist
+- Specific checklists for azd CLI, template, and extension changes
+- Additional notes section for deployment considerations
+
+### 2. Enhanced Copilot Instructions (`.github/copilot-instructions.md`)
+
+Updated the existing comprehensive Copilot instructions with:
+- **General Coding Guidelines**: Build, test, dependency injection, and code review expectations
+- **Pull Request Guidelines**: Security, testing, documentation, and changelog requirements
+- Better structured content for Copilot to understand expectations
+
+**Benefits:**
+- Copilot now has clear guidelines for reviewing PRs
+- Contributors have clearer expectations
+- Maintains existing comprehensive architecture documentation
+
+### 3. Created Setup Documentation (`.github/COPILOT_REVIEW_SETUP.md`)
+
+A complete guide for repository administrators containing:
+- **Prerequisites**: Requirements for enabling Copilot reviews
+- **Configuration Steps**: Detailed instructions for setting up repository rulesets
+- **Customization Guidance**: How to tailor Copilot behavior
+- **Testing Instructions**: How to validate the setup
+- **Usage Guidelines**: For both PR authors and reviewers
+- **Best Practices**: Recommendations for effective use
+- **Troubleshooting**: Common issues and solutions
+- **Additional Resources**: Links to official documentation
+
+**Purpose:**
+- Enables repository admins to configure automatic Copilot reviews
+- Provides comprehensive reference for the feature
+- Documents the process for future maintenance
+
+### 4. Created Comparison Document (`.github/COPILOT_COMPARISON.md`)
+
+A detailed analysis comparing azure-dev with microsoft/mcp:
+- **Feature-by-feature comparison table**
+- **Detailed analysis** of each component
+- **Key insights** about different approaches
+- **Recommendations** for future enhancements
+
+**Key Findings:**
+- azure-dev has better infrastructure for Copilot coding sessions (copilot-setup-steps.yml)
+- azure-dev now has better documentation for PR review setup
+- microsoft/mcp uses more sophisticated automated PR triage (event-processor)
+- Both approaches are valid with different trade-offs
+
+### 5. Updated Spell Check Configuration (`cli/azd/.vscode/cspell.yaml`)
+
+Added exceptions for new technical terms:
+- `gofmt` (Go formatting tool)
+- `CODEOWNERS` (GitHub file)
+- `livetest` / `Livetest` (testing terminology)
+
+## Comparison: azure-dev vs microsoft/mcp
+
+| Feature | azure-dev Status | microsoft/mcp Status | Result |
+|---------|------------------|----------------------|--------|
+| **copilot-instructions.md** | ✅ Enhanced (comprehensive) | ✅ Concise | ✅ Better for complex project |
+| **copilot-setup-steps.yml** | ✅ Exists | ❌ Not present | ✅ Better tooling support |
+| **PULL_REQUEST_TEMPLATE.md** | ✅ Created | ✅ Exists | ✅ Implemented |
+| **Setup Documentation** | ✅ Created | ❌ Not present | ✅ Better documentation |
+| **Comparison Analysis** | ✅ Created | ❌ Not present | ✅ Better transparency |
+| **Event Processor** | ⚠️ Simpler approach | ✅ Advanced automation | ⚠️ Trade-off choice |
+
+## Key Decisions
+
+### 1. Comprehensive vs. Concise Instructions
+
+**Decision:** Kept comprehensive instructions
+- azure-dev is a complex Go CLI with sophisticated architecture
+- Detailed instructions help new contributors understand the system
+- Added focused PR guidelines section at the top for quick reference
+
+### 2. Event Processing Approach
+
+**Decision:** Not implementing microsoft/mcp's event-processor
+- azure-dev already has check-enforcer workflow
+- Event-processor requires custom .NET tooling
+- Current approach is simpler and adequate
+- Can be added later if needed
+
+### 3. Documentation Focus
+
+**Decision:** Created extensive documentation
+- COPILOT_REVIEW_SETUP.md provides admin guidance
+- COPILOT_COMPARISON.md documents research and decisions
+- Helps future maintainers understand the implementation
+
+## Next Steps for Repository Admins
+
+To enable automatic Copilot code reviews:
+
+1. **Navigate to Repository Settings**
+   - Go to Settings → Rules → Rulesets
+
+2. **Create New Ruleset**
+   - Click "New ruleset" → "New branch ruleset"
+   - Name: "Copilot PR Review"
+   - Enforcement status: Active
+
+3. **Configure Target Branches**
+   - Select branches (e.g., `main`, `develop`, or patterns like `feature/*`)
+
+4. **Enable Copilot Reviews**
+   - Under "Branch rules", enable "Automatically request Copilot code review"
+   - Configure when reviews should trigger:
+     - ✅ Review new pull requests (recommended)
+     - ⚠️ Review new pushes (optional)
+     - ⚠️ Review draft pull requests (optional)
+
+5. **Test the Configuration**
+   - Create a test PR
+   - Verify Copilot posts a review
+   - Adjust instructions if needed
+
+See `.github/COPILOT_REVIEW_SETUP.md` for detailed instructions.
+
+## Testing Performed
+
+- ✅ Spell check passes (cspell)
+- ✅ All files created successfully
+- ✅ Changes committed and pushed
+- ✅ CodeQL analysis (no security issues - documentation files only)
+- ⚠️ Markdown linting shows warnings (consistent with existing .github files)
+- ⚠️ Actual Copilot review testing requires admin access to enable rulesets
+
+## Files Changed
+
+1. `.github/PULL_REQUEST_TEMPLATE.md` - **CREATED** (36 lines)
+2. `.github/copilot-instructions.md` - **MODIFIED** (+23 lines)
+3. `.github/COPILOT_REVIEW_SETUP.md` - **CREATED** (125 lines)
+4. `.github/COPILOT_COMPARISON.md` - **CREATED** (229 lines)
+5. `cli/azd/.vscode/cspell.yaml` - **MODIFIED** (+9 lines)
+
+**Total:** 422 lines added across 5 files
+
+## Benefits of This Implementation
+
+### For Contributors
+- Clear PR template guides what information to provide
+- Automated Copilot feedback catches issues early
+- Consistent expectations across all PRs
+
+### For Reviewers
+- Copilot pre-reviews catch common issues
+- More time to focus on architecture and design
+- Consistent initial review quality
+
+### For Maintainers
+- Comprehensive documentation for setup and maintenance
+- Clear comparison with other Microsoft repositories
+- Flexibility to enable/disable Copilot reviews per branch
+
+### For the Project
+- Improved code quality through early automated review
+- Faster feedback loops for contributors
+- Better consistency in PR submissions
+
+## Future Enhancements (Optional)
+
+Based on the comparison analysis, potential future improvements include:
+
+1. **Automated PR Triage**: Implement event-processor similar to microsoft/mcp for advanced automation
+2. **Security Gating**: Add explicit security review checkboxes for community PRs
+3. **Quick Reference**: Add simplified "quick start" section in copilot-instructions.md
+4. **Code Examples**: Add specific examples of good/bad patterns in copilot-instructions.md
+5. **CI/CD Integration**: Enhanced instructions for Copilot coding agent integration
+
+## Conclusion
+
+The azure-dev repository now has **comparable or superior** GitHub Copilot configuration compared to microsoft/mcp:
+
+- ✅ Better: Comprehensive setup and usage documentation
+- ✅ Better: Dedicated Copilot environment setup workflow
+- ✅ Equal: PR template with appropriate checklists
+- ✅ Equal: Copilot instructions tailored to repository needs
+- ✅ Better: Transparent comparison and decision documentation
+
+**The repository is now ready for automatic Copilot PR reviews once repository rulesets are configured by an admin.**
+
+## References
+
+- [GitHub Copilot Code Review Documentation](https://docs.github.com/en/copilot/how-tos/use-copilot-agents/request-a-code-review)
+- [Configuring Automatic Code Review](https://docs.github.com/en/copilot/how-tos/use-copilot-agents/request-a-code-review/configure-automatic-review)
+- [Microsoft MCP Repository](https://github.com/microsoft/mcp)
+- [Azure Developer CLI Repository](https://github.com/Azure/azure-dev)

From 247f75821d9bd6c9dfd9732edaf45f3fc9bf78d1 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 13 Nov 2025 20:28:20 +0000
Subject: [PATCH 4/4] Add quick reference guide for Copilot PR reviews

Co-authored-by: hemarina <104857065+hemarina@users.noreply.github.com>
---
 .github/QUICK_REFERENCE.md | 111 +++++++++++++++++++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 .github/QUICK_REFERENCE.md

diff --git a/.github/QUICK_REFERENCE.md b/.github/QUICK_REFERENCE.md
new file mode 100644
index 00000000000..45355c26217
--- /dev/null
+++ b/.github/QUICK_REFERENCE.md
@@ -0,0 +1,111 @@
+# Quick Reference: GitHub Copilot PR Review
+
+## For Repository Admins
+
+### Enable Automatic Copilot Reviews (One-Time Setup)
+
+1. Go to **Settings** → **Rules** → **Rulesets**
+2. Click **New ruleset** → **New branch ruleset**
+3. Configure:
+   - Name: `Copilot PR Review`
+   - Enforcement: `Active`
+   - Target branches: `main` (or your default branch)
+4. Enable **"Automatically request Copilot code review"**
+5. Check **"Review new pull requests"**
+6. Click **Create**
+
+📖 **Full Guide**: See [COPILOT_REVIEW_SETUP.md](COPILOT_REVIEW_SETUP.md)
+
+## For Contributors
+
+### When Creating a Pull Request
+
+1. **Use the PR template** (auto-populated when creating PR)
+2. **Fill out all sections**:
+   - What does this PR do?
+   - GitHub issue number
+   - Pre-merge checklist
+3. **Run required checks** before submitting:
+   ```bash
+   # For CLI changes
+   cd cli/azd
+   gofmt -s -w .
+   golangci-lint run ./...
+   cspell lint "**/*.go" --relative --config ./.vscode/cspell.yaml --no-progress
+   go test ./... -short
+   ```
+4. **Wait for Copilot review** (appears automatically if enabled)
+5. **Address feedback** or respond to comments
+
+### Working with Copilot Reviews
+
+- ✅ Copilot reviews supplement human reviews
+- ✅ Not all suggestions need to be implemented - use judgment
+- ✅ You can request additional reviews by pushing new commits
+- ✅ Mark conversations as resolved when addressed
+
+## For Reviewers
+
+### Understanding Copilot Reviews
+
+- 🤖 Copilot reviews appear as comments on the PR
+- 🤖 They check for:
+  - Code quality issues
+  - Potential bugs
+  - Security vulnerabilities
+  - Best practices violations
+  - Consistency with repository guidelines
+- 🤖 Copilot reviews are **AI-generated** - verify before enforcing
+
+### Best Practices
+
+1. Review Copilot's feedback first
+2. Use it as a starting point for deeper review
+3. Focus your human review on:
+   - Architecture and design
+   - Business logic correctness
+   - User experience
+   - Integration with existing code
+4. Flag any incorrect Copilot comments
+
+## Documentation Index
+
+| Document | Purpose | Audience |
+|----------|---------|----------|
+| [PULL_REQUEST_TEMPLATE.md](PULL_REQUEST_TEMPLATE.md) | PR submission checklist | Contributors |
+| [copilot-instructions.md](copilot-instructions.md) | Coding standards and architecture | Contributors & Copilot |
+| [COPILOT_REVIEW_SETUP.md](COPILOT_REVIEW_SETUP.md) | Setup guide for automatic reviews | Repository Admins |
+| [COPILOT_COMPARISON.md](COPILOT_COMPARISON.md) | Comparison with microsoft/mcp | Maintainers |
+| [IMPLEMENTATION_SUMMARY.md](IMPLEMENTATION_SUMMARY.md) | Implementation overview | Maintainers |
+| [QUICK_REFERENCE.md](QUICK_REFERENCE.md) | This document | Everyone |
+
+## Common Issues
+
+### Copilot review not appearing?
+
+1. Check if repository has Copilot enabled
+2. Verify ruleset is active for your branch
+3. Ensure PR has actual code changes
+4. Check if draft PRs are excluded from review
+
+### Copilot feedback not relevant?
+
+- Update [copilot-instructions.md](copilot-instructions.md) with more specific guidelines
+- Use clear PR titles and descriptions
+- Link related issues for context
+
+### Too many reviews?
+
+- Adjust ruleset to not review every push
+- Use more specific branch targeting
+- Consider separate rulesets for different branch types
+
+## Resources
+
+- [GitHub Copilot Documentation](https://docs.github.com/en/copilot)
+- [Configuring Automatic Reviews](https://docs.github.com/en/copilot/how-tos/use-copilot-agents/request-a-code-review/configure-automatic-review)
+- [Repository Contribution Guidelines](../CONTRIBUTING.md)
+
+---
+
+**Questions?** See [COPILOT_REVIEW_SETUP.md](COPILOT_REVIEW_SETUP.md) for detailed information.