update app mod migration doc with feedback

Author: Jessie Huang

docs/azure/migration/appmod/key-features.md renamed to docs/azure/migration/appmod/overview.md

@@ -10,24 +10,33 @@ ms.author: alexwolf
 
 # GitHub Copilot app modernization for .NET (Preview) overview
 
-[GitHub Copilot app modernization for .NET (Preview)]([https://aka.ms/appmod-dotnet-marketplace](https://aka.ms/ghcp-appmod/dotNET)) helps you migrate .NET applications to Azure quickly and confidently by guiding you through assessment, solution recommendations, code fixes, validation and deployment.
+[GitHub Copilot app modernization for .NET (Preview)](https://aka.ms/appmod-dotnet-marketplace) helps you migrate .NET applications to Azure quickly and confidently by guiding you through assessment, solution recommendations, code fixes, and validation - all in one tool.
 
 With this assistant, you can:
+
 - Assess your application's code, configuration, and dependencies.
 - Plan and set up the right Azure resource
 - Fix issues and apply best practices for cloud migration
 - Validate that your app builds and tests successfully
-- Deploy to Azure
 
 This process streamlines modernization and boosts developer productivity and confidence. App Modernization for .NET is an all-in-one migration assistant that uses AI to improve developer velocity, quality, and results.
 
-Please refer to [Github Copilot App Modernization Overview](https://aka.ms/ghcp-appmod/dotNET) for overview and prerequisites.
+App Modernization for .NET is provided as a Visual Studio extension and relies on the following tools to be installed and configured for the full experience:
+
+- [A GitHub account with GitHub Copilot enabled](https://github.com/features/copilot) (Pro, Pro+, Business, or Enterprise plan required)
+- [The GitHub Copilot extension](https://marketplace.visualstudio.com/items?itemName=GitHub.copilot) for Visual Studio (latest version recommended)
+- [Azure Migrate application and code assessment for .NET](../appcat/install.md) for assessment features
 
-For a complete walkthrough of setting up and using GitHub Copilot app modernization for .NET for Migration, see [Quickstart: Assessing an application and applying code changes](quickstart.md).
+For a complete walkthrough of setting up and using GitHub Copilot app modernization for .NET, see [Quickstart: Assessing an application and applying code changes](quickstart.md).
 
 ## Key concepts
 
-GitHub Copilot app modernization for .NET supports end-to-end migration to Azure, including assessment, planning, code remediation, build fixes, and deployment. It uses GitHub Copilot AI capabilities to help you migrate and run your applications on Azure with confidence, accelerating the entire modernization lifecycle.
+GitHub Copilot app modernization for .NET supports end-to-end migration to Azure, including assessment, planning, code remediation, build fixes, and unit test fixes. It uses GitHub Copilot AI capabilities to help you migrate and run your applications on Azure with confidence, accelerating the entire modernization lifecycle.
+
+The tool also relies on [Azure Migrate application and code assessment (AppCAT)](../appcat/app-code-assessment-toolkit.md) to analyze your code and identify modernization opportunities. You can use GitHub Copilot app modernization for .NET to get an overview of cloud readiness migration issues, including:
+
+- Best practice recommendations
+- Suggestions for changing your application code
 
 When code changes are needed, the tool guides you through remediation using predefined tasks for common issues, such as:
 
@@ -36,7 +45,11 @@ When code changes are needed, the tool guides you through remediation using pred
 
 For more information, see [Predefined tasks](predefined-tasks.md).
 
-## Key Features
+### Upgrading .NET projects
+
+Upgrading .NET apps is a common task that requires substantial time and resources. GitHub Copilot app modernization is an AI-based solution designed to assist with updating your .NET apps. For more information, see [GitHub Copilot app modernization](../../../core/porting/github-copilot-app-modernization-overview.md).
+
+## Common use cases
 
 App Modernization for .NET (Preview) supports the following scenarios:
 
@@ -74,4 +87,4 @@ App Modernization for .NET (Preview) supports the following scenarios:
 
 - [Quickstart: Assessing an application and applying code changes](quickstart.md)
 - [Common modernization issues with predefined tasks](predefined-tasks.md)
-- [Frequently Asked Questions](faq.md)
+- [Frequently Asked Questions](faq.md)

docs/azure/migration/appmod/predefined-tasks.md

@@ -14,10 +14,11 @@ This article describes the predefined tasks available for GitHub Copilot app mod
 
 Predefined tasks capture industry best practices for using Azure services. Currently, App Modernization for .NET (Preview) offers predefined tasks that cover common migration scenarios. These tasks address the following subjects, and more:
 
+- Database migration
+- Storage migration
 - Secret management
 - Message queue integration
-- Database migration
-- Cache migration
+- Caching migration
 - Identity management
 - Log management
 
@@ -64,7 +65,3 @@ App Modernization for .NET currently supports the following predefined tasks:
 - **Migrate to Azure Cache for Redis**
 
   Replace in-memory or local Redis cache implementations with Azure Cache for Redis for high availability, scalability, and enterprise-grade security.
-
-- **Migrate from File Logging to Centralized Logging**
-
-  Replace local file-based logging with more resilient approaches such as console logging and OpenTelemetry integration, enabling unified, cloud-native observability on Azure.