Update README files to replace "Copilot coding agent" with "Copilot cloud agent"

01-setup-and-first-steps/README.md

@@ -392,7 +392,7 @@ That's it for getting started! As you become comfortable, you can explore additi
 
 | Command | What It Does |
 |---------|--------------|
-| `/delegate` | Hand off task to Copilot coding agent on GitHub (agent in the cloud) |
+| `/delegate` | Hand off task to GitHub Copilot cloud agent |
 | `/fleet` | Split a complex task into parallel subtasks for faster completion |
 | `/model` | Show or switch AI model |
 | `/tasks` | View background subagents and detached shell sessions |

03-development-workflows/README.md

@@ -659,7 +659,7 @@ $(git diff main..HEAD)"
 
 ### Using /delegate for Background Tasks
 
-The `/delegate` command hands off work to the Copilot coding agent on GitHub. Use the `/delegate` slash command (or the `&` shortcut) to offload a well-defined task to a background agent.
+The `/delegate` command hands off work to the GitHub Copilot cloud agent. Use the `/delegate` slash command (or the `&` shortcut) to offload a well-defined task to a background agent.
 
 ```bash
 copilot

05-skills/README.md

@@ -2,7 +2,7 @@
 
 > **What if Copilot could automatically apply your team's best practices without you having to explain them every time?**
 
-In this chapter, you'll learn about Agent Skills: folders of instructions that Copilot automatically loads when relevant to your task. While agents change *how* Copilot thinks, skills teach Copilot *specific ways to complete tasks*. You'll create a security audit skill that Copilot applies whenever you ask about security, build team-standard review criteria that ensure consistent code quality, and learn how skills work across Copilot CLI, VS Code, and the Copilot coding agent.
+In this chapter, you'll learn about Agent Skills: folders of instructions that Copilot automatically loads when relevant to your task. While agents change *how* Copilot thinks, skills teach Copilot *specific ways to complete tasks*. You'll create a security audit skill that Copilot applies whenever you ask about security, build team-standard review criteria that ensure consistent code quality, and learn how skills work across Copilot CLI, VS Code, and the GitHub Copilot cloud agent.
 
 
 ## 🎯 Learning Objectives

appendices/ci-cd-integration.md

@@ -123,7 +123,7 @@ For consistent reviews across your team, create a shared configuration:
 
 ## Alternative: PR Review Bot
 
-For more sophisticated review workflows, consider using the Copilot coding agent:
+For more sophisticated review workflows, consider using the GitHub Copilot cloud agent:
 
 ```yaml
 # .github/workflows/copilot-agent-review.yml