Moving the copilot-sdk cookbook content in here

cookbook/copilot-sdk/go/recipe/multiple-sessions.go

@@ -0,0 +1,53 @@
+package main
+
+import (
+	"fmt"
+	"log"
+
+	"github.com/github/copilot-sdk/go"
+)
+
+func main() {
+	client := copilot.NewClient()
+
+	if err := client.Start(); err != nil {
+		log.Fatal(err)
+	}
+	defer client.Stop()
+
+	// Create multiple independent sessions
+	session1, err := client.CreateSession(copilot.SessionConfig{Model: "gpt-5"})
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer session1.Destroy()
+
+	session2, err := client.CreateSession(copilot.SessionConfig{Model: "gpt-5"})
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer session2.Destroy()
+
+	session3, err := client.CreateSession(copilot.SessionConfig{Model: "claude-sonnet-4.5"})
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer session3.Destroy()
+
+	fmt.Println("Created 3 independent sessions")
+
+	// Each session maintains its own conversation history
+	session1.Send(copilot.MessageOptions{Prompt: "You are helping with a Python project"})
+	session2.Send(copilot.MessageOptions{Prompt: "You are helping with a TypeScript project"})
+	session3.Send(copilot.MessageOptions{Prompt: "You are helping with a Go project"})
+
+	fmt.Println("Sent initial context to all sessions")
+
+	// Follow-up messages stay in their respective contexts
+	session1.Send(copilot.MessageOptions{Prompt: "How do I create a virtual environment?"})
+	session2.Send(copilot.MessageOptions{Prompt: "How do I set up tsconfig?"})
+	session3.Send(copilot.MessageOptions{Prompt: "How do I initialize a module?"})
+
+	fmt.Println("Sent follow-up questions to each session")
+	fmt.Println("All sessions will be destroyed on exit")
+}