restructured answers a bit

pkg/toolbox/context.go

@@ -0,0 +1,17 @@
+package toolbox
+
+import (
+	"context"
+	"time"
+
+	"github.com/tmc/langchaingo/llms"
+)
+
+type Context interface {
+	context.Context
+
+	WithCancel() (Context, func())
+	WithTimeout(time.Duration) (Context, func())
+	WithMessages([]llms.MessageContent) Context
+	GetMessages() []llms.MessageContent
+}