Feat: read from chat files

models/models.go

@@ -1,5 +1,10 @@
 package models
 
+import (
+	"fmt"
+	"strings"
+)
+
 // type FuncCall struct {
 // 	XMLName xml.Name `xml:"tool_call"`
 // 	Name    string   `xml:"name"`
@@ -56,6 +61,22 @@ type MessagesStory struct {
 	Content string `json:"content"`
 }
 
+func (m MessagesStory) ToText() string {
+	icon := ""
+	switch m.Role {
+	case "assistant":
+		icon = "<🤖>: "
+	case "user":
+		icon = "<user>: "
+	case "system":
+		icon = "<system>: "
+	case "tool":
+		icon = "<tool>: "
+	}
+	textMsg := fmt.Sprintf("%s%s\n", icon, m.Content)
+	return strings.ReplaceAll(textMsg, "\n\n", "\n")
+}
+
 type ChatBody struct {
 	Model    string          `json:"model"`
 	Stream   bool            `json:"stream"`