🎨 优化角色卡功能模块，后续待优化图像上传&前端流畅性待优化

server/utils/character_card.go

@@ -31,6 +31,7 @@ type CharacterCardV2Data struct {
 	Creator                 string                 `json:"creator"`
 	CharacterVersion        string                 `json:"character_version"`
 	AlternateGreetings      []string               `json:"alternate_greetings"`
+	CharacterBook           map[string]interface{} `json:"character_book,omitempty"`
 	Extensions              map[string]interface{} `json:"extensions"`
 }