feat(backend): add text translation functionality with new task payload structure

worker/internal/tasks/types.go

@@ -23,3 +23,10 @@ type ConvertImageTaskPayload struct {
 	BaseFileTaskPayload
 	TargetExt string `json:"target_ext"`
 }
+
+type TranslateTextTaskPayload struct {
+	Text     string `json:"text"`
+	Source   string `json:"source"`
+	Target   string `json:"target"`
+	Provider string `json:"provider"`
+}

worker/main.go

@@ -33,6 +33,7 @@ func main() {
 	mux.HandleFunc("file:remove", tasks.RemoveFile)
 	mux.HandleFunc("image:compress", tasks.CompressImage)
 	mux.HandleFunc("image:convert", tasks.ConvertImage)
+	mux.HandleFunc("text:translate", tasks.TranslateText)
 
 	if err := srv.Run(mux); err != nil {
 		log.Fatalf("could not run server: %v", err)