Enhance docker logging for debugging (Python unbuffered, GORM logger, yt-dlp debug wrapper)

backend/handlers/api.go

@@ -106,10 +106,13 @@ func DownloadMedia(c *fiber.Ctx) error {
 		}
 
 		cmd := exec.Command("python", args...)
+		fmt.Printf("[DEBUG Go Exec] Command: %v\n", cmd.String())
+		
 		output, err := cmd.CombinedOutput()
+		fmt.Printf("[DEBUG Go Exec] Output:\n%s\n", string(output))
 		
 		if err != nil {
-			fmt.Println("Download error:", string(output))
+			fmt.Printf("[DEBUG Go Exec] Download error: %v\n", string(output))
 			BroadcastProgress("Error: " + err.Error())
 			models.DB.Create(&models.MediaHistory{
 				SourceURL: req.URL,