Fix public file download timeout

- Increase timeout for WebDAV downloads from default to 5 minutes
- Prevents 504 Gateway Timeout errors when downloading large files
- Uses context.WithTimeout for better control over download duration

go_cloud/internal/http/routes.go

@@ -3174,8 +3174,12 @@ func publicFileViewHandler(w http.ResponseWriter, r *http.Request, db *database.
 		return
 	}
 
+	// Create context with longer timeout for file downloads
+	downloadCtx, cancel := context.WithTimeout(r.Context(), 5*time.Minute)
+	defer cancel()
+
 	// Stream file
-	resp, err := client.Download(r.Context(), file.Path, r.Header.Get("Range"))
+	resp, err := client.Download(downloadCtx, file.Path, r.Header.Get("Range"))
 	if err != nil {
 		errors.LogError(r, err, "Failed to download file")
 		errors.WriteError(w, errors.CodeInternal, "Server error", http.StatusInternalServerError)