тестовый го бэкэнд

backend/excel.go

@@ -0,0 +1,15 @@
+//go:build !windows
+
+package main
+
+import "fmt"
+
+// Stub implementations for non-Windows platforms (for testing API without Excel COM).
+
+func FillCells(cells map[string]interface{}, fileContent []byte, printArea string) ([]byte, error) {
+	return nil, fmt.Errorf("Excel COM is only available on Windows")
+}
+
+func ReadCells(fileContent []byte) (map[string]interface{}, error) {
+	return map[string]interface{}{"cells": map[string]interface{}{}, "merged": []interface{}{}}, nil
+}