Refactor Disk and Memory Size Formatting with Centralized Utility Function

- Extracted common size formatting logic to a new utility function `HumanSize` in utils package
- Removed duplicate size formatting code from Disk and Memory configurations
- Updated Disk and Memory modules to use the centralized size formatting utility
- Uncommented and implemented disk usage calculation in Disk configuration
- Improved code readability and maintainability by centralizing size conversion logic

agent-wdd/utils/FormatUtils.go

@@ -0,0 +1,40 @@
+package utils
+
+import "strconv"
+
+func HumanSize(bytes uint64) string {
+	units := []string{"B", "KB", "MB", "GB", "TB", "PB"}
+	var unitIndex int
+	size := float64(bytes)
+
+	for size >= 1024 && unitIndex < len(units)-1 {
+		size /= 1024
+		unitIndex++
+	}
+
+	if unitIndex == 0 {
+		return strconv.FormatUint(bytes, 10) + units[unitIndex]
+	}
+
+	return strconv.FormatFloat(size, 'f', 1, 64) + units[unitIndex]
+}
+
+func HumanSizeInt(bytes int64) string {
+	return HumanSize(uint64(bytes))
+}
+
+func HumanDiskSize(bytes uint64) string {
+	units := []string{"B", "KB", "MB", "GB", "TB", "PB"}
+	var unitIndex int
+	size := float64(bytes)
+
+	for size >= 1000 && unitIndex < len(units)-1 {
+		size /= 1000
+		unitIndex++
+	}
+
+	if unitIndex == 0 {
+		return strconv.FormatUint(bytes, 10) + units[unitIndex]
+	}
+	return strconv.FormatFloat(size, 'f', 1, 64) + units[unitIndex]
+}