Fix home resolution issue

instruction.go

@@ -334,8 +334,13 @@ func preprocessInstructions(instructions []LinkInstruction, filename, workdir st
 
 // loadFromReference loads instructions from a referenced file
 func loadFromReference(fromFile, currentFile, workdir string, visited map[string]bool) ([]LinkInstruction, error) {
+	// First convert home directory if it starts with ~
+	fromPath, err := ConvertHome(fromFile)
+	if err != nil {
+		return nil, fmt.Errorf("error converting home directory: %w", err)
+	}
+
 	// Convert relative paths to absolute paths based on the current file's directory
-	fromPath := fromFile
 	if !filepath.IsAbs(fromPath) {
 		currentDir := filepath.Dir(currentFile)
 		fromPath = filepath.Join(currentDir, fromPath)