readProjectPath function
Returns the session's Flutter project path: the path stored at launch, or the session directory's parent for sessions created by older fdb versions.
Implementation
String readProjectPath() {
final file = File(projectPathFile);
if (file.existsSync()) {
final content = file.readAsStringSync().trim();
if (content.isNotEmpty) return content;
}
return Directory(sessionDirPath).parent.path;
}