Create FlagFiles (and other?) dir if not present #507
Description
We could be robust to this by at least attempting to create an instance's working dirs if they are missing?
2025-05-07 21:01:08,912 - INFO - dax_manager - loaded 172 records
Traceback (most recent call last):
File "/panfs/accrepfs.vampire/data/mcr/rocky9/venv/dax/bin/dax", line 232, in <module>
manager.clean_lockfiles()
File "/panfs/accrepfs.vampire/data/mcr/rocky9/venv/dax/lib/python3.11/site-packages/dax/dax_manager.py", line 1094, in clean_lockfiles
lockfiles.clean_lockfiles(self.lock_dir, LOGGER)
File "/panfs/accrepfs.vampire/data/mcr/rocky9/venv/dax/lib/python3.11/site-packages/dax/lockfiles.py", line 30, in clean_lockfiles
lock_list = os.listdir(lock_dir)
^^^^^^^^^^^^^^^^^^^^
FileNotFoundError: [Errno 2] No such file or directory: '/nobackup/vuiisccidev/Spider_Upload_Dir/FlagFiles'