beet modify does not move .directory files

[marlemion]

Problem

Running this command in verbose (-vv) mode:

beet modify genre="new genre" -a

user configuration: /home/xxx/.config/beets/config.yaml
data directory: /home/xxx/.config/beets
plugin paths: 
lyrics: Disabling google source: no API key configured.
artresizer: method is ImageMagick
thumbnails: using ImageMagick to write metadata
thumbnails: using GIO to compute URIs
fetchart: google: Disabling art source due to missing key
fetchart: lastfm: Disabling art source due to missing key
Sending event: pluginload
library database: /home/xxx/.config/beets/library.db
library directory: /mnt/sda/Music
Sending event: library_opened
Usage: 
  beet COMMAND [ARGS...]
  beet help COMMAND

Options:
  --format-item=FORMAT_ITEM
                        print with custom format
  --format-album=FORMAT_ALBUM
                        print with custom format
  -l LIBRARY, --library=LIBRARY
                        library database file to use
  -d DIRECTORY, --directory=DIRECTORY
                        destination music directory
  -v, --verbose         log more details (use twice for even more)
  -c CONFIG, --config=CONFIG
                        path to configuration file
  -p PLUGINS, --plugins=PLUGINS
                        a comma-separated list of plugins to load
  -P EXCLUDE, --disable-plugins=EXCLUDE
                        a comma-separated list of plugins to disable
  -h, --help            show this help message and exit

Commands:
  bad               check for corrupt or missing files
  clearart          remove images from file metadata
  config            show or edit the user configuration
  convert           convert to external location
  duplicates (dup)  List duplicate tracks or albums.
  edit              interactively edit metadata
  embedart          embed image files into file metadata
  extractart        extract an image from file metadata
  fetchart          download album art
  fields            show fields available for queries and format strings
  help (?)          give detailed help on a specific sub-command
  import (imp, im)  import new music
  lastgenre         fetch genres
  list (ls)         query the library
  lyrics            fetch song lyrics
  mbsync            update metadata from musicbrainz
  missing (miss)    List missing tracks.
  modify (mod)      change metadata fields
  move (mv)         move or copy items
  remove (rm)       remove matching items from the library
  scrub             clean audio tags
  spotify           build a Spotify playlist
  spotifysync       fetch track attributes from Spotify
  stats             show statistics about the library or a query
  thumbnails        Create album thumbnails
  update (upd, up)  update the library
  version           output version information
  write             write tag information to files
Sending event: cli_exit

Led to this problem:

Directory files created with the thumbnails module are not moved and need to be moved manually.

Setup

• OS: Linux
• Python version: 3.13.1
• beets version: 2.1.0