fix: add JOURNAL_MODE=delete for Pinchflat SQLite on network share

SQLite was experiencing connection timeouts and errors because the
downloads folder is on a HiDrive network mount. Setting JOURNAL_MODE
to delete fixes SQLite locking issues on network filesystems.

Fixes: database connection timeouts and "Sqlite3 was invoked incorrectly" errors

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

media/compose.yaml

@@ -73,6 +73,7 @@ services:
       - /mnt/hidrive/users/valknar/Downloads/pinchflat:/downloads
     environment:
       TZ: ${TIMEZONE:-Europe/Berlin}
+      JOURNAL_MODE: delete
     networks:
       - compose_network
     labels: