The Phase-2 rename put DataLoader in core/data/, but update.sh's deploy rsync
uses --exclude 'data/' (to protect the runtime frontend/data/ dir the backend
serves auth-gated under /data). rsync's pattern matches a 'data' dir ANYWHERE in
the tree, so core/data/ was silently excluded from the served copy — the file
404'd and the dashboard showed 0 apps / Loading… while every sibling subsystem
deployed fine. Renamed the folder to core/data-loader/ (segment 'data-loader' ≠
'data') so it ships. No code/class change.
Signed-off-by: librelad <librelad@digitalangels.vip>