_webui_bind_access granted o+r to every file in configs/webui so the
rootless container could read its bind-mount sources — but that also made
secrets like webui_logins world-readable to any local user. Under rootless
the container's gid 0 maps to the container owner's gid, so group access is
sufficient: chown the webui dir + files to MANAGER:container-owner, dir
0751 (traverse, not list), files 0640. Container reads via group; other
local users get nothing; the manager (owner) still rewrites them.
Verified live: container READ ok, world READ denied, manager rw, WebUI
login still 200. Live helper updated in lockstep with this source.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Signed-off-by: librelad <librelad@digitalangels.vip>
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