Merge claude/2

Describe only the current useradd behaviour; drop the narration of the old
silent-failure bug (per the repo's no-tombstone-comments convention).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Signed-off-by: librelad <librelad@digitalangels.vip>

scripts/docker/install/rootless/rootless_user.sh

@@ -6,12 +6,10 @@ installDockerRootlessUser()
         if id "$CFG_DOCKER_INSTALL_USER" &>/dev/null; then
             isSuccessful "User $CFG_DOCKER_INSTALL_USER already exists."
         else
-            # Create the rootless docker user. The login name (last arg) was
+            # Create the rootless docker user. -m makes its home; with SUB_UID/GID
-            # missing, so useradd failed silently — masked by local result; result=$(...)
+            # configured in login.defs, useradd also assigns its subordinate uid/gid
-            # — and the user never existed, breaking the whole rootless setup.
+            # ranges (needed for rootless). Run unmasked so checkSuccess sees real
-            # -m makes its home; with SUB_UID/GID configured in login.defs,
+            # failures.
-            # useradd also assigns its subordinate uid/gid ranges (needed for
-            # rootless). Run unmasked so checkSuccess sees real failures.
             runSystem useradd -m -s /bin/bash -d "/home/$CFG_DOCKER_INSTALL_USER" "$CFG_DOCKER_INSTALL_USER"
             checkSuccess "Creating $CFG_DOCKER_INSTALL_USER User."
         fi