zsh: okay, actually, *properly* generalize this

zsh/.config/zsh/config.d/00_detect_remote.zsh

@@ -2,11 +2,20 @@
 # processes of this shell and checking for things like sshd/tailscaled. Runs
 # first because multiple other things rely on this.
 
+# names of daemon processes a remote shell might be a child process of
+declare -a remote_daemons
+remote_daemons=(
+    sshd
+    tailscaled
+)
+
 declare -a is_remote
 is_remote=()
 
 proctree="$(pstree -s $$)"
-[[ "$proctree" =~ sshd ]] && is_remote+=sshd
-[[ "$proctree" =~ tailscaled ]] && is_remote+=tailscaled
+for d in $remote_daemons[@]; do
+    [[ "$proctree" =~ $d ]] && is_remote+="$d"
+done
 
 [ -n "$is_remote" ] && export IS_REMOTE_SESSION="$is_remote[@]"
+echo is remote: $IS_REMOTE_SESSION