sync: apply remote flist fallback, passwordless root finalize, path normalization, INITRAMFS_ARCHIVE guard, /home ensure, and notes

config/zinit/depmod.yaml

@@ -1 +1,2 @@
-exec: depmod -a
+exec: depmod -a
+oneshot: true

config/zinit/gettyconsole.yaml

@@ -1,2 +0,0 @@
-exec: /bin/sh
-restart: always

config/zinit/init/network.sh

@@ -2,7 +2,7 @@
 set -e
 # Ensure dhcpcd user/group exist (some builds expect to drop privileges)
 if ! getent group dhcpcd >/dev/null 2>&1; then addgroup -S dhcpcd 2>/dev/null || true; fi
-if ! getent passwd dhcpcd >/dev/null 2>&1; then adduser -S -H -D -s /sbin/nologin -G dhcpcd dhcpcd 2>/dev/null || true; fi
+if ! getent passwd dhcpcd >/dev/null 2>&1; then adduser -S -D -s /sbin/nologin -G dhcpcd dhcpcd 2>/dev/null || true; fi
 # Exec dhcpcd (will run as root if it cannot drop to dhcpcd user)
 interfaces=$(ip -br l | awk '!/lo/&&!/my0/{print $1}')
-exec dhcpcd $interfaces
+exec dhcpcd -B $interfaces