route-update: support explicit per-group pref override via options

router/functions

@@ -16,6 +16,9 @@ ipcmd_for() { case "$1" in *routes6*) echo "ip -6" ;; *) echo "ip" ;; esac ; }
 # Check if option is set in group's options file
 has_option() { [ -f "$1/options" ] && grep -q "^$2$" "$1/options" 2>/dev/null ; }
 
+# Read a key's value from group's options file: line "key value" → value (e.g. "pref 900")
+option_value() { [ -f "$1/options" ] && awk -v k="$2" '$1==k{print $2; exit}' "$1/options" 2>/dev/null ; }
+
 # Special route-type keywords for gateway: instead of 'via <gw>', emit a kernel route type.
 # blackhole = silent drop; unreachable/prohibit/throw = ICMP back to client → fast failure.
 is_route_type_keyword() {

router/route-update.sh

@@ -710,6 +710,7 @@ load_list_routes()
         if diff -q "$STATE_DIR/$_state/resolved" "$_resolved_new" >/dev/null 2>&1 ; then
             if [ -f "$STATE_DIR/$_state/gateway" ] && diff -q "$STATE_DIR/$_state/gateway" "$_gwdir/gateway" >/dev/null 2>&1 ; then
                 log "$_tag$_label Resolved IPs unchanged, updating hash only"
+                _fixup_rule_pref  # options (pref) may have changed even if routes/gateway didn't
                 echo "$_current_hash" > "$STATE_DIR/$_state/hash"
                 rm -f "$_resolved_new"
                 return 1  # signal: skip loading
@@ -971,6 +972,12 @@ process_routes()
         local pref_base=$((PREF_BASE + group_index * PREF_GROUP_STEP))
         group_index=$((group_index + 1))
 
+        # Explicit per-group pref override (options file: "pref N") — beats the default
+        # alphabetical assignment, e.g. so a group is consulted before 'egw'/'ai' regardless
+        # of its name or locale collation (digits sort last in ru_RU.UTF-8).
+        local _pref_override=$(option_value "$_gwdir" "pref")
+        [ -n "$_pref_override" ] && pref_base="$_pref_override"
+
         process_group "$_gwdir" "$_resolve_func" "$_ipcmd" "$_label" "$pref_base" &
         pids="$pids $!"
     done