Add 'gniza schedule run <name>' command

Runs a schedule's backup immediately with the correct --remote and
--sysbackup flags from the schedule config. Also fixes WHM Run Now
button to include --sysbackup when enabled.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

bin/gniza

@@ -959,13 +959,18 @@ cmd_schedule() {
             [[ -z "$name" ]] && die "Usage: gniza schedule delete <name>"
             _schedule_delete "$name"
             ;;
+        run)
+            local name="${1:-}"
+            [[ -z "$name" ]] && die "Usage: gniza schedule run <name>"
+            _schedule_run "$name"
+            ;;
         list|ls)
             _schedule_list
             ;;
         install) install_schedules ;;
         show)    show_schedules ;;
         remove)  remove_schedules ;;
-        *)       die "Unknown schedule subcommand: $subcommand"$'\n'"Usage: gniza schedule {add|delete|list|install|show|remove}" ;;
+        *)       die "Unknown schedule subcommand: $subcommand"$'\n'"Usage: gniza schedule {add|delete|run|list|install|show|remove}" ;;
     esac
 }
 
@@ -1077,6 +1082,33 @@ _schedule_delete() {
     echo "Run 'gniza schedule install' to update cron entries."
 }
 
+_schedule_run() {
+    local name="$1"
+    local config_file="$SCHEDULES_DIR/${name}.conf"
+
+    if [[ ! -f "$config_file" ]]; then
+        die "Schedule not found: $name (expected $config_file)"
+    fi
+
+    load_schedule "$name"
+
+    local args=()
+    if [[ -n "${SCHEDULE_REMOTES:-}" ]]; then
+        args+=(--remote="$SCHEDULE_REMOTES")
+    fi
+    if [[ "${SCHEDULE_SYSBACKUP:-}" == "yes" ]]; then
+        args+=(--sysbackup)
+    fi
+
+    echo "Running schedule '$name'..."
+    echo "  Remotes:    ${SCHEDULE_REMOTES:-(all)}"
+    echo "  Sysbackup:  ${SCHEDULE_SYSBACKUP:-no}"
+    echo ""
+
+    # Exec replaces this process with the backup command
+    exec /usr/local/bin/gniza backup "${args[@]}"
+}
+
 _schedule_list() {
     if ! has_schedules; then
         echo "No schedules configured."
@@ -1500,6 +1532,7 @@ ${C_BOLD}Commands:${C_RESET}
   remote    delete <name>                       Remove a remote destination
   schedule  add <name>                          Create a backup schedule
   schedule  delete <name>                       Remove a schedule
+  schedule  run <name>                          Run a schedule now
   schedule  list                                Show configured schedules
   schedule  {install|show|remove}               Manage cron entries
   init                                          Setup config + first remote

whm/gniza-whm/schedules.cgi

@@ -371,6 +371,9 @@ sub handle_run_now {
     if ($remotes ne '') {
         push @cmd, "--remote=$remotes";
     }
+    if (($conf->{SYSBACKUP} // '') eq 'yes') {
+        push @cmd, '--sysbackup';
+    }
 
     my $log_file = "/var/log/gniza/cron-${name}.log";