Add failover setting step controls

src/web/features/failover/FailoverFeature.tsx

@@ -76,17 +76,19 @@ function pulseNumber(event: FormEvent<HTMLInputElement>) {
   ], { duration: 320, easing: 'cubic-bezier(0.16, 1, 0.3, 1)' });
 }
 
-function FailoverNumberSetting({ before, after, value, min, max, disabled, ariaLabel, onChange }: {
+function FailoverNumberSetting({ before, after, value, min, max, step = 10, disabled, ariaLabel, onChange }: {
   before: string;
   after: string;
   value: number;
   min: number;
   max: number;
+  step?: number;
   disabled?: boolean;
   ariaLabel: string;
   onChange: (value: number) => void;
 }) {
-  return <label className="client-failover-number-setting">
+  const set = (next: number) => onChange(Math.min(max, Math.max(min, next)));
+  return <div className="client-failover-number-setting">
     <span>{before}</span>
     <input
       className="client-failover-number-input"
@@ -104,7 +106,11 @@ function FailoverNumberSetting({ before, after, value, min, max, disabled, ariaL
       }}
     />
     <span>{after}</span>
-  </label>;
+    <span className="client-failover-number-steps">
+      <button type="button" aria-label={`${ariaLabel}: уменьшить на ${step}`} disabled={disabled || value <= min} onClick={() => set(value - step)}>−{step}</button>
+      <button type="button" aria-label={`${ariaLabel}: увеличить на ${step}`} disabled={disabled || value >= max} onClick={() => set(value + step)}>+{step}</button>
+    </span>
+  </div>;
 }
 
 const reasonLabel = (reason: string | null) => ({
@@ -513,6 +519,7 @@ export function FailoverPanel({
               after="секунд"
               min={2}
               max={30}
+              step={1}
               ariaLabel={`Время ожидания ответа: ${service?.label || 'сервис недоступен'}`}
               value={seconds(check.timeoutMs)}
               disabled={blocked || !draft.enabled}
@@ -587,8 +594,8 @@ export function FailoverPanel({
         </header>
         <div className="client-failover-protection-options">
           <FailoverNumberSetting before="Оставаться на резервном не меньше" after="секунд" min={60} max={86400} ariaLabel="Минимальное время на резервном канале" value={seconds(draft.minimumReserveMs)} disabled={blocked || !draft.enabled} onChange={(value) => update({ minimumReserveMs: value * 1_000 })} />
-          <FailoverNumberSetting before="Отправлять основной в карантин после" after="повторных сбоев" min={2} max={10} ariaLabel="Количество повторных сбоев" value={draft.flapProtection.count} disabled={blocked || !draft.enabled} onChange={(value) => update({ flapProtection: { ...draft.flapProtection, count: value } })} />
-          <FailoverNumberSetting before="Считать повторными сбои за последние" after="часов" min={1} max={72} ariaLabel="Период повторных сбоев" value={Math.round(draft.flapProtection.windowMs / 3_600_000)} disabled={blocked || !draft.enabled} onChange={(value) => update({ flapProtection: { ...draft.flapProtection, windowMs: value * 3_600_000 } })} />
+          <FailoverNumberSetting before="Отправлять основной в карантин после" after="повторных сбоев" min={2} max={10} step={1} ariaLabel="Количество повторных сбоев" value={draft.flapProtection.count} disabled={blocked || !draft.enabled} onChange={(value) => update({ flapProtection: { ...draft.flapProtection, count: value } })} />
+          <FailoverNumberSetting before="Считать повторными сбои за последние" after="часов" min={1} max={72} step={1} ariaLabel="Период повторных сбоев" value={Math.round(draft.flapProtection.windowMs / 3_600_000)} disabled={blocked || !draft.enabled} onChange={(value) => update({ flapProtection: { ...draft.flapProtection, windowMs: value * 3_600_000 } })} />
           <FailoverNumberSetting before="Не возвращаться на основной после карантина" after="минут" min={10} max={10080} ariaLabel="Длительность карантина основного канала" value={Math.round(draft.flapProtection.quarantineMs / 60_000)} disabled={blocked || !draft.enabled} onChange={(value) => update({ flapProtection: { ...draft.flapProtection, quarantineMs: value * 60_000 } })} />
         </div>
       </section>

src/web/styles/features/failover.css

@@ -41,8 +41,11 @@
 .client-failover-picker-list button[aria-disabled='true'] { color: color-mix(in oklch, var(--client-muted) 58%, transparent); cursor: default; text-shadow: none; }
 .client-failover-number-setting { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0 .55ch; min-height: 42px; color: var(--client-muted); font: var(--type-body); letter-spacing: var(--type-body-tracking); text-transform: var(--type-body-transform); cursor: text; }
 .client-failover-number-setting input { flex: 0 0 auto; min-width: 2ch; min-height: 1.35em; padding: 0; border: 0; border-radius: 0; background: transparent; color: var(--client-text); font: var(--type-item-title); font-variant-numeric: var(--numeric-tabular); letter-spacing: var(--type-item-title-tracking); text-align: center; text-transform: var(--type-item-title-transform); appearance: textfield; transition: color 220ms ease, text-shadow 220ms ease; }
+.client-failover-number-setting input::-webkit-inner-spin-button, .client-failover-number-setting input::-webkit-outer-spin-button { margin: 0; -webkit-appearance: none; }
 .client-failover-number-setting input:disabled { color: var(--client-muted); opacity: .45; }
-.client-failover-global-actions > button:disabled { color: var(--client-muted); cursor: default; opacity: .42; }
+.client-failover-number-steps { display: inline-flex; align-items: baseline; gap: 10px; margin-left: .65ch; }
+.client-failover-number-steps button { min-width: 34px; padding: 5px 0; border: 0; background: transparent; color: var(--client-accent); font: var(--type-control); font-variant-numeric: var(--numeric-tabular); letter-spacing: var(--type-control-tracking); text-transform: var(--type-control-transform); cursor: pointer; }
+.client-failover-number-steps button:disabled, .client-failover-global-actions > button:disabled { color: var(--client-muted); cursor: default; opacity: .42; }
 .client-failover-services { display: grid; gap: 9px; margin: 0; padding: 0; border: 0; }
 .client-failover-services legend { width: 100%; margin-bottom: 14px; padding: 0; }
 .client-failover-section-header { display: grid; gap: 4px; margin-bottom: 12px; }
@@ -84,7 +87,7 @@
 .client-failover-actions button { padding: 7px 0; border: 0; background: transparent; color: var(--client-accent); font: var(--type-control); letter-spacing: var(--type-control-tracking); text-transform: var(--type-control-transform); cursor: pointer; }
 .client-failover-actions small { flex-basis: 100%; margin-top: -14px; color: var(--client-muted); font: var(--type-label); letter-spacing: var(--type-label-tracking); text-transform: var(--type-label-transform); }
 .client-failover-actions button:disabled { color: var(--client-muted); cursor: default; opacity: .45; }
-.client-failover-actions button:focus-visible, .client-failover-service-editor button:focus-visible, .client-failover-discard button:focus-visible, .client-failover-global-actions > button:focus-visible { outline: 2px solid var(--client-accent); outline-offset: 2px; }
+.client-failover-actions button:focus-visible, .client-failover-service-editor button:focus-visible, .client-failover-discard button:focus-visible, .client-failover-global-actions > button:focus-visible, .client-failover-number-steps button:focus-visible { outline: 2px solid var(--client-accent); outline-offset: 2px; }
 .client-failover-form input:not(.client-failover-number-input):focus-visible { outline: 0; border-bottom-color: var(--client-accent); box-shadow: 0 1px 0 color-mix(in oklch, var(--client-accent) 60%, transparent); text-shadow: 0 0 9px color-mix(in oklch, var(--client-accent) 34%, transparent); }
 .client-failover-number-input:focus-visible { outline: 0; color: var(--client-accent); text-shadow: 0 0 9px color-mix(in oklch, var(--client-accent) 38%, transparent); }
 @keyframes failover-service-in { from { opacity: 0; filter: blur(5px); transform: translateY(-4px); } to { opacity: 1; filter: blur(0); transform: translateY(0); } }