fix(services): восстанавливать урезанные общие FQDN без пересоздания сервиса

Legacy toggle оставлял multi-IP привязки с неполным пулом в невидимом preserved — UI терял домены и падал на дубликатах. Чиним hydrate и чиним БД при buildView.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/api/src/app.ts

@@ -38,6 +38,10 @@ import {
   healthEngineFallbacksFromConfig,
   scheduleHealthCheckJob,
 } from "./services/health-check-scheduler.js";
+import {
+  createWeightedDnsTask,
+  scheduleWeightedDnsJob,
+} from "./services/weighted-dns-scheduler.js";
 import { fireEnsureHealthWorker } from "./services/health/health-worker-deploy.js";
 import { AsyncTask, CronJob } from "toad-scheduler";
 
@@ -133,6 +137,7 @@ export async function buildApp(opts: BuildAppOptions = {}) {
     app.decorate("reloadHealthCheckJob", () => {
       scheduleHealthCheckJob(app, config, healthTask);
     });
+    scheduleWeightedDnsJob(app, createWeightedDnsTask(app));
     if (config.cloudflareApiToken) {
       fireEnsureHealthWorker(
         app.db,

apps/api/src/services/dns-service.ts

@@ -64,6 +64,41 @@ function toCfPayload(
   };
 }
 
+function isMissingCfDnsRecord(error: unknown): boolean {
+  const message = error instanceof Error ? error.message : String(error);
+  return /record does not exist|81044/i.test(message);
+}
+
+async function markSynced(
+  db: Db,
+  domainId: number,
+  record: DnsRecord,
+  cfRec: {
+    id?: string | null;
+    type?: string;
+    name: string;
+    content: string;
+    ttl: number;
+    proxied?: boolean | null;
+    priority?: number | null;
+  },
+): Promise<DnsRecord> {
+  repos.updateDnsFields(
+    db,
+    record.id,
+    cfRec.type ?? record.record_type,
+    cfRec.name,
+    cfRec.content,
+    cfRec.ttl,
+    cfRec.proxied ?? false,
+    cfRec.priority ?? null,
+    SYNC_SYNCED,
+    cfRec.id ?? null,
+    null,
+  );
+  return repos.getDnsRecord(db, domainId, record.id);
+}
+
 async function pushRecord(
   db: Db,
   cf: CloudflareClient,
@@ -84,22 +119,24 @@ async function pushRecord(
     const cfRec = record.cf_record_id
       ? await cf.updateDnsRecord(cfZoneId, record.cf_record_id, payload)
       : await cf.createDnsRecord(cfZoneId, payload);
-
-    repos.updateDnsFields(
-      db,
-      record.id,
-      cfRec.type ?? record.record_type,
-      cfRec.name,
-      cfRec.content,
-      cfRec.ttl,
-      cfRec.proxied ?? false,
-      cfRec.priority ?? null,
-      SYNC_SYNCED,
-      cfRec.id ?? null,
-      null,
-    );
-    return repos.getDnsRecord(db, domainId, record.id);
+    return markSynced(db, domainId, record, cfRec);
   } catch (e) {
+    // Stale cf_record_id after manual CF edits / prior buggy sync — recreate.
+    if (record.cf_record_id && isMissingCfDnsRecord(e)) {
+      try {
+        const created = await cf.createDnsRecord(cfZoneId, payload);
+        return markSynced(db, domainId, record, created);
+      } catch (createErr) {
+        repos.setDnsSyncStatus(
+          db,
+          record.id,
+          SYNC_ERROR,
+          null,
+          createErr instanceof Error ? createErr.message : String(createErr),
+        );
+        throw createErr;
+      }
+    }
     repos.setDnsSyncStatus(
       db,
       record.id,

apps/api/src/services/health-check-service.ts

@@ -290,7 +290,7 @@ export interface RunAllChecksOptions {
     target: HealthCheckTarget,
     prevState: IpHealthState | null,
     nextState: IpHealthState,
-  ) => void;
+  ) => void | Promise<void>;
 }
 
 function sleep(ms: number): Promise<void> {
@@ -326,7 +326,7 @@ function logSourceResult(
   });
 }
 
-function applyAggregatedStatus(
+async function applyAggregatedStatus(
   db: Db,
   target: HealthCheckTarget,
   sources: Array<{ provider: HealthCheckProvider; result: ProbeResult }>,
@@ -397,7 +397,7 @@ function applyAggregatedStatus(
     });
   }
   if (prevState !== state) {
-    options.onStatusChange?.(target, prevState, state);
+    await options.onStatusChange?.(target, prevState, state);
   }
 }
 
@@ -513,7 +513,7 @@ export async function runAllChecks(
       for (const source of sources) {
         logSourceResult(db, target, source.provider, source.result);
       }
-      applyAggregatedStatus(db, target, sources, options);
+      await applyAggregatedStatus(db, target, sources, options);
     }
   }
 

apps/api/src/services/node-service.ts

@@ -9,7 +9,10 @@ import type {
 import { AppError } from "../errors.js";
 import { isValidIpv4 } from "../lib/validators.js";
 import { getView } from "./service-config-service.js";
-import { selectActiveIpsByMode } from "./routing/index.js";
+import {
+  isSharedPool,
+  resolveDesiredAIps,
+} from "./routing/index.js";
 
 function assertAddress(address: string): void {
   if (!isValidIpv4(address)) {
@@ -89,8 +92,12 @@ export async function getOverview(
       : null;
 
   const active = new Set<string>();
+  const serviceIps = service.ips.filter(
+    (ip) => service.ip_enabled[ip] !== false,
+  );
   for (const binding of bindings) {
     const metas = repos.listBindingIpsWithMeta(db, binding.id);
+    const targetIps = metas.map((entry) => entry.ip);
     const rows = metas.map((entry) => {
       const status = repos.getIpHealthStatusRow(db, "binding", binding.id, entry.ip);
       return {
@@ -100,12 +107,15 @@ export async function getOverview(
         health: status ? status.status : ("unknown" as const),
       };
     });
-    for (const ip of selectActiveIpsByMode(
+    for (const ip of resolveDesiredAIps(
       {
         lb_mode: binding.lb_mode,
         health_check_enabled: binding.health_check_enabled,
       },
       rows,
+      targetIps,
+      Date.now(),
+      serviceIps,
     )) {
       active.add(ip);
     }
@@ -134,10 +144,13 @@ export function opsSummary(db: Db) {
     if (binding.lb_mode !== "failover" || !binding.health_check_enabled) {
       return false;
     }
-    return binding.target_ips.some((ip) => {
-      const row = repos.getIpHealthStatusRow(db, "binding", binding.id, ip);
-      return row?.status === "down";
-    });
+    return (
+      isSharedPool(binding.target_ips) &&
+      binding.target_ips.some((ip) => {
+        const row = repos.getIpHealthStatusRow(db, "binding", binding.id, ip);
+        return row?.status === "down";
+      })
+    );
   }).length;
   return {
     domains: domains.length,

apps/api/src/services/routing/failover.ts

@@ -1,16 +1,16 @@
 import type { LbIpRow } from "./types.js";
-import { isHealthy } from "./health.js";
+import { isPoolMember } from "./health.js";
 
 export function failoverDesired(rows: LbIpRow[]): string[] {
   if (rows.length === 0) return [];
-  const healthy = rows.filter((r) => isHealthy(r.health));
-  const pool = healthy.length > 0 ? healthy : rows;
+  const live = rows.filter((r) => isPoolMember(r.health));
+  const pool = live.length > 0 ? live : rows;
   const sorted = [...pool].sort(
     (a, b) => a.priority - b.priority || a.weight - b.weight,
   );
   const minPriority = sorted[0]!.priority;
   const primaries = sorted.filter((r) => r.priority === minPriority);
-  if (healthy.length > 0) {
+  if (live.length > 0) {
     return primaries.map((r) => r.ip);
   }
   return [sorted[0]!.ip];

apps/api/src/services/routing/health.ts

@@ -3,3 +3,12 @@ import type { IpHealthState, NodeHealthState } from "@cfdm/shared";
 export function isHealthy(state: IpHealthState | NodeHealthState | string): boolean {
   return state === "up" || state === "healthy";
 }
+
+export function isDown(state: IpHealthState | NodeHealthState | string): boolean {
+  return state === "down" || state === "unhealthy";
+}
+
+/** A-pool membership: only Down is drained. Recovering (unknown/checking) and Slow return immediately. */
+export function isPoolMember(state: IpHealthState | NodeHealthState | string): boolean {
+  return !isDown(state);
+}

apps/api/src/services/routing/index.ts

@@ -1,26 +1,55 @@
 import type { LbMode } from "@cfdm/shared";
 import { failoverDesired } from "./failover.js";
+import { canApplyLb, isSharedPool } from "./pool.js";
 import { roundRobinDesired } from "./round-robin.js";
 import type { LbIpRow, LbTargetConfig } from "./types.js";
+import { weightedDesired } from "./weighted.js";
 
 export type { LbIpRow, LbTargetConfig } from "./types.js";
-export { isHealthy } from "./health.js";
+export { isDown, isHealthy, isPoolMember } from "./health.js";
 export { withBindingLock } from "./binding-lock.js";
+export {
+  canApplyLb,
+  isSharedPool,
+  shouldRecordFailoverDnsDiff,
+  uniqueIpCount,
+} from "./pool.js";
+export { WEIGHTED_DNS_TTL, WEIGHTED_SLOT_MS, weightedDesired } from "./weighted.js";
 
 export function selectActiveIpsByMode(
   config: LbTargetConfig,
   rows: LbIpRow[],
+  nowMs = Date.now(),
 ): string[] {
   if (rows.length === 0) return [];
   if (config.lb_mode === "failover") {
     return failoverDesired(rows);
   }
-  // weighted = round_robin on DNS (one A per IP)
+  if (config.lb_mode === "weighted") {
+    return weightedDesired(rows, nowMs);
+  }
   return roundRobinDesired(rows);
 }
 
+export function resolveDesiredAIps(
+  config: LbTargetConfig,
+  rows: LbIpRow[],
+  fallbackIps: readonly string[],
+  nowMs = Date.now(),
+  serviceIps: readonly string[] = fallbackIps,
+): string[] {
+  const fallback = [...fallbackIps];
+  if (!canApplyLb(serviceIps, fallback)) return fallback;
+  if (!isSharedPool(rows.map((row) => row.ip))) return fallback;
+  if (config.lb_mode === "weighted" || config.health_check_enabled) {
+    const activeIps = selectActiveIpsByMode(config, rows, nowMs);
+    if (activeIps.length > 0) return activeIps;
+  }
+  return fallback;
+}
+
 export function strategyLabel(mode: LbMode): string {
   if (mode === "failover") return "Failover";
-  if (mode === "weighted") return "Round Robin (weighted alias)";
+  if (mode === "weighted") return "Weighted";
   return "Round Robin";
 }

apps/api/src/services/routing/pool.ts

@@ -0,0 +1,30 @@
+import type { LbMode } from "@cfdm/shared";
+
+export function uniqueIpCount(ips: readonly string[]): number {
+  return new Set(ips.filter(Boolean)).size;
+}
+
+/** Shared pool — two or more unique IPs. One IP (even duplicated) is not a pool. */
+export function isSharedPool(ips: readonly string[]): boolean {
+  return uniqueIpCount(ips) >= 2;
+}
+
+/** LB / drain only when the service itself has a pool AND this FQDN is shared. */
+export function canApplyLb(
+  serviceIps: readonly string[],
+  bindingIps: readonly string[],
+): boolean {
+  return isSharedPool(serviceIps) && isSharedPool(bindingIps);
+}
+
+export function shouldRecordFailoverDnsDiff(input: {
+  configuredIps: readonly string[];
+  lbMode: LbMode;
+  added: readonly string[];
+  removed: readonly string[];
+  downIps: ReadonlySet<string>;
+}): boolean {
+  if (!isSharedPool(input.configuredIps)) return false;
+  if (input.lbMode !== "weighted") return true;
+  return [...input.added, ...input.removed].some((ip) => input.downIps.has(ip));
+}

apps/api/src/services/routing/round-robin.ts

@@ -1,8 +1,8 @@
 import type { LbIpRow } from "./types.js";
-import { isHealthy } from "./health.js";
+import { isPoolMember } from "./health.js";
 
 export function roundRobinDesired(rows: LbIpRow[]): string[] {
-  const healthy = rows.filter((r) => isHealthy(r.health));
-  const pool = healthy.length > 0 ? healthy : rows;
+  const live = rows.filter((r) => isPoolMember(r.health));
+  const pool = live.length > 0 ? live : rows;
   return pool.map((r) => r.ip);
 }

apps/api/src/services/routing/weighted.ts

@@ -0,0 +1,24 @@
+import type { LbIpRow } from "./types.js";
+import { isPoolMember } from "./health.js";
+
+/** Slot length for time-sliced weighted DNS (one A at a time). */
+export const WEIGHTED_SLOT_MS = 60_000;
+
+/** Cloudflare DNS-only minimum TTL; Auto (1) is ~300s and would smear ratios. */
+export const WEIGHTED_DNS_TTL = 60;
+
+export function weightedDesired(rows: LbIpRow[], nowMs = Date.now()): string[] {
+  if (rows.length === 0) return [];
+  const live = rows.filter((r) => isPoolMember(r.health));
+  const pool = live.length > 0 ? live : rows;
+  if (pool.length === 1) return [pool[0]!.ip];
+
+  const sorted = [...pool].sort((a, b) => a.ip.localeCompare(b.ip));
+  const cycle: string[] = [];
+  for (const row of sorted) {
+    const weight = Math.max(1, Math.round(row.weight));
+    for (let i = 0; i < weight; i++) cycle.push(row.ip);
+  }
+  const slot = Math.floor(nowMs / WEIGHTED_SLOT_MS) % cycle.length;
+  return [cycle[slot]!];
+}

apps/api/src/services/service-config-service.ts

@@ -29,15 +29,38 @@ import * as domainService from "./domain-service.js";
 import { syncServiceToVpsTracker } from "./vps-tracker-sync.js";
 import { fireEnsureHealthWorker, DEFAULT_HEALTH_FALLBACKS } from "./health/health-worker-deploy.js";
 import {
-  isHealthy,
+  canApplyLb,
+  isPoolMember,
+  isSharedPool,
+  resolveDesiredAIps,
   selectActiveIpsByMode,
+  shouldRecordFailoverDnsDiff,
   withBindingLock,
+  WEIGHTED_DNS_TTL,
   type LbIpRow,
   type LbTargetConfig,
 } from "./routing/index.js";
 
 export type { LbIpRow, LbTargetConfig };
-export { selectActiveIpsByMode };
+export {
+  canApplyLb,
+  resolveDesiredAIps,
+  selectActiveIpsByMode,
+  shouldRecordFailoverDnsDiff,
+};
+
+const AUTO_DNS_TTL = 1;
+
+function ttlForBinding(mode: LbMode, ips: readonly string[]): number {
+  return mode === "weighted" && isSharedPool(ips) ? WEIGHTED_DNS_TTL : AUTO_DNS_TTL;
+}
+
+function enabledServiceIps(db: Db, serviceId: number): string[] {
+  return repos
+    .listServiceIpRows(db, serviceId)
+    .filter((row) => row.enabled)
+    .map((row) => row.ip);
+}
 
 export function failoverARecordDiff(
   existingA: readonly string[],
@@ -65,6 +88,22 @@ function recordFailoverDnsDiff(
   const { added, removed } = failoverARecordDiff(existingA, desiredIps);
   if (added.length === 0 && removed.length === 0) return;
   const binding = repos.getBinding(db, bindingId);
+  const configuredIps = repos.listBindingIps(db, bindingId);
+  const { config, rows } = getBindingLbState(db, bindingId);
+  const downIps = new Set(
+    rows.filter((row) => row.health === "down").map((row) => row.ip),
+  );
+  if (
+    !shouldRecordFailoverDnsDiff({
+      configuredIps,
+      lbMode: config.lb_mode,
+      added,
+      removed,
+      downIps,
+    })
+  ) {
+    return;
+  }
   repos.insertFailoverLog(db, {
     serviceId: binding.service_id,
     bindingId,
@@ -248,7 +287,7 @@ function getGroupLbState(
         } else {
           existing.weight += weight;
           existing.priority = Math.min(existing.priority, priority);
-          if (isHealthy(existing.health) && status && !isHealthy(status.status as IpHealthState)) {
+          if (isPoolMember(existing.health) && status && !isPoolMember(status.status as IpHealthState)) {
             existing.health = status.status as IpHealthState;
           }
         }
@@ -264,16 +303,31 @@ function getGroupLbState(
   };
 }
 
-function computeActiveIps(
+function desiredAIps(
   db: Db,
   scope: HealthCheckScope,
   refId: number,
+  fallbackIps: string[],
 ): string[] {
   const state =
     scope === "binding"
       ? getBindingLbState(db, refId)
       : getGroupLbState(db, refId);
-  return selectActiveIpsByMode(state.config, state.rows);
+  // Configured binding/group IPs stay intact; DNS publishes only enabled ones.
+  const enabledIps =
+    scope === "binding"
+      ? enabledServiceIps(db, repos.getBinding(db, refId).service_id)
+      : fallbackIps;
+  const enabledSet = new Set(enabledIps);
+  const activeFallback = fallbackIps.filter((ip) => enabledSet.has(ip));
+  const activeRows = state.rows.filter((row) => enabledSet.has(row.ip));
+  return resolveDesiredAIps(
+    state.config,
+    activeRows,
+    activeFallback,
+    Date.now(),
+    enabledIps,
+  );
 }
 
 async function collectKnownZones(
@@ -291,7 +345,38 @@ async function collectKnownZones(
   return zones;
 }
 
+/** Restore common A-bindings whose IPs were shrunk by legacy IP toggles. */
+function repairPoolSubsetBindings(db: Db, serviceId: number): void {
+  const pool = repos.listServiceIps(db, serviceId);
+  if (pool.length < 2) return;
+  const poolSet = new Set(pool);
+
+  for (const binding of repos.listBindingsByService(db, serviceId)) {
+    if (binding.cname_target?.trim()) continue;
+    const current = repos.listBindingIpsWithMeta(db, binding.id);
+    if (current.length <= 1) continue;
+    if (!current.every((entry) => poolSet.has(entry.ip))) continue;
+
+    const currentSet = new Set(current.map((entry) => entry.ip));
+    if (currentSet.size === pool.length && pool.every((ip) => currentSet.has(ip))) {
+      continue;
+    }
+
+    const byIp = new Map(current.map((entry) => [entry.ip, entry]));
+    repos.replaceBindingIpsWithMeta(
+      db,
+      binding.id,
+      pool.map((ip) => ({
+        ip,
+        weight: byIp.get(ip)?.weight ?? 1,
+        priority: byIp.get(ip)?.priority ?? 1,
+      })),
+    );
+  }
+}
+
 async function buildView(db: Db, serviceId: number): Promise<ServiceView> {
+  repairPoolSubsetBindings(db, serviceId);
   const service = repos.getService(db, serviceId);
   const ipRows = repos.listServiceIpRows(db, serviceId);
   const ips = ipRows.map((row) => row.ip);
@@ -325,7 +410,7 @@ async function buildView(db: Db, serviceId: number): Promise<ServiceView> {
     const { config, rows } = getBindingLbState(db, binding.id);
     const bindingActiveIps = targetCname
       ? []
-      : selectActiveIpsByMode(config, rows);
+      : resolveDesiredAIps(config, rows, targetIps, Date.now(), ips);
 
     return {
       binding_id: binding.id,
@@ -446,6 +531,21 @@ function fallbackCnameHealth(
   );
 }
 
+function overlayLiveHealth(
+  stored: IpHealthState | undefined,
+  live: IpHealthState | undefined,
+): IpHealthState {
+  if (live && live !== "unknown") return live;
+  return stored ?? live ?? "unknown";
+}
+
+function bestAliveDisplayStatus(statuses: readonly string[]): IpHealthState {
+  if (statuses.some((status) => status === "up")) return "up";
+  if (statuses.some((status) => status === "degraded")) return "degraded";
+  if (statuses.some((status) => status === "down")) return "down";
+  return "unknown";
+}
+
 function attachServiceHealth(
   db: Db,
   views: ServiceView[],
@@ -453,10 +553,13 @@ function attachServiceHealth(
   const ids = views.map((v) => v.id);
   const healthByService = repos.aggregateIpHealthByServiceIds(db, ids);
   const ipHealthByService = repos.listIpHealthByServiceIds(db, ids);
+  const liveByService = repos.listLatestLiveHealthByServiceIds(db, ids);
   return views.map((view) => {
     const health = healthByService.get(view.id);
     const rows = ipHealthByService.get(view.id) ?? [];
+    const liveRows = liveByService.get(view.id) ?? [];
     const byIp = new Map(rows.map((row) => [row.ip, row]));
+    const liveByIp = new Map(liveRows.map((row) => [row.ip, row]));
     const cnameFallback = fallbackCnameHealth(rows, view);
     const aRecordIps = new Set(
       (view.domains ?? []).flatMap((domain) =>
@@ -465,20 +568,33 @@ function attachServiceHealth(
     );
     const ip_health = (view.ips ?? []).map((ip) => {
       const row = byIp.get(ip) ?? (aRecordIps.has(ip) ? undefined : cnameFallback);
+      const live = liveByIp.get(ip);
+      const status = overlayLiveHealth(row?.status, live?.status);
+      const extras = live && live.status !== "unknown" ? live : row;
       return {
         ip,
-        status: row?.status ?? ("unknown" as const),
-        latency_ms: row?.latency_ms ?? null,
-        last_checked_at: row?.last_checked_at ?? null,
-        last_error: row?.last_error ?? null,
-        provider: row?.provider ?? "local",
-        colo: row?.colo ?? null,
+        status,
+        latency_ms: extras?.latency_ms ?? null,
+        last_checked_at: extras?.last_checked_at ?? null,
+        last_error:
+          live && live.status !== "unknown"
+            ? live.last_error
+            : (row?.last_error ?? null),
+        provider: extras?.provider ?? "local",
+        colo: extras?.colo ?? null,
       };
     });
+    const displayStatus = bestAliveDisplayStatus(ip_health.map((row) => row.status));
+    const latencyRow =
+      ip_health.find((row) => row.status === displayStatus && row.latency_ms != null) ??
+      ip_health.find((row) => row.latency_ms != null);
     return {
       ...view,
-      health_status: health?.health_status ?? "unknown",
-      health_latency_ms: health?.health_latency_ms ?? null,
+      health_status: overlayLiveHealth(health?.health_status, displayStatus),
+      health_latency_ms:
+        displayStatus !== "unknown"
+          ? (latencyRow?.latency_ms ?? null)
+          : (health?.health_latency_ms ?? null),
       ip_health,
     };
   });
@@ -613,7 +729,17 @@ async function syncBindingDns(
     return;
   }
 
-  await syncBindingADns(db, cf, bindingId, domainId, hostname, desiredIps);
+  const binding = repos.getBinding(db, bindingId);
+  const configuredIps = repos.listBindingIps(db, bindingId);
+  await syncBindingADns(
+    db,
+    cf,
+    bindingId,
+    domainId,
+    hostname,
+    desiredIps,
+    ttlForBinding(binding.lb_mode, configuredIps),
+  );
 }
 
 async function syncBindingCnameDns(
@@ -700,6 +826,7 @@ async function syncBindingADns(
   domainId: number,
   hostname: string,
   desiredIps: string[],
+  ttl: number,
 ): Promise<void> {
   const domain = repos.getDomain(db, domainId);
   const zoneName = domain.zone_name;
@@ -735,13 +862,15 @@ async function syncBindingADns(
 
   for (const ip of desiredIps) {
     const existing = refreshed.find((r) => r.content === ip);
+    const recordName = dnsNameForBinding(hostname, zoneName);
     let recordId: number;
     if (existing) {
-      if (!dnsRecordNamesMatch(existing.name, hostname, zoneName)) {
+      if (!dnsRecordNamesMatch(existing.name, hostname, zoneName) || existing.ttl !== ttl) {
         await dnsService.update(db, cf, domainId, existing.id, {
           record_type: "A",
-          name: dnsNameForBinding(hostname, zoneName),
+          name: recordName,
           content: ip,
+          ttl,
           proxied: false,
         });
       }
@@ -759,12 +888,24 @@ async function syncBindingADns(
       if (adopted) {
         repos.linkBindingRecord(db, bindingId, adopted.id);
         recordId = adopted.id;
+        if (
+          !dnsRecordNamesMatch(adopted.name, hostname, zoneName) ||
+          adopted.ttl !== ttl
+        ) {
+          await dnsService.update(db, cf, domainId, adopted.id, {
+            record_type: "A",
+            name: recordName,
+            content: ip,
+            ttl,
+            proxied: false,
+          });
+        }
       } else {
         const record = await dnsService.create(db, cf, domainId, {
           record_type: "A",
-          name: dnsNameForBinding(hostname, zoneName),
+          name: recordName,
           content: ip,
-          ttl: 1,
+          ttl,
           proxied: false,
         });
         repos.linkBindingRecord(db, bindingId, record.id);
@@ -1001,12 +1142,7 @@ async function syncServiceBindingsToDns(
     }
     validateTargetIpsInPool(targetIps, ips);
 
-    if (binding.health_check_enabled) {
-      const activeIps = computeActiveIps(db, "binding", binding.id);
-      if (activeIps.length > 0) {
-        targetIps = activeIps;
-      }
-    }
+    const desiredIps = desiredAIps(db, "binding", binding.id, targetIps);
 
     await syncBindingDns(
       db,
@@ -1014,7 +1150,7 @@ async function syncServiceBindingsToDns(
       binding.id,
       binding.domain_id,
       binding.hostname,
-      targetIps,
+      desiredIps,
       null,
     );
   }
@@ -1028,10 +1164,12 @@ async function collectGroupDnsIps(
   const ips: string[] = [];
   for (const service of services) {
     if (!service.enabled) continue;
+    const enabled = new Set(enabledServiceIps(db, service.id));
     const bindings = repos.listBindingsByService(db, service.id);
     for (const binding of bindings) {
       for (const ip of repos.listBindingIps(db, binding.id)) {
-        if (!ips.includes(ip)) ips.push(ip);
+        if (!enabled.has(ip) || ips.includes(ip)) continue;
+        ips.push(ip);
       }
     }
   }
@@ -1046,6 +1184,7 @@ async function syncGroupDomainDnsRecords(
   domainId: number,
   hostname: string,
   desiredIps: string[],
+  ttl: number = AUTO_DNS_TTL,
 ): Promise<void> {
   const domain = repos.getDomain(db, domainId);
   const zoneName = domain.zone_name;
@@ -1061,14 +1200,16 @@ async function syncGroupDomainDnsRecords(
   if (desiredIps.length === 0) return;
 
   const refreshed = repos.listGroupDnsRecords(db, groupId);
+  const recordName = dnsNameForBinding(hostname, zoneName);
   for (const ip of desiredIps) {
     const existing = refreshed.find((r) => r.content === ip);
     if (existing) {
-      if (!dnsRecordNamesMatch(existing.name, hostname, zoneName)) {
+      if (!dnsRecordNamesMatch(existing.name, hostname, zoneName) || existing.ttl !== ttl) {
         await dnsService.update(db, cf, domainId, existing.id, {
           record_type: "A",
-          name: dnsNameForBinding(hostname, zoneName),
+          name: recordName,
           content: ip,
+          ttl,
           proxied: false,
         });
       }
@@ -1084,13 +1225,25 @@ async function syncGroupDomainDnsRecords(
     );
     if (adopted) {
       repos.linkGroupDnsRecord(db, groupId, adopted.id);
+      if (
+        !dnsRecordNamesMatch(adopted.name, hostname, zoneName) ||
+        adopted.ttl !== ttl
+      ) {
+        await dnsService.update(db, cf, domainId, adopted.id, {
+          record_type: "A",
+          name: recordName,
+          content: ip,
+          ttl,
+          proxied: false,
+        });
+      }
       continue;
     }
     const record = await dnsService.create(db, cf, domainId, {
       record_type: "A",
-      name: dnsNameForBinding(hostname, zoneName),
+      name: recordName,
       content: ip,
-      ttl: 1,
+      ttl,
       proxied: false,
     });
     repos.linkGroupDnsRecord(db, groupId, record.id);
@@ -1141,9 +1294,8 @@ async function syncGroupDomainDns(
   const knownZones = await collectKnownZones(db, cf);
   const { zoneName, hostname } = parseFqdn(domainValue, knownZones);
   const domainId = await resolveDomainId(db, cf, zoneName);
-  const desiredIps = group.health_check_enabled
-    ? computeActiveIps(db, "group", groupId)
-    : await collectGroupDnsIps(db, groupId);
+  const fallbackIps = await collectGroupDnsIps(db, groupId);
+  const desiredIps = desiredAIps(db, "group", groupId, fallbackIps);
   await syncGroupDomainDnsRecords(
     db,
     cf,
@@ -1151,6 +1303,7 @@ async function syncGroupDomainDns(
     domainId,
     hostname,
     desiredIps,
+    ttlForBinding(group.lb_mode, fallbackIps),
   );
 }
 
@@ -1331,14 +1484,7 @@ export async function updateConfig(
       }
 
       if (pushDns) {
-        let effectiveIps = targetIps;
-        const refreshedBinding = repos.getBinding(db, binding.id);
-        if (refreshedBinding.health_check_enabled) {
-          const activeIps = computeActiveIps(db, "binding", binding.id);
-          if (activeIps.length > 0) {
-            effectiveIps = activeIps;
-          }
-        }
+        const effectiveIps = desiredAIps(db, "binding", binding.id, targetIps);
         await syncBindingDns(
           db,
           cf,
@@ -1544,26 +1690,8 @@ export async function toggleServiceIp(
     repos.updateNode(db, node.id, { enabled });
   }
 
-  const bindings = repos.listBindingsByService(db, serviceId);
-  for (const binding of bindings) {
-    if (binding.cname_target?.trim()) continue;
-    const current = repos.listBindingIpsWithMeta(db, binding.id);
-    const hasIp = current.some((entry) => entry.ip === ip);
-    if (enabled && !hasIp) {
-      repos.replaceBindingIpsWithMeta(db, binding.id, [
-        ...current,
-        { ip, weight: 1, priority: 1 },
-      ]);
-      continue;
-    }
-    if (!enabled && hasIp) {
-      repos.replaceBindingIpsWithMeta(
-        db,
-        binding.id,
-        current.filter((entry) => entry.ip !== ip),
-      );
-    }
-  }
+  // Keep binding IP membership stable (common FQDN = full pool). DNS sync
+  // filters by enabledServiceIps via desiredAIps — do not reshuffle bindings.
 
   const service = repos.getService(db, serviceId);
   if (shouldPushDns(db, service)) {
@@ -1644,16 +1772,18 @@ export async function reconcileDnsForTarget(
   if (scope === "binding") {
     await withBindingLock(refId, async () => {
       const binding = repos.getBinding(db, refId);
-      if (!binding.health_check_enabled) return;
+      if (!binding.health_check_enabled && binding.lb_mode !== "weighted") return;
       const service = repos.getService(db, binding.service_id);
       if (!shouldPushDns(db, service)) return;
       const cnameTarget = binding.cname_target?.trim() || null;
       if (cnameTarget) return;
       const ips = repos.listServiceIps(db, service.id);
+      const poolIps = enabledServiceIps(db, service.id);
       const targetIps = repos.listBindingIps(db, binding.id);
       validateTargetIpsInPool(targetIps, ips);
-      const activeIps = computeActiveIps(db, "binding", refId);
-      const desiredIps = activeIps.length > 0 ? activeIps : targetIps;
+      const desiredIps = canApplyLb(poolIps, targetIps)
+        ? desiredAIps(db, "binding", refId, targetIps)
+        : targetIps;
       await syncBindingDns(
         db,
         cf,
@@ -1668,8 +1798,61 @@ export async function reconcileDnsForTarget(
   }
 
   const group = repos.getServiceGroup(db, refId);
-  if (!group.enabled || !group.domain?.trim() || !group.health_check_enabled) {
+  if (!group.enabled || !group.domain?.trim()) {
+    return;
+  }
+  if (!group.health_check_enabled && group.lb_mode !== "weighted") {
     return;
   }
   await syncGroupDomainDns(db, cf, refId);
 }
+
+export async function reconcileWeightedDns(
+  db: Db,
+  cf: CloudflareClient,
+): Promise<number> {
+  let n = 0;
+  for (const binding of repos.listAllBindings(db)) {
+    if (binding.lb_mode !== "weighted") continue;
+    if (binding.cname_target?.trim()) continue;
+    if (!isSharedPool(binding.target_ips ?? [])) continue;
+    try {
+      await withBindingLock(binding.id, async () => {
+        const latest = repos.getBinding(db, binding.id);
+        if (latest.lb_mode !== "weighted") return;
+        if (latest.cname_target?.trim()) return;
+        const service = repos.getService(db, latest.service_id);
+        if (!shouldPushDns(db, service)) return;
+        const targetIps = repos.listBindingIps(db, latest.id);
+        const poolIps = enabledServiceIps(db, service.id);
+        if (!canApplyLb(poolIps, targetIps)) return;
+        const ips = repos.listServiceIps(db, service.id);
+        validateTargetIpsInPool(targetIps, ips);
+        const desiredIps = desiredAIps(db, "binding", latest.id, targetIps);
+        await syncBindingDns(
+          db,
+          cf,
+          latest.id,
+          latest.domain_id,
+          latest.hostname,
+          desiredIps,
+          null,
+        );
+        n += 1;
+      });
+    } catch {
+      continue;
+    }
+  }
+  for (const group of repos.listServiceGroups(db)) {
+    if (group.lb_mode !== "weighted") continue;
+    if (!group.enabled || !group.domain?.trim()) continue;
+    try {
+      await syncGroupDomainDns(db, cf, group.id);
+      n += 1;
+    } catch {
+      continue;
+    }
+  }
+  return n;
+}

apps/api/src/services/vps-tracker-sync.ts

@@ -1,8 +1,53 @@
 import { resolve4 } from "node:dns/promises";
-import type { CfdmBindingSyncItem, ServiceBindingView } from "@cfdm/shared";
+import type { CfdmBindingSyncItem, LbMode, ServiceBindingView } from "@cfdm/shared";
 import { isIpLiteral } from "@cfdm/shared";
 import type { Db } from "@cfdm/db";
 import { repos, getAppSettingsSecrets, touchVpsTrackerSync } from "@cfdm/db";
+import { isSharedPool } from "./routing/pool.js";
+
+export function isLbMode(value: unknown): value is LbMode {
+  return value === "round_robin" || value === "failover" || value === "weighted";
+}
+
+/** lb_mode binding, иначе service group. */
+export function resolveLbModeForSync(
+  bindingLbMode: string | undefined | null,
+  groupLbMode?: string | null,
+): LbMode | undefined {
+  if (isLbMode(bindingLbMode)) return bindingLbMode;
+  if (isLbMode(groupLbMode)) return groupLbMode;
+  return undefined;
+}
+
+/** Effective HA only when the service has two or more unique origin IPs. */
+export function effectiveLbModeForSync(
+  bindingLbMode: string | undefined | null,
+  groupLbMode: string | undefined | null,
+  serviceIps: readonly string[],
+): LbMode | undefined {
+  if (!isSharedPool(serviceIps)) return undefined;
+  return resolveLbModeForSync(bindingLbMode, groupLbMode);
+}
+
+function groupLbModeForService(
+  db: Db,
+  serviceId: number,
+  cache: Map<number, LbMode | undefined>,
+): LbMode | undefined {
+  if (cache.has(serviceId)) return cache.get(serviceId);
+  let mode: LbMode | undefined;
+  try {
+    const service = repos.getService(db, serviceId);
+    if (service.service_group_id != null) {
+      const group = repos.getServiceGroup(db, service.service_group_id);
+      mode = resolveLbModeForSync(undefined, group.lb_mode);
+    }
+  } catch {
+    mode = undefined;
+  }
+  cache.set(serviceId, mode);
+  return mode;
+}
 
 function fqdnToDisplay(hostname: string, zoneName: string): string {
   if (hostname === "@" || !hostname.trim()) return zoneName;
@@ -126,10 +171,13 @@ export async function buildServiceSyncBindingsAsync(
   const allBindings = repos.listAllBindings(db);
   const index = buildBindingIndex(allBindings);
   const bindings = allBindings.filter((row) => row.service_id === serviceId);
+  const groupLbCache = new Map<number, LbMode | undefined>();
+  const groupLb = groupLbModeForService(db, serviceId, groupLbCache);
 
   const items: CfdmBindingSyncItem[] = [];
   for (const binding of bindings) {
     const ips = await resolveBindingIpsForSync(binding, serviceIps, index, db);
+    const lbMode = effectiveLbModeForSync(binding.lb_mode, groupLb, serviceIps);
     items.push({
       bindingId: binding.id,
       serviceId: service.id,
@@ -140,6 +188,7 @@ export async function buildServiceSyncBindingsAsync(
       hostname: binding.hostname,
       ips,
       cnameTarget: cnameTargetForSync(binding),
+      ...(lbMode ? { lbMode } : {}),
     });
   }
 
@@ -166,6 +215,7 @@ export async function buildAllSyncBindings(
   const bindings = repos.listAllBindings(db);
   const index = buildBindingIndex(bindings);
   const serviceIpCache = new Map<number, string[]>();
+  const groupLbCache = new Map<number, LbMode | undefined>();
 
   const items: CfdmBindingSyncItem[] = [];
   for (const binding of bindings) {
@@ -175,6 +225,8 @@ export async function buildAllSyncBindings(
       serviceIpCache.set(binding.service_id, serviceIps);
     }
     const ips = await resolveBindingIpsForSync(binding, serviceIps, index, db);
+    const groupLb = groupLbModeForService(db, binding.service_id, groupLbCache);
+    const lbMode = effectiveLbModeForSync(binding.lb_mode, groupLb, serviceIps);
     items.push({
       bindingId: binding.id,
       serviceId: binding.service_id,
@@ -185,6 +237,7 @@ export async function buildAllSyncBindings(
       hostname: binding.hostname,
       ips,
       cnameTarget: cnameTargetForSync(binding),
+      ...(lbMode ? { lbMode } : {}),
     });
   }
   return items;

apps/api/src/services/weighted-dns-scheduler.ts

@@ -0,0 +1,39 @@
+import type { FastifyInstance } from "fastify";
+import { AsyncTask, SimpleIntervalJob } from "toad-scheduler";
+import * as serviceConfigService from "./service-config-service.js";
+import { WEIGHTED_SLOT_MS } from "./routing/weighted.js";
+
+export const WEIGHTED_DNS_JOB_ID = "weighted-dns";
+
+export function createWeightedDnsTask(app: FastifyInstance): AsyncTask {
+  return new AsyncTask(
+    WEIGHTED_DNS_JOB_ID,
+    async () => {
+      const n = await serviceConfigService.reconcileWeightedDns(app.db, app.cf);
+      if (n > 0) {
+        app.log.info({ reconciled: n }, "weighted dns rotated");
+      }
+    },
+    (err) => {
+      app.log.warn({ err }, "weighted dns rotate failed");
+    },
+  );
+}
+
+export function scheduleWeightedDnsJob(
+  app: FastifyInstance,
+  task: AsyncTask,
+): void {
+  const scheduler = app.scheduler;
+  if (!scheduler) return;
+  if (scheduler.existsById(WEIGHTED_DNS_JOB_ID)) {
+    scheduler.removeById(WEIGHTED_DNS_JOB_ID);
+  }
+  scheduler.addSimpleIntervalJob(
+    new SimpleIntervalJob(
+      { seconds: WEIGHTED_SLOT_MS / 1000, runImmediately: true },
+      task,
+      { id: WEIGHTED_DNS_JOB_ID, preventOverrun: true },
+    ),
+  );
+}

apps/api/test/health-check.test.ts

@@ -436,4 +436,46 @@ describe("CNAME health mapped onto service IPs", () => {
     const view = await getView(db, service.id);
     expect(view.health_status).toBe("up");
   });
+
+  it("getView shows live OK over hysteresis unknown", async () => {
+    const { createMemoryDb, repos, runMigrations } = await import("@cfdm/db");
+    const { getView } = await import("../src/services/service-config-service.js");
+    const { db, sqlite } = createMemoryDb();
+    runMigrations(sqlite);
+
+    const domain = repos.createDomain(db, null, "rkns.top", "zone-id");
+    const service = repos.createService(db, "RW Panel", "rw-panel");
+    repos.replaceServiceIps(db, service.id, ["2.59.161.102"]);
+    const binding = repos.insertBinding(db, domain.id, service.id, "c", null);
+    repos.replaceBindingIpsWithMeta(db, binding.id, [
+      { ip: "2.59.161.102", weight: 1, priority: 1 },
+    ]);
+    repos.upsertIpHealthStatus(
+      db,
+      "binding",
+      binding.id,
+      "2.59.161.102",
+      "unknown",
+      63,
+      0,
+      null,
+      1,
+    );
+    repos.insertHealthProbeLog(db, {
+      scope: "binding",
+      refId: binding.id,
+      ip: "2.59.161.102",
+      provider: "local",
+      status: "up",
+      ok: true,
+      latencyMs: 63,
+      colo: null,
+      error: null,
+    });
+
+    const view = await getView(db, service.id);
+    expect(view.health_status).toBe("up");
+    expect(view.ip_health[0]?.status).toBe("up");
+    expect(view.ip_health[0]?.latency_ms).toBe(63);
+  });
 });

apps/api/test/lb-reconcile.test.ts

@@ -1,9 +1,12 @@
 import { describe, expect, it } from "vitest";
 import {
+  resolveDesiredAIps,
   selectActiveIpsByMode,
+  shouldRecordFailoverDnsDiff,
   type LbIpRow,
   type LbTargetConfig,
 } from "../src/services/service-config-service.js";
+import { WEIGHTED_SLOT_MS } from "../src/services/routing/weighted.js";
 
 function row(
   ip: string,
@@ -17,6 +20,11 @@ function row(
   };
 }
 
+const weightedConfig: LbTargetConfig = {
+  lb_mode: "weighted",
+  health_check_enabled: true,
+};
+
 describe("selectActiveIpsByMode", () => {
   it("round_robin returns all healthy ips, falls back to all if none healthy", () => {
     const config: LbTargetConfig = {
@@ -62,6 +70,18 @@ describe("selectActiveIpsByMode", () => {
     expect(selectActiveIpsByMode(config, rows)).toEqual(["1.1.1.1"]);
   });
 
+  it("failover returns recovering unknown primary immediately", () => {
+    const config: LbTargetConfig = {
+      lb_mode: "failover",
+      health_check_enabled: true,
+    };
+    const rows = [
+      row("1.1.1.1", { priority: 1, health: "unknown" }),
+      row("2.2.2.2", { priority: 2, health: "up" }),
+    ];
+    expect(selectActiveIpsByMode(config, rows)).toEqual(["1.1.1.1"]);
+  });
+
   it("failover falls back to min-priority ip among all when none healthy", () => {
     const config: LbTargetConfig = {
       lb_mode: "failover",
@@ -75,23 +95,61 @@ describe("selectActiveIpsByMode", () => {
     expect(selectActiveIpsByMode(config, rows)).toEqual(["2.2.2.2"]);
   });
 
-  it("weighted returns all healthy ips (one A per ip; weights stored for display)", () => {
-    const config: LbTargetConfig = {
-      lb_mode: "weighted",
-      health_check_enabled: true,
-    };
+  it("weighted 1:3 picks the lighter ip on slot 0 and the heavier on slot 1", () => {
     const rows = [
-      row("1.1.1.1", { weight: 3, health: "up" }),
-      row("2.2.2.2", { weight: 1, health: "up" }),
-      row("3.3.3.3", { weight: 2, health: "down" }),
+      row("1.1.1.1", { weight: 1, health: "up" }),
+      row("2.2.2.2", { weight: 3, health: "up" }),
     ];
-    expect(selectActiveIpsByMode(config, rows).sort()).toEqual([
-      "1.1.1.1",
+    expect(selectActiveIpsByMode(weightedConfig, rows, 0)).toEqual(["1.1.1.1"]);
+    expect(selectActiveIpsByMode(weightedConfig, rows, WEIGHTED_SLOT_MS)).toEqual([
       "2.2.2.2",
     ]);
   });
 
-  it("round_robin excludes unknown when another ip is up", () => {
+  it("weighted excludes down ips from the cycle", () => {
+    const rows = [
+      row("1.1.1.1", { weight: 1, health: "up" }),
+      row("2.2.2.2", { weight: 3, health: "down" }),
+    ];
+    expect(selectActiveIpsByMode(weightedConfig, rows, 0)).toEqual(["1.1.1.1"]);
+    expect(
+      selectActiveIpsByMode(weightedConfig, rows, WEIGHTED_SLOT_MS),
+    ).toEqual(["1.1.1.1"]);
+  });
+
+  it("weighted includes recovering unknown in the cycle", () => {
+    const rows = [
+      row("1.1.1.1", { weight: 1, health: "up" }),
+      row("2.2.2.2", { weight: 3, health: "unknown" }),
+    ];
+    expect(selectActiveIpsByMode(weightedConfig, rows, 0)).toEqual(["1.1.1.1"]);
+    expect(
+      selectActiveIpsByMode(weightedConfig, rows, WEIGHTED_SLOT_MS),
+    ).toEqual(["2.2.2.2"]);
+  });
+
+  it("weighted with one ip always returns that ip", () => {
+    expect(
+      selectActiveIpsByMode(weightedConfig, [row("1.1.1.1", { weight: 5 })], 0),
+    ).toEqual(["1.1.1.1"]);
+  });
+
+  it("weighted with all unknown rotates across every ip", () => {
+    const rows = [
+      row("1.1.1.1", { weight: 1, health: "unknown" }),
+      row("2.2.2.2", { weight: 3, health: "unknown" }),
+    ];
+    expect(selectActiveIpsByMode(weightedConfig, rows, 0)).toEqual(["1.1.1.1"]);
+    expect(selectActiveIpsByMode(weightedConfig, rows, WEIGHTED_SLOT_MS)).toEqual([
+      "2.2.2.2",
+    ]);
+  });
+
+  it("weighted returns empty array for no rows", () => {
+    expect(selectActiveIpsByMode(weightedConfig, [], 0)).toEqual([]);
+  });
+
+  it("round_robin puts recovering unknown back with live ips", () => {
     const config: LbTargetConfig = {
       lb_mode: "round_robin",
       health_check_enabled: true,
@@ -100,7 +158,25 @@ describe("selectActiveIpsByMode", () => {
       row("1.1.1.1", { health: "up" }),
       row("2.2.2.2", { health: "unknown" }),
     ];
-    expect(selectActiveIpsByMode(config, rows)).toEqual(["1.1.1.1"]);
+    expect(selectActiveIpsByMode(config, rows).sort()).toEqual([
+      "1.1.1.1",
+      "2.2.2.2",
+    ]);
+  });
+
+  it("round_robin keeps degraded in the pool with live ips", () => {
+    const config: LbTargetConfig = {
+      lb_mode: "round_robin",
+      health_check_enabled: true,
+    };
+    const rows = [
+      row("1.1.1.1", { health: "up" }),
+      row("2.2.2.2", { health: "degraded" }),
+    ];
+    expect(selectActiveIpsByMode(config, rows).sort()).toEqual([
+      "1.1.1.1",
+      "2.2.2.2",
+    ]);
   });
 
   it("returns empty array for no rows", () => {
@@ -111,3 +187,115 @@ describe("selectActiveIpsByMode", () => {
     expect(selectActiveIpsByMode(config, [])).toEqual([]);
   });
 });
+
+describe("resolveDesiredAIps", () => {
+  it("keeps a dedicated single IP even when down", () => {
+    expect(
+      resolveDesiredAIps(
+        weightedConfig,
+        [row("1.1.1.1", { health: "down" })],
+        ["1.1.1.1"],
+      ),
+    ).toEqual(["1.1.1.1"]);
+  });
+
+  it("does not drain when the service has only one unique IP", () => {
+    expect(
+      resolveDesiredAIps(
+        weightedConfig,
+        [row("1.1.1.1", { health: "down" })],
+        ["1.1.1.1", "1.1.1.1"],
+        0,
+        ["1.1.1.1"],
+      ),
+    ).toEqual(["1.1.1.1", "1.1.1.1"]);
+  });
+
+  it("does not apply overlay when service pool is a single IP", () => {
+    const rows = [
+      row("1.1.1.1", { health: "up" }),
+      row("2.2.2.2", { health: "down" }),
+    ];
+    expect(
+      resolveDesiredAIps(
+        weightedConfig,
+        rows,
+        ["1.1.1.1", "2.2.2.2"],
+        0,
+        ["1.1.1.1"],
+      ),
+    ).toEqual(["1.1.1.1", "2.2.2.2"]);
+  });
+
+  it("applies weighted overlay on a shared pool", () => {
+    const rows = [
+      row("1.1.1.1", { weight: 1, health: "up" }),
+      row("2.2.2.2", { weight: 3, health: "up" }),
+    ];
+    expect(
+      resolveDesiredAIps(weightedConfig, rows, ["1.1.1.1", "2.2.2.2"], 0),
+    ).toEqual(selectActiveIpsByMode(weightedConfig, rows, 0));
+  });
+});
+
+describe("shouldRecordFailoverDnsDiff", () => {
+  it("skips duplicate listings of the same IP", () => {
+    expect(
+      shouldRecordFailoverDnsDiff({
+        configuredIps: ["1.1.1.1", "1.1.1.1"],
+        lbMode: "failover",
+        added: [],
+        removed: ["1.1.1.1"],
+        downIps: new Set(["1.1.1.1"]),
+      }),
+    ).toBe(false);
+  });
+
+  it("skips dedicated extra-FQDN", () => {
+    expect(
+      shouldRecordFailoverDnsDiff({
+        configuredIps: ["1.1.1.1"],
+        lbMode: "failover",
+        added: [],
+        removed: ["1.1.1.1"],
+        downIps: new Set(["1.1.1.1"]),
+      }),
+    ).toBe(false);
+  });
+
+  it("skips weighted live-to-live slot swap", () => {
+    expect(
+      shouldRecordFailoverDnsDiff({
+        configuredIps: ["1.1.1.1", "2.2.2.2"],
+        lbMode: "weighted",
+        added: ["2.2.2.2"],
+        removed: ["1.1.1.1"],
+        downIps: new Set(),
+      }),
+    ).toBe(false);
+  });
+
+  it("logs weighted swap when a down ip leaves the pool", () => {
+    expect(
+      shouldRecordFailoverDnsDiff({
+        configuredIps: ["1.1.1.1", "2.2.2.2"],
+        lbMode: "weighted",
+        added: ["2.2.2.2"],
+        removed: ["1.1.1.1"],
+        downIps: new Set(["1.1.1.1"]),
+      }),
+    ).toBe(true);
+  });
+
+  it("logs failover diffs on a shared pool", () => {
+    expect(
+      shouldRecordFailoverDnsDiff({
+        configuredIps: ["1.1.1.1", "2.2.2.2"],
+        lbMode: "failover",
+        added: ["2.2.2.2"],
+        removed: ["1.1.1.1"],
+        downIps: new Set(["1.1.1.1"]),
+      }),
+    ).toBe(true);
+  });
+});

apps/api/test/services-create-list.test.ts

@@ -6,6 +6,7 @@ import { buildApp } from "../src/app.js";
 import { loadConfig } from "../src/config.js";
 import {
   listGroupViews,
+  toggleServiceIp,
   updateConfig,
 } from "../src/services/service-config-service.js";
 
@@ -250,7 +251,7 @@ describe("create service then list groups", () => {
     await app.close();
   });
 
-  it("PATCH /services/:id/ips/toggle keeps IP in pool and removes it from A-binding", async () => {
+  it("PATCH /services/:id/ips/toggle keeps IP in pool and in A-binding", async () => {
     const app = await buildApp({
       config: { ...loadConfig(), staticDir: null },
       memory: true,
@@ -280,6 +281,18 @@ describe("create service then list groups", () => {
     expect(createRes.statusCode).toBe(200);
     const created = createRes.json() as { id: number };
 
+    const domainPayload = {
+      lb_mode: "round_robin" as const,
+      health_check_enabled: false,
+      health_check_type: "tcp" as const,
+      health_check_port: 443,
+      health_check_path: null,
+      health_check_expected_status: null,
+      health_check_interval_sec: 30,
+      health_check_timeout_ms: 3000,
+      health_check_verify_tls: false,
+    };
+
     await updateConfig(app.db, cf, created.id, {
       ips: ["1.2.3.4", "5.6.7.8"],
       service_group_id: group.id,
@@ -289,23 +302,81 @@ describe("create service then list groups", () => {
           target_ips: ["1.2.3.4", "5.6.7.8"],
           target_ip_weights: { "1.2.3.4": 1, "5.6.7.8": 1 },
           target_ip_priorities: { "1.2.3.4": 1, "5.6.7.8": 1 },
-          lb_mode: "round_robin",
-          health_check_enabled: false,
-          health_check_type: "tcp",
-          health_check_port: 443,
-          health_check_path: null,
-          health_check_expected_status: null,
-          health_check_interval_sec: 30,
-          health_check_timeout_ms: 3000,
-          health_check_verify_tls: false,
+          ...domainPayload,
+        },
+        {
+          fqdn: "extra.example.com",
+          target_ips: ["1.2.3.4"],
+          target_ip_weights: { "1.2.3.4": 1 },
+          target_ip_priorities: { "1.2.3.4": 1 },
+          ...domainPayload,
         },
       ],
     });
 
-    // HTTP toggle uses request.server.cf; disable DNS push so the test
-    // does not call the real Cloudflare client.
-    repos.setServiceEnabled(app.db, created.id, false);
+    const commonBinding = repos
+      .listBindingsByService(app.db, created.id)
+      .find((b) => b.hostname === "panel")!;
+    const extraBinding = repos
+      .listBindingsByService(app.db, created.id)
+      .find((b) => b.hostname === "extra")!;
+    expect(repos.listBindingIps(app.db, commonBinding.id)).toEqual(
+      expect.arrayContaining(["1.2.3.4", "5.6.7.8"]),
+    );
+    expect(
+      repos
+        .listRecordsForBinding(app.db, commonBinding.id)
+        .map((r) => r.content)
+        .sort(),
+    ).toEqual(["1.2.3.4", "5.6.7.8"]);
 
+    // Direct service call with mock CF — keep HTTP path free of real Cloudflare.
+    await toggleServiceIp(app.db, cf, created.id, "1.2.3.4", false);
+
+    expect(repos.listServiceIps(app.db, created.id)).toEqual(
+      expect.arrayContaining(["1.2.3.4", "5.6.7.8"]),
+    );
+    expect(
+      repos.listServiceIpRows(app.db, created.id).find((r) => r.ip === "1.2.3.4")
+        ?.enabled,
+    ).toBe(false);
+    // Common + per-IP bindings keep configured IPs (UI hydrate stays stable).
+    expect(repos.listBindingIps(app.db, commonBinding.id)).toEqual(
+      expect.arrayContaining(["1.2.3.4", "5.6.7.8"]),
+    );
+    expect(repos.listBindingIps(app.db, extraBinding.id)).toEqual(["1.2.3.4"]);
+    // DNS for common FQDN drops the disabled IP only.
+    expect(
+      repos
+        .listRecordsForBinding(app.db, commonBinding.id)
+        .map((r) => r.content)
+        .sort(),
+    ).toEqual(["5.6.7.8"]);
+    // Per-IP extra FQDN has no enabled targets → A records removed.
+    expect(repos.listRecordsForBinding(app.db, extraBinding.id)).toEqual([]);
+
+    await toggleServiceIp(app.db, cf, created.id, "1.2.3.4", true);
+    expect(
+      repos.listServiceIpRows(app.db, created.id).find((r) => r.ip === "1.2.3.4")
+        ?.enabled,
+    ).toBe(true);
+    expect(repos.listBindingIps(app.db, commonBinding.id)).toEqual(
+      expect.arrayContaining(["1.2.3.4", "5.6.7.8"]),
+    );
+    expect(
+      repos
+        .listRecordsForBinding(app.db, commonBinding.id)
+        .map((r) => r.content)
+        .sort(),
+    ).toEqual(["1.2.3.4", "5.6.7.8"]);
+    expect(
+      repos
+        .listRecordsForBinding(app.db, extraBinding.id)
+        .map((r) => r.content),
+    ).toEqual(["1.2.3.4"]);
+
+    // HTTP toggle still updates ip_enabled without mutating bindings.
+    repos.setServiceEnabled(app.db, created.id, false);
     const offRes = await app.inject({
       method: "PATCH",
       url: `/api/v1/services/${created.id}/ips/toggle`,
@@ -319,24 +390,117 @@ describe("create service then list groups", () => {
     };
     expect(offView.ips).toEqual(expect.arrayContaining(["1.2.3.4", "5.6.7.8"]));
     expect(offView.ip_enabled["1.2.3.4"]).toBe(false);
-    expect(offView.ip_enabled["5.6.7.8"]).toBe(true);
-
-    const binding = repos.listBindingsByService(app.db, created.id)[0]!;
-    expect(repos.listBindingIps(app.db, binding.id)).toEqual(["5.6.7.8"]);
-
-    const onRes = await app.inject({
-      method: "PATCH",
-      url: `/api/v1/services/${created.id}/ips/toggle`,
-      headers,
-      payload: { ip: "1.2.3.4", enabled: true },
-    });
-    expect(onRes.statusCode).toBe(200);
-    const onView = onRes.json() as { ip_enabled: Record<string, boolean> };
-    expect(onView.ip_enabled["1.2.3.4"]).toBe(true);
-    expect(repos.listBindingIps(app.db, binding.id)).toEqual(
+    expect(repos.listBindingIps(app.db, commonBinding.id)).toEqual(
       expect.arrayContaining(["1.2.3.4", "5.6.7.8"]),
     );
 
     await app.close();
   });
+
+  it("GET /services/:id repairs multi-IP bindings shrunk below the pool", async () => {
+    const app = await buildApp({
+      config: { ...loadConfig(), staticDir: null },
+      memory: true,
+    });
+    const headers = await authHeaders(app);
+    const cf = mockCf();
+
+    repos.createDomain(app.db, null, "example.com", "zone-1");
+    const group = repos.createServiceGroup(
+      app.db,
+      "VPN",
+      "vpn-repair",
+      null,
+      "vpn.example.com",
+    );
+
+    const createRes = await app.inject({
+      method: "POST",
+      url: "/api/v1/services",
+      headers,
+      payload: {
+        name: "Repair",
+        slug: "panel-ip-repair",
+        service_group_id: group.id,
+      },
+    });
+    expect(createRes.statusCode).toBe(200);
+    const created = createRes.json() as { id: number };
+
+    await updateConfig(app.db, cf, created.id, {
+      ips: ["1.2.3.4", "5.6.7.8", "9.9.9.9"],
+      service_group_id: group.id,
+      domains: [
+        {
+          fqdn: "gw.example.com",
+          target_ips: ["1.2.3.4", "5.6.7.8", "9.9.9.9"],
+          target_ip_weights: { "1.2.3.4": 1, "5.6.7.8": 1, "9.9.9.9": 1 },
+          target_ip_priorities: { "1.2.3.4": 1, "5.6.7.8": 1, "9.9.9.9": 1 },
+          lb_mode: "round_robin",
+          health_check_enabled: false,
+          health_check_type: "tcp",
+          health_check_port: 443,
+          health_check_path: null,
+          health_check_expected_status: null,
+          health_check_interval_sec: 30,
+          health_check_timeout_ms: 3000,
+          health_check_verify_tls: false,
+        },
+        {
+          fqdn: "extra.example.com",
+          target_ips: ["1.2.3.4"],
+          target_ip_weights: { "1.2.3.4": 1 },
+          target_ip_priorities: { "1.2.3.4": 1 },
+          lb_mode: "round_robin",
+          health_check_enabled: false,
+          health_check_type: "tcp",
+          health_check_port: 443,
+          health_check_path: null,
+          health_check_expected_status: null,
+          health_check_interval_sec: 30,
+          health_check_timeout_ms: 3000,
+          health_check_verify_tls: false,
+        },
+      ],
+    });
+
+    const commonBinding = repos
+      .listBindingsByService(app.db, created.id)
+      .find((b) => b.hostname === "gw")!;
+    const extraBinding = repos
+      .listBindingsByService(app.db, created.id)
+      .find((b) => b.hostname === "extra")!;
+
+    // Simulate legacy toggle damage: shrink common binding, leave extra alone.
+    repos.replaceBindingIpsWithMeta(app.db, commonBinding.id, [
+      { ip: "1.2.3.4", weight: 1, priority: 1 },
+      { ip: "5.6.7.8", weight: 1, priority: 1 },
+    ]);
+    expect(repos.listBindingIps(app.db, commonBinding.id)).toEqual([
+      "1.2.3.4",
+      "5.6.7.8",
+    ]);
+
+    const getRes = await app.inject({
+      method: "GET",
+      url: `/api/v1/services/${created.id}`,
+      headers,
+    });
+    expect(getRes.statusCode).toBe(200);
+    const view = getRes.json() as {
+      domains: Array<{ fqdn: string; target_ips: string[] }>;
+    };
+    const gw = view.domains.find((d) => d.fqdn === "gw.example.com");
+    const extra = view.domains.find((d) => d.fqdn === "extra.example.com");
+    expect(gw?.target_ips.sort()).toEqual(["1.2.3.4", "5.6.7.8", "9.9.9.9"]);
+    expect(extra?.target_ips).toEqual(["1.2.3.4"]);
+    expect(repos.listBindingIps(app.db, commonBinding.id).sort()).toEqual([
+      "1.2.3.4",
+      "5.6.7.8",
+      "9.9.9.9",
+    ]);
+    expect(repos.listBindingIps(app.db, extraBinding.id)).toEqual(["1.2.3.4"]);
+
+    await app.close();
+  });
 });

apps/api/test/vps-tracker-sync.test.ts

@@ -1,6 +1,13 @@
 import { describe, expect, it } from "vitest";
-import type { ServiceBindingView } from "@cfdm/shared";
-import { resolveBindingIpsForSync } from "../src/services/vps-tracker-sync.js";
+import {
+  cfdmBindingSyncItemSchema,
+  type ServiceBindingView,
+} from "@cfdm/shared";
+import {
+  resolveBindingIpsForSync,
+  resolveLbModeForSync,
+  effectiveLbModeForSync,
+} from "../src/services/vps-tracker-sync.js";
 
 function binding(
   partial: Partial<ServiceBindingView> &
@@ -160,3 +167,71 @@ describe("resolveBindingIpsForSync", () => {
     expect(ips).toEqual(["203.0.113.55"]);
   });
 });
+
+describe("resolveLbModeForSync", () => {
+  it("prefers binding lb_mode", () => {
+    expect(resolveLbModeForSync("failover", "round_robin")).toBe("failover");
+  });
+
+  it("falls back to service group lb_mode", () => {
+    expect(resolveLbModeForSync("off", "weighted")).toBe("weighted");
+    expect(resolveLbModeForSync(undefined, "round_robin")).toBe("round_robin");
+  });
+
+  it("returns undefined when neither is a known mode", () => {
+    expect(resolveLbModeForSync("off", "off")).toBeUndefined();
+    expect(resolveLbModeForSync(null, undefined)).toBeUndefined();
+  });
+});
+
+describe("effectiveLbModeForSync", () => {
+  it("omits mode when unique origin IPs are below two", () => {
+    expect(
+      effectiveLbModeForSync("round_robin", "failover", ["203.0.113.10"]),
+    ).toBeUndefined();
+    expect(
+      effectiveLbModeForSync("round_robin", "failover", [
+        "203.0.113.10",
+        "203.0.113.10",
+      ]),
+    ).toBeUndefined();
+  });
+
+  it("emits configured mode when the service has a pool", () => {
+    expect(
+      effectiveLbModeForSync("failover", "round_robin", [
+        "203.0.113.10",
+        "203.0.113.20",
+      ]),
+    ).toBe("failover");
+    expect(
+      effectiveLbModeForSync("off", "weighted", [
+        "203.0.113.10",
+        "198.51.100.1",
+      ]),
+    ).toBe("weighted");
+  });
+});
+
+describe("cfdmBindingSyncItemSchema lbMode", () => {
+  const base = {
+    bindingId: 1,
+    serviceId: 10,
+    serviceName: "VPN",
+    serviceSlug: "vpn",
+    fqdn: "vpn.example.com",
+    zoneName: "example.com",
+    hostname: "vpn",
+    ips: ["203.0.113.10"],
+  };
+
+  it("accepts optional lbMode on sync payload", () => {
+    const parsed = cfdmBindingSyncItemSchema.parse({ ...base, lbMode: "failover" });
+    expect(parsed.lbMode).toBe("failover");
+  });
+
+  it("accepts payload without lbMode (legacy)", () => {
+    const parsed = cfdmBindingSyncItemSchema.parse(base);
+    expect(parsed.lbMode).toBeUndefined();
+  });
+});

apps/web/src/components/failover-timeline.tsx

@@ -16,8 +16,8 @@ import { formatDate, formatRelative, sqliteUtcToIso } from '@/lib/format'
 import {
   failoverEventCopy,
   type FailoverEvent,
+  type FailoverHistoryItem,
 } from '@/lib/failover-events'
-import type { FailoverLogEntry } from '@/lib/schemas'
 import { cn } from '@cfdm/ui/lib/utils'
 import type { ComponentProps } from 'react'
 
@@ -45,12 +45,6 @@ function separatorClass(tone: 'down' | 'added' | 'removed'): string {
   return 'bg-destructive/25'
 }
 
-function failoverHistoryCopy(item: FailoverLogEntry): string {
-  return item.action === 'removed'
-    ? `${item.ip} убрана с ${item.fqdn}`
-    : `${item.ip} добавлена на ${item.fqdn}`
-}
-
 /**
  * Failover как sibling «Смены статуса»: ReUI Timeline + Badge.
  * Preview: https://reui.io/preview/base/components/c-timeline-10
@@ -63,14 +57,14 @@ export function FailoverTimeline({
   history = [],
 }: {
   events: FailoverEvent[]
-  history?: readonly FailoverLogEntry[]
+  history?: readonly FailoverHistoryItem[]
 }) {
   if (events.length === 0 && history.length === 0) {
     return (
       <EmptyState
         icon={ShieldCheckIcon}
-        title="Нет инцидентов Failover"
-        description="Нет Down и нет смен A-записей по FQDN"
+        title="Нет инцидентов"
+        description="Нет Down и нет выходов из общего пула"
         stackedIcon={false}
         centered={false}
       />
@@ -142,6 +136,10 @@ export function FailoverTimeline({
                 <TimelineHeader>
                   <TimelineTitle className="flex flex-wrap items-center gap-2">
                     <span className="font-mono text-sm">{item.ip}</span>
+                    <HealthCheckBadge
+                      status={item.action === 'added' ? 'up' : 'down'}
+                      size="xs"
+                    />
                     <span className="text-muted-foreground text-xs">
                       {item.fqdn}
                     </span>
@@ -151,9 +149,7 @@ export function FailoverTimeline({
                   </TimelineDate>
                 </TimelineHeader>
                 <TimelineContent>
-                  <p className="text-foreground text-sm">
-                    {failoverHistoryCopy(item)}
-                  </p>
+                  <p className="text-foreground text-sm">{item.copy}</p>
                 </TimelineContent>
               </TimelineItem>
             )

apps/web/src/components/health-check-config-fields.tsx

@@ -1,6 +1,7 @@
 import { FormFieldSimple } from '@/components/form-field'
 import { AppInput } from '@/components/app-input'
 import { SettingRow } from '@/components/setting-row'
+import { SelectField } from '@/components/select-field'
 import { Badge } from '@/components/reui/badge'
 import {
   NumberField,
@@ -9,15 +10,8 @@ import {
   NumberFieldIncrement,
   NumberFieldInput,
 } from '@/components/reui/number-field'
-import {
-  Select,
-  SelectContent,
-  SelectItem,
-  SelectTrigger,
-  SelectValue,
-} from '@cfdm/ui/components/select'
 import { Switch } from '@cfdm/ui/components/switch'
-import { FieldGroup } from '@cfdm/ui/components/field'
+import { Field, FieldGroup, FieldLabel } from '@cfdm/ui/components/field'
 import { Button } from '@cfdm/ui/components/button'
 import { ButtonGroup } from '@cfdm/ui/components/button-group'
 import { CableIcon, GlobeIcon } from 'lucide-react'
@@ -59,9 +53,14 @@ export interface LbAndHealthConfig extends HealthCheckConfig {
 const defaultLbModeOptions = [
   { value: 'round_robin', label: 'Round Robin' },
   { value: 'failover', label: 'Failover (приоритет)' },
-  { value: 'weighted', label: 'Weighted (веса)' },
+  { value: 'weighted', label: 'Веса (подмена IP)' },
 ]
 
+export interface LbPoolMetaChange {
+  weight?: number
+  priority?: number
+}
+
 function CompactNumberField({
   id,
   value,
@@ -95,6 +94,89 @@ function CompactNumberField({
   )
 }
 
+function PoolLbMetaFields({
+  idPrefix,
+  mode,
+  ips,
+  weights,
+  priorities,
+  onMetaChange,
+}: {
+  idPrefix: string
+  mode: Exclude<LbMode, 'round_robin'>
+  ips: readonly string[]
+  weights: Record<string, number>
+  priorities: Record<string, number>
+  onMetaChange?: (ip: string, meta: LbPoolMetaChange) => void
+}) {
+  const isWeighted = mode === 'weighted'
+  const minPriority =
+    ips.length === 0
+      ? 1
+      : Math.min(...ips.map((ip) => priorities[ip] ?? 1))
+
+  return (
+    <SettingRow
+      title={isWeighted ? 'Вес IP' : 'Приоритет IP'}
+      description={
+        isWeighted
+          ? 'Доля времени на общем FQDN: 1 и 3 = ¼ и ¾ цикла (слот 60 с)'
+          : '1 — основной, больше — запасной'
+      }
+      compact
+      stacked
+      className="gap-3 px-0 py-3"
+      contentClassName="min-w-0"
+    >
+      {ips.length === 0 ? (
+        <p className="text-muted-foreground text-sm">Сначала добавьте IP выше</p>
+      ) : (
+        <div className="flex w-full flex-col gap-2">
+          {ips.map((ip) => {
+            const isPrimary = (priorities[ip] ?? 1) === minPriority
+            const fieldId = isWeighted
+              ? `${idPrefix}-weight-${ip}`
+              : `${idPrefix}-priority-${ip}`
+            return (
+              <div key={ip} className="flex items-center gap-3">
+                <span className="min-w-0 flex-1 truncate font-mono text-sm">{ip}</span>
+                {!isWeighted ? (
+                  <Badge
+                    variant={isPrimary ? 'success-light' : 'outline'}
+                    size="xs"
+                    radius="full"
+                  >
+                    {isPrimary ? 'Основной' : 'Запасной'}
+                  </Badge>
+                ) : null}
+                <Field className="w-28 gap-0">
+                  <FieldLabel htmlFor={fieldId} className="sr-only">
+                    {isWeighted ? `Вес ${ip}` : `Приоритет ${ip}`}
+                  </FieldLabel>
+                  <CompactNumberField
+                    id={fieldId}
+                    value={isWeighted ? (weights[ip] ?? 1) : (priorities[ip] ?? 1)}
+                    min={1}
+                    max={100}
+                    onValueChange={(next) =>
+                      onMetaChange?.(
+                        ip,
+                        isWeighted
+                          ? { weight: next ?? 1 }
+                          : { priority: next ?? 1 },
+                      )
+                    }
+                  />
+                </Field>
+              </div>
+            )
+          })}
+        </div>
+      )}
+    </SettingRow>
+  )
+}
+
 export function HealthCheckConfigFields({
   value,
   onChange,
@@ -102,6 +184,10 @@ export function HealthCheckConfigFields({
   lbModeOptions = defaultLbModeOptions,
   idPrefix = 'health',
   showLbMode = true,
+  ips = [],
+  weights = {},
+  priorities = {},
+  onMetaChange,
   className,
 }: {
   value: LbAndHealthConfig
@@ -110,6 +196,10 @@ export function HealthCheckConfigFields({
   lbModeOptions?: { value: string; label: string }[]
   idPrefix?: string
   showLbMode?: boolean
+  ips?: readonly string[]
+  weights?: Record<string, number>
+  priorities?: Record<string, number>
+  onMetaChange?: (ip: string, meta: LbPoolMetaChange) => void
   className?: string
 }) {
   function patch(next: Partial<LbAndHealthConfig>) {
@@ -134,25 +224,28 @@ export function HealthCheckConfigFields({
           compact
           className={rowClass}
         >
-          <Select
+          <SelectField
             modal={false}
             value={value.lb_mode}
             onValueChange={(v) => patch({ lb_mode: (v ?? 'round_robin') as LbMode })}
-          >
-            <SelectTrigger id={`${idPrefix}-lb-mode`} className="w-full">
-              <SelectValue placeholder="Выберите режим" />
-            </SelectTrigger>
-            <SelectContent>
-              {lbModeOptions.map((item) => (
-                <SelectItem key={item.value} value={item.value}>
-                  {item.label}
-                </SelectItem>
-              ))}
-            </SelectContent>
-          </Select>
+            triggerId={`${idPrefix}-lb-mode`}
+            placeholder="Выберите режим"
+            options={lbModeOptions}
+          />
         </SettingRow>
       ) : null}
 
+      {showLbMode && value.lb_mode !== 'round_robin' ? (
+        <PoolLbMetaFields
+          idPrefix={idPrefix}
+          mode={value.lb_mode}
+          ips={ips}
+          weights={weights}
+          priorities={priorities}
+          onMetaChange={onMetaChange}
+        />
+      ) : null}
+
       <SettingRow
         title="Провайдер health-check"
         description="Кто пробирует цель. Можно выбрать несколько источников."

apps/web/src/components/reui-kit/service-address-block.tsx

@@ -16,10 +16,13 @@ import { parseFqdn } from '@/lib/parse-fqdn'
 import {
   addAddressNode,
   addCommonFqdn,
+  addExtraFqdn,
   addressHasFqdn,
   removeAddressNode,
   removeCommonFqdn,
+  removeExtraFqdn,
   updateCommonFqdn,
+  updateExtraFqdn,
   type AddressBlockState,
 } from '@/lib/service-address'
 import { Button } from '@cfdm/ui/components/button'
@@ -67,7 +70,7 @@ function ZoneAddon({
 }
 
 /**
- * Единый блок адресов сервиса: список общих FQDN на весь пул + IP с доп. доменом.
+ * Единый блок адресов сервиса: список общих FQDN на весь пул + IP с доп. доменами.
  * Preview: https://reui.io/preview/base/settings-3
  * Preview: https://reui.io/preview/base/list-9
  * Preview: https://reui.io/preview/base/form-7
@@ -88,6 +91,8 @@ export function ServiceAddressBlock({
   const [ipInvalid, setIpInvalid] = useState(false)
   const [pendingFqdn, setPendingFqdn] = useState('')
   const [fqdnInvalid, setFqdnInvalid] = useState(false)
+  const [pendingExtraByIp, setPendingExtraByIp] = useState<Record<string, string>>({})
+  const [extraInvalidByIp, setExtraInvalidByIp] = useState<Record<string, boolean>>({})
 
   const pool = value.nodes.map((node) => node.ip)
   const pendingIpTrimmed = pendingIp.trim()
@@ -141,13 +146,26 @@ export function ServiceAddressBlock({
     }
   }
 
-  function handleNodeFqdn(ip: string, extraFqdn: string) {
-    onChange({
-      ...value,
-      nodes: value.nodes.map((node) =>
-        node.ip === ip ? { ...node, extraFqdn } : node,
-      ),
-    })
+  function tryAddExtra(ip: string, raw: string) {
+    const trimmed = raw.trim()
+    if (!trimmed) {
+      setExtraInvalidByIp((current) => ({ ...current, [ip]: false }))
+      return
+    }
+    if (addressHasFqdn(value, trimmed)) {
+      setExtraInvalidByIp((current) => ({ ...current, [ip]: true }))
+      return
+    }
+    onChange(addExtraFqdn(value, ip, trimmed))
+    setPendingExtraByIp((current) => ({ ...current, [ip]: '' }))
+    setExtraInvalidByIp((current) => ({ ...current, [ip]: false }))
+  }
+
+  function handleExtraKeyDown(ip: string, event: KeyboardEvent<HTMLInputElement>) {
+    if (event.key === 'Enter') {
+      event.preventDefault()
+      tryAddExtra(ip, pendingExtraByIp[ip] ?? '')
+    }
   }
 
   return (
@@ -156,7 +174,7 @@ export function ServiceAddressBlock({
         <FrameHeader className="px-0 pt-0">
           <FrameTitle>Адреса</FrameTitle>
           <FrameDescription>
-            Общие FQDN — на весь пул · у IP свой доп. домен
+            Общие FQDN — на весь пул · у IP свои доп. домены
           </FrameDescription>
         </FrameHeader>
         <Field>
@@ -224,7 +242,7 @@ export function ServiceAddressBlock({
           <EmptyState
             icon={ServerIcon}
             title="Добавьте IP пула"
-            description="IPv4 сервиса. Для каждого адреса можно указать доп. FQDN."
+            description="IPv4 сервиса. Для каждого адреса можно указать несколько доп. FQDN, в том числе wildcard."
             stackedIcon={false}
             centered={false}
           />
@@ -265,27 +283,98 @@ export function ServiceAddressBlock({
                     </div>
                     <Field className="gap-1.5">
                       <FieldLabel
-                        htmlFor={`service-ip-extra-${node.ip}`}
+                        htmlFor={`service-ip-extra-add-${node.ip}`}
                         className="text-muted-foreground text-xs"
                       >
                         Доп. FQDN
                       </FieldLabel>
-                      <InputGroup>
-                        <InputGroupInput
-                          id={`service-ip-extra-${node.ip}`}
-                          className="font-mono"
-                          value={node.extraFqdn}
-                          placeholder={
-                            zoneHints[0]
-                              ? `необязательно · spb.${zoneHints[0]}`
-                              : 'необязательно · spb.example.com'
-                          }
-                          onChange={(event) =>
-                            handleNodeFqdn(node.ip, event.target.value)
-                          }
-                        />
-                        <ZoneAddon fqdn={node.extraFqdn} zoneHints={zoneHints} />
-                      </InputGroup>
+                      <div className="flex w-full flex-col gap-2">
+                        {node.extraFqdns.map((fqdn, index) => (
+                          <InputGroup key={`extra-fqdn-${node.ip}-${index}`}>
+                            <InputGroupInput
+                              id={`service-ip-extra-${node.ip}-${index}`}
+                              className="font-mono"
+                              value={fqdn}
+                              placeholder={
+                                zoneHints[0]
+                                  ? `*.mdns.${zoneHints[0]}`
+                                  : '*.mdns.example.com'
+                              }
+                              onChange={(event) =>
+                                onChange(
+                                  updateExtraFqdn(
+                                    value,
+                                    node.ip,
+                                    index,
+                                    event.target.value,
+                                  ),
+                                )
+                              }
+                            />
+                            <ZoneAddon
+                              fqdn={fqdn}
+                              zoneHints={zoneHints}
+                              trailing={
+                                <InputGroupButton
+                                  size="icon-xs"
+                                  aria-label={`Удалить ${fqdn || 'FQDN'}`}
+                                  onClick={() =>
+                                    onChange(removeExtraFqdn(value, node.ip, index))
+                                  }
+                                >
+                                  <Trash2Icon />
+                                </InputGroupButton>
+                              }
+                            />
+                          </InputGroup>
+                        ))}
+                        <InputGroup>
+                          <InputGroupInput
+                            id={`service-ip-extra-add-${node.ip}`}
+                            className="font-mono"
+                            value={pendingExtraByIp[node.ip] ?? ''}
+                            placeholder={
+                              zoneHints[0]
+                                ? `необязательно · *.mdns.${zoneHints[0]}`
+                                : 'необязательно · *.mdns.example.com'
+                            }
+                            aria-invalid={
+                              extraInvalidByIp[node.ip] &&
+                              (pendingExtraByIp[node.ip] ?? '').trim().length > 0
+                                ? true
+                                : undefined
+                            }
+                            onChange={(event) => {
+                              setPendingExtraByIp((current) => ({
+                                ...current,
+                                [node.ip]: event.target.value,
+                              }))
+                              setExtraInvalidByIp((current) => ({
+                                ...current,
+                                [node.ip]: false,
+                              }))
+                            }}
+                            onKeyDown={(event) => handleExtraKeyDown(node.ip, event)}
+                            onBlur={() =>
+                              tryAddExtra(node.ip, pendingExtraByIp[node.ip] ?? '')
+                            }
+                          />
+                          <ZoneAddon
+                            fqdn={pendingExtraByIp[node.ip] ?? ''}
+                            zoneHints={zoneHints}
+                            trailing={
+                              <InputGroupButton
+                                size="sm"
+                                onClick={() =>
+                                  tryAddExtra(node.ip, pendingExtraByIp[node.ip] ?? '')
+                                }
+                              >
+                                Добавить
+                              </InputGroupButton>
+                            }
+                          />
+                        </InputGroup>
+                      </div>
                     </Field>
                   </ItemContent>
                 </Item>

apps/web/src/components/reui-kit/service-failover-panel.tsx

@@ -2,11 +2,18 @@ import { UnplugIcon } from 'lucide-react'
 
 import { FailoverTimeline } from '@/components/failover-timeline'
 import {
+  mergeFailoverHistory,
   toFailoverEvents,
   type FailoverBindingPool,
   type FailoverHealthInput,
 } from '@/lib/failover-events'
-import type { FailoverLogEntry } from '@/lib/schemas'
+import {
+  latestHealthByIp,
+  resolveIpDisplayHealth,
+  type HealthLogProbe,
+  type HealthLogStatus,
+} from '@/lib/health-log'
+import type { FailoverLogEntry, ServiceView } from '@/lib/schemas'
 import { Badge } from '@/components/reui/badge'
 import {
   Frame,
@@ -21,6 +28,23 @@ import {
   AlertTitle,
 } from '@/components/reui/alert'
 
+type LbMode = ServiceView['lb_mode']
+
+const PANEL_COPY: Record<LbMode, { title: string; description: string }> = {
+  failover: {
+    title: 'Failover (приоритет)',
+    description: 'Down снимается с общего FQDN. История: кто вышел из пула и кто вернулся',
+  },
+  weighted: {
+    title: 'Веса (подмена IP)',
+    description: 'На общем FQDN один IP по весам. Down выводится из цикла',
+  },
+  round_robin: {
+    title: 'Round Robin',
+    description: 'На общем FQDN все живые A. Down снимается с пула',
+  },
+}
+
 function failoverCountLabel(count: number): string {
   const mod10 = count % 10
   const mod100 = count % 100
@@ -31,8 +55,17 @@ function failoverCountLabel(count: number): string {
   return `${count} адресов Down`
 }
 
+function alertDescription(events: { kind: string; fqdns: string[] }[]): string {
+  const removedCount = events.filter((event) => event.kind === 'removed').length
+  if (removedCount > 0) return 'Сняты с общего FQDN'
+  if (events.some((event) => event.fqdns.length > 0)) {
+    return 'Остались в A-записях общего FQDN как last-resort'
+  }
+  return 'Down: персональные FQDN не меняются'
+}
+
 /**
- * Failover — текущие Down + журнал add/remove по FQDN.
+ * Балансировка — текущие Down + кто вышел из общего пула.
  * Preview: https://reui.io/preview/base/components/c-timeline-10
  * Preview: https://reui.io/preview/base/empty-state-12
  * Docs: https://reui.io/docs/components/base/frame
@@ -41,23 +74,52 @@ function failoverCountLabel(count: number): string {
  * Docs: https://reui.io/docs/components/base/alert
  */
 export function ServiceFailoverPanel({
+  lbMode = 'round_robin',
+  hasPool = true,
   ipHealth,
   bindings,
   history,
+  probes = [],
 }: {
+  lbMode?: LbMode
+  hasPool?: boolean
   ipHealth: readonly FailoverHealthInput[]
   bindings: readonly FailoverBindingPool[]
   history: readonly FailoverLogEntry[]
+  probes?: readonly HealthLogProbe[]
 }) {
-  const events = toFailoverEvents(ipHealth, bindings)
-  const removedCount = events.filter((event) => event.kind === 'removed').length
+  const copy = hasPool
+    ? (PANEL_COPY[lbMode] ?? PANEL_COPY.round_robin)
+    : {
+        title: 'без резервирования',
+        description: 'Один origin IP — балансировка не применяется',
+      }
+  const liveByIp = latestHealthByIp(probes)
+  const overlayHealth = ipHealth.map((row) => {
+    const live = liveByIp.get(row.ip)
+    return {
+      ...row,
+      status: resolveIpDisplayHealth(
+        row.status as HealthLogStatus,
+        live?.status,
+      ),
+      last_error:
+        live && live.status !== 'unknown' ? live.last_error : row.last_error,
+      last_checked_at:
+        live && live.status !== 'unknown'
+          ? live.last_checked_at
+          : row.last_checked_at,
+    }
+  })
+  const events = toFailoverEvents(overlayHealth, bindings)
+  const mergedHistory = mergeFailoverHistory(history, probes, bindings)
 
   return (
     <Frame stacked spacing="sm" className="min-w-0 w-full">
       <FramePanel className="flex flex-col gap-3">
         <FrameHeader className="gap-1 px-0 py-0">
           <FrameTitle className="flex flex-wrap items-center gap-2">
-            Failover
+            {copy.title}
             {events.length > 0 ? (
               <Badge variant="destructive-light" size="xs" radius="full">
                 {events.length}
@@ -68,24 +130,18 @@ export function ServiceFailoverPanel({
               </Badge>
             )}
           </FrameTitle>
-          <FrameDescription>
-            Текущие Down и история A-записей по FQDN
-          </FrameDescription>
+          <FrameDescription>{copy.description}</FrameDescription>
         </FrameHeader>
 
         {events.length > 0 ? (
           <Alert variant="destructive">
             <UnplugIcon aria-hidden="true" />
             <AlertTitle>{failoverCountLabel(events.length)}</AlertTitle>
-            <AlertDescription>
-              {removedCount > 0
-                ? 'Сняты с FQDN или остались last-resort'
-                : 'Остались в A-записях как last-resort'}
-            </AlertDescription>
+            <AlertDescription>{alertDescription(events)}</AlertDescription>
           </Alert>
         ) : null}
 
-        <FailoverTimeline events={events} history={history} />
+        <FailoverTimeline events={events} history={mergedHistory} />
       </FramePanel>
     </Frame>
   )

apps/web/src/components/service-edit-sheet.tsx

@@ -17,6 +17,7 @@ import {
   DEFAULT_BINDING_HEALTH,
   emptyAddressBlock,
   hydrateAddressBlock,
+  patchAddressIpMeta,
   toBindingDrafts,
   toDomainsPayload,
   type AddressBlockState,
@@ -218,8 +219,8 @@ export function ServiceEditSheet({
         <SheetHeader className="shrink-0 border-b pb-4">
           <SheetTitle>{isCreate ? 'Новый сервис' : 'Редактирование сервиса'}</SheetTitle>
           <SheetDescription>
-            Общие FQDN на весь пул IP. У каждого адреса можно указать свой доп.
-            FQDN.
+            Общие FQDN на весь пул IP. У каждого адреса можно указать несколько доп.
+            FQDN, в том числе wildcard.
           </SheetDescription>
         </SheetHeader>
 
@@ -282,6 +283,12 @@ export function ServiceEditSheet({
               idPrefix="service-health"
               value={primaryHealthValue}
               onChange={handlePrimaryHealthChange}
+              ips={address.nodes.map((node) => node.ip)}
+              weights={address.target_ip_weights}
+              priorities={address.target_ip_priorities}
+              onMetaChange={(ip, meta) =>
+                setAddress((current) => patchAddressIpMeta(current, ip, meta))
+              }
             />
           </section>
         </div>

apps/web/src/components/services/service-detail-grid.tsx

@@ -18,6 +18,11 @@ import { DataGridColumnHeader } from '@/components/reui/data-grid/data-grid-colu
 import { IconTile } from '@/components/reui/icon-tile'
 import { createFilter, type Filter, type FilterFieldConfig } from '@/components/reui/filters'
 import { ResourcePage } from '@/components/reui-kit'
+import {
+  latestHealthByIp,
+  resolveIpDisplayHealth,
+  type HealthLogProbe,
+} from '@/lib/health-log'
 import { certRelativeBadge } from '@/components/columns/certificates-columns'
 import { certMonitoringOptions } from '@/lib/cert-monitoring'
 import { formatDate } from '@/lib/format'
@@ -99,8 +104,12 @@ function mapNodeHealth(status: string): HealthStatus {
   return 'unknown'
 }
 
-function buildIpRows(service: ServiceView): ServiceIpRow[] {
+function buildIpRows(
+  service: ServiceView,
+  probes: readonly HealthLogProbe[] = [],
+): ServiceIpRow[] {
   const healthByIp = new Map(service.ip_health.map((row) => [row.ip, row]))
+  const liveByIp = latestHealthByIp(probes)
   const weights = Object.assign(
     {},
     ...service.domains.map((domain) => domain.target_ip_weights ?? {}),
@@ -113,19 +122,25 @@ function buildIpRows(service: ServiceView): ServiceIpRow[] {
 
   return service.ips.map((ip) => {
     const health = healthByIp.get(ip)
+    const live = liveByIp.get(ip)
+    const status = resolveIpDisplayHealth(health?.status, live?.status)
+    const extras = live && live.status !== 'unknown' ? live : health
     return {
       id: ip,
       ip,
-      status: health?.status ?? 'unknown',
+      status,
       enabled: service.ip_enabled[ip] !== false,
       active: activeSet.has(ip),
       weight: weights[ip] ?? 1,
       priority: priorities[ip] ?? 1,
-      latency_ms: health?.latency_ms ?? null,
-      last_checked_at: health?.last_checked_at ?? null,
-      last_error: health?.last_error ?? null,
-      colo: health?.colo ?? null,
-      provider: health?.provider ?? null,
+      latency_ms: extras?.latency_ms ?? null,
+      last_checked_at: extras?.last_checked_at ?? null,
+      last_error:
+        live && live.status !== 'unknown'
+          ? live.last_error
+          : (health?.last_error ?? null),
+      colo: extras?.colo ?? null,
+      provider: extras?.provider ?? null,
     }
   })
 }
@@ -151,17 +166,23 @@ function buildNodeRows(
     weight: number
     priority: number
   }>,
+  probes: readonly HealthLogProbe[] = [],
 ): ServiceNodeRow[] {
-  return nodes.map((node) => ({
-    id: String(node.id),
-    nodeId: node.id,
-    address: node.address,
-    protocol: node.protocol,
-    port: node.port,
-    health_status: mapNodeHealth(node.health_status),
-    weight: node.weight,
-    priority: node.priority,
-  }))
+  const liveByIp = latestHealthByIp(probes)
+  return nodes.map((node) => {
+    const stored = mapNodeHealth(node.health_status)
+    const live = liveByIp.get(node.address)
+    return {
+      id: String(node.id),
+      nodeId: node.id,
+      address: node.address,
+      protocol: node.protocol,
+      port: node.port,
+      health_status: resolveIpDisplayHealth(stored, live?.status),
+      weight: node.weight,
+      priority: node.priority,
+    }
+  })
 }
 
 function NameCell({
@@ -199,6 +220,7 @@ interface ServiceDetailGridProps {
     weight: number
     priority: number
   }>
+  probes?: readonly HealthLogProbe[]
   togglingIp: string | null
   onToggleIp: (ip: string, enabled: boolean) => void
   onChangeIp: (row: ServiceFqdnRow) => void
@@ -211,6 +233,7 @@ interface ServiceDetailGridProps {
 export function ServiceDetailGrid({
   service,
   nodes,
+  probes = [],
   togglingIp,
   onToggleIp,
   onChangeIp,
@@ -283,9 +306,9 @@ export function ServiceDetailGrid({
     },
   })
 
-  const ipRows = useMemo(() => buildIpRows(service), [service])
+  const ipRows = useMemo(() => buildIpRows(service, probes), [service, probes])
   const fqdnRows = useMemo(() => buildFqdnRows(service), [service])
-  const nodeRows = useMemo(() => buildNodeRows(nodes), [nodes])
+  const nodeRows = useMemo(() => buildNodeRows(nodes, probes), [nodes, probes])
   const markActive = service.lb_mode === 'failover' || service.lb_mode === 'weighted'
 
   const tabs = TABS.map((entry) => ({

apps/web/src/components/services/service-unit-card.tsx

@@ -5,6 +5,7 @@ import {
   Repeat2Icon,
   ScaleIcon,
   ServerIcon,
+  UnplugIcon,
   type LucideIcon,
 } from 'lucide-react'
 
@@ -21,6 +22,7 @@ import {
   ServiceIpList,
 } from '@/components/services/service-fqdn-list'
 import { serviceDisplayFqdn, serviceDisplayFqdns } from '@/lib/service-utils'
+import { uniqueIpCount } from '@/lib/failover-events'
 import type { ServiceView } from '@/lib/schemas'
 import { Button } from '@cfdm/ui/components/button'
 import {
@@ -71,11 +73,39 @@ const LB_MODE_META: Record<
   weighted: {
     icon: ScaleIcon,
     className: 'text-info',
-    label: 'Weighted (веса)',
+    label: 'Веса (подмена IP)',
   },
 }
 
-export function LbModeTile({ mode }: { mode: LbMode }) {
+export function LbModeTile({
+  mode,
+  hasPool = true,
+}: {
+  mode: LbMode
+  hasPool?: boolean
+}) {
+  if (!hasPool) {
+    return (
+      <TooltipProvider>
+        <Tooltip>
+          <TooltipTrigger
+            render={
+              <IconTile
+                variant="elevated"
+                size="xs"
+                className="shrink-0 text-muted-foreground"
+                aria-label="без резервирования"
+              />
+            }
+          >
+            <UnplugIcon aria-hidden="true" />
+          </TooltipTrigger>
+          <TooltipContent>без резервирования</TooltipContent>
+        </Tooltip>
+      </TooltipProvider>
+    )
+  }
+
   const meta = LB_MODE_META[mode]
   const Icon = meta.icon
 
@@ -148,7 +178,10 @@ export function ServiceUnitCard({
                   {service.name}
                 </Link>
               </FrameTitle>
-              <LbModeTile mode={service.lb_mode} />
+              <LbModeTile
+                mode={service.lb_mode}
+                hasPool={uniqueIpCount(service.ips) >= 2}
+              />
             </div>
             <div className="flex min-w-0 items-center gap-1">
               <FrameDescription className="min-w-0 truncate font-mono text-xs">

apps/web/src/lib/failover-events.test.ts

@@ -3,10 +3,14 @@ import { describe, expect, it } from 'vitest'
 import {
   failoverEventCopy,
   isFailoverEventStatus,
+  mergeFailoverHistory,
   toFailoverEvents,
+  toIpAliveTransitions,
   type FailoverBindingPool,
   type FailoverHealthInput,
 } from '@/lib/failover-events'
+import type { FailoverLogEntry } from '@/lib/schemas'
+import type { HealthLogProbe } from '@/lib/health-log'
 
 function row(
   overrides: Partial<FailoverHealthInput> & Pick<FailoverHealthInput, 'ip'>,
@@ -47,7 +51,28 @@ describe('toFailoverEvents', () => {
     expect(isFailoverEventStatus('unhealthy')).toBe(false)
   })
 
-  it('Down всегда виден, даже без A-записей', () => {
+  it('один IP у сервиса — не инцидент пула', () => {
+    const events = toFailoverEvents(
+      [
+        row({
+          ip: '10.0.0.1',
+          status: 'down',
+          consecutive_failures: 9,
+          last_error: 'fetch failed',
+        }),
+      ],
+      [
+        {
+          fqdn: 'solo.example.com',
+          configured: ['10.0.0.1'],
+          active: [],
+        },
+      ],
+    )
+    expect(events).toEqual([])
+  })
+
+  it('Down без shared pool не событие балансировки', () => {
     const events = toFailoverEvents([
       row({
         ip: '130.49.213.153',
@@ -56,19 +81,7 @@ describe('toFailoverEvents', () => {
         last_error: 'fetch failed',
       }),
     ])
-    expect(events).toEqual([
-      {
-        id: '130.49.213.153',
-        address: '130.49.213.153',
-        status: 'down',
-        kind: 'last-resort',
-        fqdns: [],
-        consecutiveFailures: 9,
-        lastFailureReason: 'fetch failed',
-        lastCheckAt: null,
-      },
-    ])
-    expect(failoverEventCopy(events[0]!)).toBe('Down, в A-записях last-resort')
+    expect(events).toEqual([])
   })
 
   it('OK вне пула не инцидент (standby)', () => {
@@ -133,6 +146,7 @@ describe('toFailoverEvents', () => {
       },
     ])
     expect(failoverEventCopy(events[0]!)).toBe('Снята с gt.rkns.top')
+    expect(events[0]?.fqdns).not.toContain('nsgt.rkns.top')
   })
 
   it('Down только last-resort на своём FQDN', () => {
@@ -146,11 +160,7 @@ describe('toFailoverEvents', () => {
         },
       ],
     )
-    expect(events[0]?.kind).toBe('last-resort')
-    expect(events[0]?.fqdns).toEqual(['nsgt.rkns.top'])
-    expect(failoverEventCopy(events[0]!)).toBe(
-      'Down, в A-записях last-resort на nsgt.rkns.top',
-    )
+    expect(events).toEqual([])
   })
 
   it('down без A-записи на configured FQDN — снятие', () => {
@@ -186,3 +196,141 @@ describe('toFailoverEvents', () => {
     ])
   })
 })
+
+function probe(
+  overrides: Partial<HealthLogProbe> & Pick<HealthLogProbe, 'id' | 'status' | 'checked_at'>,
+): HealthLogProbe {
+  return {
+    ip: '130.49.213.153',
+    provider: 'local',
+    ok: overrides.status === 'up',
+    latency_ms: 12,
+    colo: null,
+    error: null,
+    ...overrides,
+  }
+}
+
+function dns(
+  overrides: Partial<FailoverLogEntry> & Pick<FailoverLogEntry, 'id' | 'action' | 'created_at'>,
+): FailoverLogEntry {
+  return {
+    service_id: 13,
+    binding_id: 1,
+    fqdn: 'gt.rkns.top',
+    ip: '130.49.213.153',
+    ...overrides,
+  }
+}
+
+describe('toIpAliveTransitions', () => {
+  it('emits leave then return, not the initial up', () => {
+    const transitions = toIpAliveTransitions([
+      probe({ id: 1, status: 'up', checked_at: '2026-08-20T09:00:00Z' }),
+      probe({ id: 2, status: 'up', checked_at: '2026-08-20T09:01:00Z' }),
+      probe({ id: 3, status: 'down', checked_at: '2026-08-20T09:02:00Z' }),
+      probe({ id: 4, status: 'down', checked_at: '2026-08-20T09:03:00Z' }),
+      probe({ id: 5, status: 'up', checked_at: '2026-08-20T09:04:00Z' }),
+    ])
+    expect(transitions).toEqual([
+      { id: 'probe:3', ip: '130.49.213.153', alive: false, at: '2026-08-20T09:02:00Z' },
+      { id: 'probe:5', ip: '130.49.213.153', alive: true, at: '2026-08-20T09:04:00Z' },
+    ])
+  })
+
+  it('any-up across providers: leave only when every source is down', () => {
+    const transitions = toIpAliveTransitions([
+      probe({
+        id: 1,
+        provider: 'local',
+        status: 'up',
+        checked_at: '2026-08-20T09:00:00Z',
+      }),
+      probe({
+        id: 2,
+        provider: 'cloudflare',
+        status: 'down',
+        checked_at: '2026-08-20T09:01:00Z',
+      }),
+      probe({
+        id: 3,
+        provider: 'local',
+        status: 'down',
+        checked_at: '2026-08-20T09:02:00Z',
+      }),
+      probe({
+        id: 4,
+        provider: 'local',
+        status: 'up',
+        checked_at: '2026-08-20T09:03:00Z',
+      }),
+    ])
+    expect(transitions.map((item) => item.id)).toEqual(['probe:3', 'probe:4'])
+  })
+})
+
+describe('mergeFailoverHistory', () => {
+  it('fills leave/return from probes when DNS has only the add', () => {
+    const history = mergeFailoverHistory(
+      [dns({ id: 10, action: 'added', created_at: '2026-08-20 09:26:00' })],
+      [
+        probe({ id: 1, status: 'up', checked_at: '2026-08-20T09:00:00Z' }),
+        probe({ id: 2, status: 'down', checked_at: '2026-08-20T09:10:00Z' }),
+        probe({ id: 3, status: 'up', checked_at: '2026-08-20T09:26:30Z' }),
+      ],
+      mskHip,
+    )
+    expect(history.map((item) => `${item.action}:${item.source}`)).toEqual([
+      'added:dns',
+      'removed:probe',
+    ])
+    expect(history[0]?.copy).toBe('130.49.213.153 добавлена на gt.rkns.top')
+    expect(history[1]?.copy).toBe(
+      '130.49.213.153 вышла из пула (gt.rkns.top)',
+    )
+  })
+
+  it('keeps DNS over a probe return in the same 2-minute window', () => {
+    const history = mergeFailoverHistory(
+      [dns({ id: 10, action: 'added', created_at: '2026-08-20 09:26:00' })],
+      [probe({ id: 3, status: 'up', checked_at: '2026-08-20T09:26:30Z' })],
+      mskHip,
+    )
+    expect(history).toHaveLength(1)
+    expect(history[0]?.source).toBe('dns')
+  })
+
+  it('drops probe leave/return when the service has no shared pool', () => {
+    const history = mergeFailoverHistory(
+      [],
+      [
+        probe({ id: 1, status: 'up', checked_at: '2026-08-20T09:00:00Z' }),
+        probe({ id: 2, status: 'down', checked_at: '2026-08-20T09:10:00Z' }),
+      ],
+      [
+        {
+          fqdn: 'solo.example.com',
+          configured: ['130.49.213.153'],
+          active: ['130.49.213.153'],
+        },
+      ],
+    )
+    expect(history).toEqual([])
+  })
+
+  it('drops dedicated extra-FQDN DNS rows', () => {
+    const history = mergeFailoverHistory(
+      [
+        dns({
+          id: 11,
+          fqdn: 'nsgt.rkns.top',
+          action: 'added',
+          created_at: '2026-08-20 09:26:00',
+        }),
+      ],
+      [],
+      mskHip,
+    )
+    expect(history).toEqual([])
+  })
+})

apps/web/src/lib/failover-events.ts

@@ -1,5 +1,23 @@
+import {
+  bestAliveHealthStatus,
+  probeTime,
+  type HealthLogProbe,
+  type HealthLogStatus,
+} from '@/lib/health-log'
+import type { FailoverLogEntry } from '@/lib/schemas'
+
 export type FailoverEventKind = 'removed' | 'last-resort'
 
+export interface FailoverHistoryItem {
+  id: string
+  ip: string
+  fqdn: string
+  action: 'added' | 'removed'
+  created_at: string
+  copy: string
+  source: 'dns' | 'probe'
+}
+
 export interface FailoverEvent {
   id: string
   address: string
@@ -26,6 +44,22 @@ export interface FailoverBindingPool {
   active: readonly string[]
 }
 
+/** Unique A targets. Duplicates of the same IP are not a pool. */
+export function uniqueIpCount(ips: readonly string[]): number {
+  return new Set(ips.filter(Boolean)).size
+}
+
+/** Shared pool FQDN — two or more unique A targets. */
+export function isSharedPoolBinding(binding: FailoverBindingPool): boolean {
+  return uniqueIpCount(binding.configured) >= 2
+}
+
+export function hasSharedPool(
+  bindings: readonly FailoverBindingPool[],
+): boolean {
+  return bindings.some(isSharedPoolBinding)
+}
+
 /** Инцидент только при down. up / degraded / unknown — не вывод из пула. */
 export function isFailoverEventStatus(status: string): boolean {
   return status === 'down'
@@ -43,17 +77,19 @@ export function failoverEventCopy(event: FailoverEvent): string {
 }
 
 /**
- * Текущие Down всегда в панели. Per-FQDN: снята с hostname или last-resort.
- * Standby (up / degraded / unknown) — не инцидент.
+ * Инциденты пула только если у сервиса есть shared FQDN (2+ уникальных IP).
+ * Один IP — не балансировка и не вывод из пула; Down смотрит health-монитор.
  */
 export function toFailoverEvents(
   ipHealth: readonly FailoverHealthInput[],
   bindings: readonly FailoverBindingPool[] = [],
 ): FailoverEvent[] {
+  if (!hasSharedPool(bindings)) return []
   return ipHealth.filter((row) => isFailoverEventStatus(row.status)).map((row) => {
     const removedFqdns: string[] = []
     const lastResortFqdns: string[] = []
     for (const binding of bindings) {
+      if (!isSharedPoolBinding(binding)) continue
       const configured = binding.configured.includes(row.ip)
       const active = binding.active.includes(row.ip)
       if (configured && !active) removedFqdns.push(binding.fqdn)
@@ -73,3 +109,154 @@ export function toFailoverEvents(
     }
   })
 }
+
+const DEDUPE_WINDOW_MS = 2 * 60 * 1000
+
+function fqdnsForIp(
+  ip: string,
+  bindings: readonly FailoverBindingPool[],
+): string[] {
+  return bindings
+    .filter((binding) => isSharedPoolBinding(binding) && binding.configured.includes(ip))
+    .map((binding) => binding.fqdn)
+}
+
+function isPoolFqdn(
+  fqdn: string,
+  bindings: readonly FailoverBindingPool[],
+): boolean {
+  const binding = bindings.find((item) => item.fqdn === fqdn)
+  if (!binding) return true
+  return isSharedPoolBinding(binding)
+}
+
+function fqdnLabel(fqdns: string[]): string {
+  return fqdns.join(', ') || 'пул'
+}
+
+function isAliveStatus(status: HealthLogStatus): boolean {
+  return status === 'up' || status === 'degraded'
+}
+
+/**
+ * Per-IP any-up flips: down → вышла из пула, up после down → вернулась.
+ * Initial state is not an event.
+ */
+export function toIpAliveTransitions(
+  probes: readonly HealthLogProbe[],
+): Array<{ id: string; ip: string; alive: boolean; at: string }> {
+  const byIp = new Map<string, HealthLogProbe[]>()
+  for (const item of probes) {
+    const list = byIp.get(item.ip)
+    if (list) list.push(item)
+    else byIp.set(item.ip, [item])
+  }
+
+  const out: Array<{ id: string; ip: string; alive: boolean; at: string }> = []
+  for (const [ip, list] of byIp) {
+    list.sort(
+      (a, b) => probeTime(a.checked_at) - probeTime(b.checked_at) || a.id - b.id,
+    )
+    const latestByProvider = new Map<string, HealthLogProbe>()
+    let prevAlive: boolean | undefined
+    for (const probe of list) {
+      latestByProvider.set(probe.provider, probe)
+      const status = bestAliveHealthStatus(
+        [...latestByProvider.values()].map((item) => item.status),
+      )
+      if (status === 'unknown') continue
+      const alive = isAliveStatus(status)
+      if (prevAlive !== undefined && alive !== prevAlive) {
+        out.push({
+          id: `probe:${probe.id}`,
+          ip,
+          alive,
+          at: probe.checked_at,
+        })
+      }
+      prevAlive = alive
+    }
+  }
+  return out
+}
+
+function dnsHistoryItem(item: FailoverLogEntry): FailoverHistoryItem {
+  return {
+    id: `dns:${item.id}`,
+    ip: item.ip,
+    fqdn: item.fqdn,
+    action: item.action,
+    created_at: item.created_at,
+    copy:
+      item.action === 'removed'
+        ? `${item.ip} убрана с ${item.fqdn}`
+        : `${item.ip} добавлена на ${item.fqdn}`,
+    source: 'dns',
+  }
+}
+
+function probeHistoryItem(
+  transition: { id: string; ip: string; alive: boolean; at: string },
+  bindings: readonly FailoverBindingPool[],
+): FailoverHistoryItem {
+  const fqdns = fqdnsForIp(transition.ip, bindings)
+  const fqdn = fqdnLabel(fqdns)
+  const action = transition.alive ? 'added' : 'removed'
+  return {
+    id: transition.id,
+    ip: transition.ip,
+    fqdn,
+    action,
+    created_at: transition.at,
+    copy:
+      action === 'removed'
+        ? `${transition.ip} вышла из пула (${fqdn})`
+        : `${transition.ip} вернулась в пул (${fqdn})`,
+    source: 'probe',
+  }
+}
+
+function eventTime(value: string): number {
+  return probeTime(value)
+}
+
+/**
+ * DNS add/remove + health leave/return, newest first.
+ * Same IP+action within 2 minutes: keep the DNS row (it has a concrete FQDN).
+ */
+export function mergeFailoverHistory(
+  dns: readonly FailoverLogEntry[],
+  probes: readonly HealthLogProbe[],
+  bindings: readonly FailoverBindingPool[] = [],
+): FailoverHistoryItem[] {
+  const merged = [
+    ...dns
+      .filter((item) => isPoolFqdn(item.fqdn, bindings))
+      .map(dnsHistoryItem),
+    ...toIpAliveTransitions(probes)
+      .filter((transition) => fqdnsForIp(transition.ip, bindings).length > 0)
+      .map((transition) => probeHistoryItem(transition, bindings)),
+  ]
+  merged.sort(
+    (a, b) => eventTime(b.created_at) - eventTime(a.created_at) || a.id.localeCompare(b.id),
+  )
+
+  const kept: FailoverHistoryItem[] = []
+  for (const item of merged) {
+    const duplicate = kept.find(
+      (other) =>
+        other.ip === item.ip &&
+        other.action === item.action &&
+        Math.abs(eventTime(other.created_at) - eventTime(item.created_at)) <=
+          DEDUPE_WINDOW_MS,
+    )
+    if (!duplicate) {
+      kept.push(item)
+      continue
+    }
+    if (duplicate.source === 'probe' && item.source === 'dns') {
+      kept[kept.indexOf(duplicate)] = item
+    }
+  }
+  return kept
+}

apps/web/src/lib/health-log.test.ts

@@ -4,7 +4,10 @@ import {
   bestAliveHealthStatus,
   collapseStatusChanges,
   enabledHealthProviders,
+  latestHealthByIp,
   providerHealthStatuses,
+  resolveIpDisplayHealth,
+  resolveServiceDisplayHealth,
   worstHealthStatus,
   type HealthLogProbe,
 } from '@/lib/health-log'
@@ -105,3 +108,61 @@ describe('bestAliveHealthStatus', () => {
     expect(bestAliveHealthStatus([])).toBe('unknown')
   })
 })
+
+describe('latestHealthByIp', () => {
+  it('any-up among latest-per-provider probes', () => {
+    const items = [
+      probe({
+        id: 1,
+        ip: '130.49.213.153',
+        provider: 'local',
+        status: 'up',
+        checked_at: '2026-08-20T09:00:00Z',
+      }),
+      probe({
+        id: 2,
+        ip: '130.49.213.153',
+        provider: 'cloudflare',
+        status: 'down',
+        checked_at: '2026-08-20T09:00:01Z',
+      }),
+      probe({
+        id: 3,
+        ip: '93.115.203.183',
+        status: 'unknown',
+        checked_at: '2026-08-20T08:59:00Z',
+      }),
+    ]
+    const byIp = latestHealthByIp(items)
+    expect(byIp.get('130.49.213.153')?.status).toBe('up')
+    expect(byIp.get('93.115.203.183')?.status).toBe('unknown')
+  })
+})
+
+describe('resolveIpDisplayHealth', () => {
+  it('prefers a live probe over stored unknown', () => {
+    expect(resolveIpDisplayHealth('unknown', 'up')).toBe('up')
+    expect(resolveIpDisplayHealth('down', 'up')).toBe('up')
+    expect(resolveIpDisplayHealth('up', 'unknown')).toBe('up')
+    expect(resolveIpDisplayHealth('unknown', undefined)).toBe('unknown')
+  })
+})
+
+describe('resolveServiceDisplayHealth', () => {
+  it('shows OK when live probes recovered and stored is still unknown', () => {
+    expect(
+      resolveServiceDisplayHealth(
+        'unknown',
+        [{ ip: '2.59.161.102', status: 'unknown' }],
+        [
+          probe({
+            id: 1,
+            ip: '2.59.161.102',
+            status: 'up',
+            checked_at: '2026-08-20T18:00:00Z',
+          }),
+        ],
+      ),
+    ).toBe('up')
+  })
+})

apps/web/src/lib/health-log.ts

@@ -136,3 +136,80 @@ export function providerHealthStatuses(
 
   return result
 }
+
+export interface IpDisplayHealth {
+  status: HealthLogStatus
+  latency_ms: number | null
+  last_checked_at: string
+  last_error: string | null
+  colo: string | null
+  provider: HealthCheckProvider
+}
+
+/**
+ * Latest probe per provider+IP, then any-up among those providers.
+ * Used by the IP table so hysteresis `unknown` in ip_health does not hide a live OK.
+ */
+export function latestHealthByIp(
+  items: readonly HealthLogProbe[],
+): Map<string, IpDisplayHealth> {
+  const latest = new Map<string, HealthLogProbe>()
+  const sorted = [...items].sort(
+    (a, b) => probeTime(b.checked_at) - probeTime(a.checked_at) || b.id - a.id,
+  )
+  for (const item of sorted) {
+    const key = `${item.provider}\0${item.ip}`
+    if (!latest.has(key)) latest.set(key, item)
+  }
+
+  const byIp = new Map<string, HealthLogProbe[]>()
+  for (const item of latest.values()) {
+    const list = byIp.get(item.ip)
+    if (list) list.push(item)
+    else byIp.set(item.ip, [item])
+  }
+
+  const result = new Map<string, IpDisplayHealth>()
+  for (const [ip, probes] of byIp) {
+    const status = bestAliveHealthStatus(probes.map((probe) => probe.status))
+    const preferred =
+      probes.find((probe) => probe.status === status) ?? probes[0]!
+    result.set(ip, {
+      status,
+      latency_ms: preferred.latency_ms,
+      last_checked_at: preferred.checked_at,
+      last_error: preferred.error,
+      colo: preferred.colo,
+      provider: preferred.provider,
+    })
+  }
+  return result
+}
+
+/** Prefer a concrete live probe over stored hysteresis `unknown`. */
+export function resolveIpDisplayHealth(
+  stored: HealthLogStatus | undefined,
+  live: HealthLogStatus | undefined,
+): HealthLogStatus {
+  if (live && live !== 'unknown') return live
+  return stored ?? live ?? 'unknown'
+}
+
+/** Service KPI / card: any-up of per-IP overlay (live probes beat hysteresis). */
+export function resolveServiceDisplayHealth(
+  stored: HealthLogStatus | undefined,
+  ipHealth: readonly { ip: string; status: string }[],
+  probes: readonly HealthLogProbe[] = [],
+): HealthLogStatus {
+  const liveByIp = latestHealthByIp(probes)
+  const statuses =
+    ipHealth.length > 0
+      ? ipHealth.map((row) =>
+          resolveIpDisplayHealth(
+            row.status as HealthLogStatus,
+            liveByIp.get(row.ip)?.status,
+          ),
+        )
+      : [...liveByIp.values()].map((row) => row.status)
+  return resolveIpDisplayHealth(stored, bestAliveHealthStatus(statuses))
+}

apps/web/src/lib/service-address.test.ts

@@ -4,9 +4,11 @@ import {
   DEFAULT_BINDING_HEALTH,
   addAddressNode,
   addCommonFqdn,
+  addExtraFqdn,
   emptyAddressBlock,
   emptyBindingDraft,
   hydrateAddressBlock,
+  patchAddressIpMeta,
   removeAddressNode,
   toAddressBindings,
   toDomainsPayload,
@@ -44,8 +46,8 @@ describe('hydrateAddressBlock', () => {
 
     expect(state.commonFqdns).toEqual(['rutg.rkns.top'])
     expect(state.nodes).toEqual([
-      { ip: '93.115.203.183', extraFqdn: 'msk.rutg.rkns.top' },
-      { ip: '185.244.181.61', extraFqdn: '' },
+      { ip: '93.115.203.183', extraFqdns: ['msk.rutg.rkns.top'] },
+      { ip: '185.244.181.61', extraFqdns: [] },
     ])
     expect(state.preservedBindings).toEqual([])
   })
@@ -65,7 +67,7 @@ describe('hydrateAddressBlock', () => {
     const state = hydrateAddressBlock(drafts, ['1.1.1.1', '2.2.2.2'])
 
     expect(state.commonFqdns).toEqual(['rutg.rkns.top', 'both.rkns.top'])
-    expect(state.nodes.every((node) => node.extraFqdn === '')).toBe(true)
+    expect(state.nodes.every((node) => node.extraFqdns.length === 0)).toBe(true)
     expect(state.preservedBindings.map((item) => item.fqdn)).toEqual(['alias.rkns.top'])
   })
 
@@ -77,11 +79,105 @@ describe('hydrateAddressBlock', () => {
 
     const state = hydrateAddressBlock(drafts, ['10.0.0.1'])
 
-    expect(state.nodes).toEqual([{ ip: '10.0.0.1', extraFqdn: '' }])
+    expect(state.nodes).toEqual([{ ip: '10.0.0.1', extraFqdns: [] }])
     expect(state.commonFqdns).toEqual(['gw.example.com'])
     expect(state.preservedBindings).toHaveLength(1)
     expect(state.preservedBindings[0]?.fqdn).toBe('edge.example.com')
   })
+
+  it('при одном IP пула отделяет второй A в extraFqdn узла', () => {
+    const drafts = [
+      aRecord('dns.shnt.top', ['130.49.213.176']),
+      aRecord('ndns.shnt.top', ['130.49.213.176']),
+    ]
+
+    const state = hydrateAddressBlock(drafts, ['130.49.213.176'])
+
+    expect(state.commonFqdns).toEqual(['dns.shnt.top'])
+    expect(state.nodes).toEqual([
+      { ip: '130.49.213.176', extraFqdns: ['ndns.shnt.top'] },
+    ])
+    expect(state.preservedBindings).toEqual([])
+  })
+
+  it('кладёт несколько extra A на один IP в extraFqdns, включая wildcard', () => {
+    const drafts = [
+      aRecord('dns.shnt.top', ['130.49.213.176']),
+      aRecord('ndns.shnt.top', ['130.49.213.176']),
+      aRecord('*.mdns.shnt.top', ['130.49.213.176']),
+    ]
+
+    const state = hydrateAddressBlock(drafts, ['130.49.213.176'])
+
+    expect(state.commonFqdns).toEqual(['dns.shnt.top'])
+    expect(state.nodes).toEqual([
+      {
+        ip: '130.49.213.176',
+        extraFqdns: ['ndns.shnt.top', '*.mdns.shnt.top'],
+      },
+    ])
+    expect(state.preservedBindings).toEqual([])
+  })
+
+  it('поднимает веса и приоритеты с общего FQDN', () => {
+    const drafts = [
+      aRecord('gt.rkns.top', ['130.49.213.153', '93.115.203.183'], {
+        target_ip_weights: { '130.49.213.153': 3, '93.115.203.183': 1 },
+        target_ip_priorities: { '130.49.213.153': 2, '93.115.203.183': 1 },
+      }),
+      aRecord('nsgt.rkns.top', ['130.49.213.153']),
+    ]
+    const state = hydrateAddressBlock(drafts, ['130.49.213.153', '93.115.203.183'])
+    expect(state.target_ip_weights).toEqual({
+      '130.49.213.153': 3,
+      '93.115.203.183': 1,
+    })
+    expect(state.target_ip_priorities).toEqual({
+      '130.49.213.153': 2,
+      '93.115.203.183': 1,
+    })
+    expect(state.nodes[0]?.extraFqdns).toEqual(['nsgt.rkns.top'])
+  })
+
+  it('лечит урезанный общий FQDN (legacy toggle) как common, не preserved', () => {
+    const pool = ['130.49.213.153', '130.49.213.176', '93.115.203.183']
+    const drafts = [
+      // corrupted common — missing one pool IP
+      aRecord('gw.pngs.top', ['130.49.213.153', '130.49.213.176']),
+      aRecord('gt.rkns.top', pool),
+      aRecord('nsgt.rkns.top', ['130.49.213.176']),
+      aRecord('rutg.rkns.top', ['93.115.203.183']),
+    ]
+    const state = hydrateAddressBlock(drafts, pool)
+
+    expect(state.commonFqdns).toEqual(['gw.pngs.top', 'gt.rkns.top'])
+    expect(state.nodes).toEqual([
+      { ip: '130.49.213.153', extraFqdns: [] },
+      { ip: '130.49.213.176', extraFqdns: ['nsgt.rkns.top'] },
+      { ip: '93.115.203.183', extraFqdns: ['rutg.rkns.top'] },
+    ])
+    expect(state.preservedBindings).toEqual([])
+
+    const payload = toDomainsPayload(state, primaryMeta)
+    expect(payload.map((item) => item.fqdn)).toEqual([
+      'gw.pngs.top',
+      'gt.rkns.top',
+      'nsgt.rkns.top',
+      'rutg.rkns.top',
+    ])
+    expect(payload[0]?.target_ips).toEqual(pool)
+    expect(new Set(payload.map((item) => item.fqdn.toLowerCase())).size).toBe(4)
+  })
+
+  it('не дублирует FQDN при повторном binding в drafts', () => {
+    const pool = ['1.1.1.1', '2.2.2.2']
+    const state = hydrateAddressBlock(
+      [aRecord('gw.example.com', ['1.1.1.1']), aRecord('gw.example.com', pool)],
+      pool,
+    )
+    expect(state.commonFqdns).toEqual(['gw.example.com'])
+    expect(state.nodes.every((node) => node.extraFqdns.length === 0)).toBe(true)
+  })
 })
 
 describe('toDomainsPayload', () => {
@@ -122,6 +218,40 @@ describe('toDomainsPayload', () => {
     expect(second.nodes).toEqual(first.nodes)
     expect(second.preservedBindings).toEqual([])
   })
+
+  it('круг hydrate → payload → hydrate сохраняет extra FQDN при одном IP', () => {
+    const drafts = [
+      aRecord('dns.shnt.top', ['130.49.213.176']),
+      aRecord('ndns.shnt.top', ['130.49.213.176']),
+    ]
+    const first = hydrateAddressBlock(drafts, ['130.49.213.176'])
+    expect(first.commonFqdns).toEqual(['dns.shnt.top'])
+    expect(first.nodes).toEqual([
+      { ip: '130.49.213.176', extraFqdns: ['ndns.shnt.top'] },
+    ])
+    const rebound = toAddressBindings(first, primaryMeta)
+    const second = hydrateAddressBlock(rebound, ['130.49.213.176'])
+
+    expect(second.commonFqdns).toEqual(first.commonFqdns)
+    expect(second.nodes).toEqual(first.nodes)
+    expect(second.preservedBindings).toEqual([])
+  })
+
+  it('круг hydrate → payload → hydrate сохраняет несколько extra и wildcard при одном IP', () => {
+    const drafts = [
+      aRecord('dns.shnt.top', ['130.49.213.176']),
+      aRecord('ndns.shnt.top', ['130.49.213.176']),
+      aRecord('*.mdns.shnt.top', ['130.49.213.176']),
+    ]
+    const first = hydrateAddressBlock(drafts, ['130.49.213.176'])
+    expect(first.nodes[0]?.extraFqdns).toEqual(['ndns.shnt.top', '*.mdns.shnt.top'])
+    const rebound = toAddressBindings(first, primaryMeta)
+    const second = hydrateAddressBlock(rebound, ['130.49.213.176'])
+
+    expect(second.commonFqdns).toEqual(first.commonFqdns)
+    expect(second.nodes).toEqual(first.nodes)
+    expect(second.preservedBindings).toEqual([])
+  })
 })
 
 describe('removeAddressNode', () => {
@@ -137,7 +267,7 @@ describe('removeAddressNode', () => {
 
     const next = removeAddressNode(state, '10.0.0.1')
 
-    expect(next.nodes).toEqual([{ ip: '10.0.0.2', extraFqdn: '' }])
+    expect(next.nodes).toEqual([{ ip: '10.0.0.2', extraFqdns: [] }])
     expect(next.preservedBindings).toHaveLength(1)
     expect(next.preservedBindings[0]?.target_ips).toEqual(['9.9.9.9'])
   })
@@ -146,7 +276,7 @@ describe('removeAddressNode', () => {
 describe('addAddressNode / addCommonFqdn', () => {
   it('не добавляет дубликат IP', () => {
     const withIp = addAddressNode(
-      { ...emptyAddressBlock(), nodes: [{ ip: '1.1.1.1', extraFqdn: '' }] },
+      { ...emptyAddressBlock(), nodes: [{ ip: '1.1.1.1', extraFqdns: [] }] },
       '1.1.1.1',
     )
     expect(withIp.nodes).toHaveLength(1)
@@ -159,6 +289,42 @@ describe('addAddressNode / addCommonFqdn', () => {
     )
     expect(state.commonFqdns).toEqual(['gt.rkns.top'])
   })
+
+  it('добавляет extra FQDN к IP и отклоняет дубликат', () => {
+    const withIp = addAddressNode(emptyAddressBlock(), '1.1.1.1')
+    const withExtra = addExtraFqdn(withIp, '1.1.1.1', 'mdns.shnt.top')
+    expect(withExtra.nodes[0]?.extraFqdns).toEqual(['mdns.shnt.top'])
+    expect(addExtraFqdn(withExtra, '1.1.1.1', 'MDNS.shnt.top')).toBe(withExtra)
+  })
+})
+
+describe('patchAddressIpMeta', () => {
+  it('меняет вес одного IP и не трогает extraFqdns', () => {
+    const state = {
+      ...addAddressNode(addAddressNode(emptyAddressBlock(), '1.1.1.1'), '2.2.2.2'),
+      nodes: [
+        { ip: '1.1.1.1', extraFqdns: ['msk.example.com'] },
+        { ip: '2.2.2.2', extraFqdns: [] },
+      ],
+    }
+    const next = patchAddressIpMeta(state, '1.1.1.1', { weight: 7 })
+    expect(next.target_ip_weights).toEqual({ '1.1.1.1': 7, '2.2.2.2': 1 })
+    expect(next.target_ip_priorities).toEqual(state.target_ip_priorities)
+    expect(next.nodes).toEqual(state.nodes)
+  })
+
+  it('clamp веса и приоритета в 1–100', () => {
+    const state = addAddressNode(emptyAddressBlock(), '10.0.0.1')
+    expect(patchAddressIpMeta(state, '10.0.0.1', { weight: 0 }).target_ip_weights['10.0.0.1']).toBe(1)
+    expect(
+      patchAddressIpMeta(state, '10.0.0.1', { priority: 999 }).target_ip_priorities['10.0.0.1'],
+    ).toBe(100)
+  })
+
+  it('игнорирует IP вне пула', () => {
+    const state = addAddressNode(emptyAddressBlock(), '10.0.0.1')
+    expect(patchAddressIpMeta(state, '8.8.8.8', { weight: 5 })).toBe(state)
+  })
 })
 
 describe('CNAME / preservedBindings', () => {
@@ -174,7 +340,7 @@ describe('CNAME / preservedBindings', () => {
       cname,
     ]
     const state = hydrateAddressBlock(drafts, ['1.1.1.1', '2.2.2.2'])
-    expect(state.nodes[0]?.extraFqdn).toBe('msk.rkns.top')
+    expect(state.nodes[0]?.extraFqdns).toEqual(['msk.rkns.top'])
     expect(state.preservedBindings).toHaveLength(1)
 
     const payload = toDomainsPayload(state, primaryMeta)

apps/web/src/lib/service-address.ts

@@ -33,7 +33,7 @@ export interface ServiceBindingDraft {
 
 export interface AddressNode {
   ip: string
-  extraFqdn: string
+  extraFqdns: string[]
 }
 
 export interface AddressBlockState {
@@ -113,6 +113,10 @@ function sameIpSet(left: string[], right: string[]): boolean {
   return right.every((ip) => set.has(ip.trim()))
 }
 
+function fqdnKey(value: string): string {
+  return value.trim().toLowerCase()
+}
+
 export function toBindingDrafts(service: ServiceView): ServiceBindingDraft[] {
   return (service.domains ?? []).map((binding) => ({
     fqdn: bindingToFqdn(binding),
@@ -145,6 +149,36 @@ function isFullPoolA(draft: ServiceBindingDraft, pool: string[]): boolean {
   return draft.record_type === 'A' && sameIpSet(draft.target_ips, pool)
 }
 
+/** UI contract: common = 2+ IPs all in pool (full or corrupted subset after old toggles). */
+function isCommonPoolA(draft: ServiceBindingDraft, poolSet: Set<string>): boolean {
+  if (draft.record_type !== 'A') return false
+  const ips = draft.target_ips.map((ip) => ip.trim()).filter(Boolean)
+  if (ips.length < 2) return false
+  return ips.every((ip) => poolSet.has(ip))
+}
+
+function takeAsCommon(
+  draft: ServiceBindingDraft,
+  fqdn: string,
+  commonFqdns: string[],
+  seenCommon: Set<string>,
+  weights: Record<string, number>,
+  priorities: Record<string, number>,
+): { weights: Record<string, number>; priorities: Record<string, number> } {
+  const key = fqdnKey(fqdn)
+  if (fqdn && key && !seenCommon.has(key)) {
+    seenCommon.add(key)
+    commonFqdns.push(draft.fqdn)
+  }
+  if (Object.keys(weights).length === 0) {
+    return {
+      weights: { ...draft.target_ip_weights },
+      priorities: { ...draft.target_ip_priorities },
+    }
+  }
+  return { weights, priorities }
+}
+
 export function hydrateAddressBlock(
   drafts: ServiceBindingDraft[],
   pool: string[] = [],
@@ -161,27 +195,73 @@ export function hydrateAddressBlock(
       : uniqueIps(...(multiIpTargets.length > 0 ? multiIpTargets : allAIps))
   const poolSet = new Set(ips)
   const commonFqdns: string[] = []
-  const claimed = new Set<string>()
-  const extraByIp = new Map<string, string>()
+  const seenCommon = new Set<string>()
+  const seenExtra = new Set<string>()
+  const extraByIp = new Map<string, string[]>()
   const preservedBindings: ServiceBindingDraft[] = []
   let weights: Record<string, number> = {}
   let priorities: Record<string, number> = {}
+  const splitSinglePool =
+    ips.length === 1 &&
+    drafts.filter((draft) => isFullPoolA(draft, ips) || isCommonPoolA(draft, poolSet))
+      .length > 1
+  let assignedFirstSinglePoolCommon = false
+
+  function pushExtra(ip: string, fqdn: string) {
+    const key = fqdnKey(fqdn)
+    if (!key || seenExtra.has(key) || seenCommon.has(key)) return
+    seenExtra.add(key)
+    const list = extraByIp.get(ip) ?? []
+    list.push(fqdn)
+    extraByIp.set(ip, list)
+  }
+
+  function promoteToCommon(draft: ServiceBindingDraft, fqdn: string) {
+    const key = fqdnKey(fqdn)
+    if (key && seenExtra.has(key)) {
+      seenExtra.delete(key)
+      for (const [ip, list] of extraByIp) {
+        extraByIp.set(
+          ip,
+          list.filter((item) => fqdnKey(item) !== key),
+        )
+      }
+    }
+    const next = takeAsCommon(
+      draft,
+      fqdn,
+      commonFqdns,
+      seenCommon,
+      weights,
+      priorities,
+    )
+    weights = next.weights
+    priorities = next.priorities
+  }
 
   for (const draft of drafts) {
     const fqdn = draft.fqdn.trim()
-    if (isFullPoolA(draft, ips)) {
-      if (fqdn) commonFqdns.push(draft.fqdn)
-      if (Object.keys(weights).length === 0) {
-        weights = { ...draft.target_ip_weights }
-        priorities = { ...draft.target_ip_priorities }
+    if (splitSinglePool && (isFullPoolA(draft, ips) || isCommonPoolA(draft, poolSet))) {
+      if (!assignedFirstSinglePoolCommon) {
+        assignedFirstSinglePoolCommon = true
+        promoteToCommon(draft, fqdn)
+        continue
       }
+      const ip = draft.target_ips[0]?.trim() ?? ''
+      if (ip && poolSet.has(ip) && fqdn) {
+        pushExtra(ip, draft.fqdn)
+        continue
+      }
+    }
+    // Full pool OR multi-IP subset of pool → common (heals orphaned toggle damage).
+    if (isFullPoolA(draft, ips) || isCommonPoolA(draft, poolSet)) {
+      promoteToCommon(draft, fqdn)
       continue
     }
     if (draft.record_type === 'A' && draft.target_ips.length === 1) {
       const ip = draft.target_ips[0]?.trim() ?? ''
-      if (ip && poolSet.has(ip) && fqdn && !claimed.has(ip)) {
-        claimed.add(ip)
-        extraByIp.set(ip, draft.fqdn)
+      if (ip && poolSet.has(ip) && fqdn) {
+        pushExtra(ip, draft.fqdn)
         continue
       }
     }
@@ -192,7 +272,7 @@ export function hydrateAddressBlock(
     commonFqdns,
     nodes: ips.map((ip) => ({
       ip,
-      extraFqdn: extraByIp.get(ip) ?? '',
+      extraFqdns: extraByIp.get(ip) ?? [],
     })),
     preservedBindings,
     target_ip_weights: weights,
@@ -237,28 +317,66 @@ export function addAddressNode(state: AddressBlockState, ip: string): AddressBlo
   }
   return {
     ...state,
-    nodes: [...state.nodes, { ip: trimmed, extraFqdn: '' }],
+    nodes: [...state.nodes, { ip: trimmed, extraFqdns: [] }],
     target_ip_weights: { ...state.target_ip_weights, [trimmed]: 1 },
     target_ip_priorities: { ...state.target_ip_priorities, [trimmed]: 1 },
   }
 }
 
-function fqdnKey(value: string): string {
-  return value.trim().toLowerCase()
+const LB_META_MIN = 1
+const LB_META_MAX = 100
+
+function clampLbMeta(value: number): number {
+  if (!Number.isFinite(value)) return LB_META_MIN
+  return Math.min(LB_META_MAX, Math.max(LB_META_MIN, Math.round(value)))
+}
+
+export function patchAddressIpMeta(
+  state: AddressBlockState,
+  ip: string,
+  meta: { weight?: number; priority?: number },
+): AddressBlockState {
+  if (!state.nodes.some((node) => node.ip === ip)) return state
+  return {
+    ...state,
+    target_ip_weights:
+      meta.weight === undefined
+        ? state.target_ip_weights
+        : { ...state.target_ip_weights, [ip]: clampLbMeta(meta.weight) },
+    target_ip_priorities:
+      meta.priority === undefined
+        ? state.target_ip_priorities
+        : { ...state.target_ip_priorities, [ip]: clampLbMeta(meta.priority) },
+  }
 }
 
 export function addressHasFqdn(state: AddressBlockState, fqdn: string): boolean {
   const key = fqdnKey(fqdn)
   if (!key) return false
   if (state.commonFqdns.some((item) => fqdnKey(item) === key)) return true
-  if (state.nodes.some((node) => fqdnKey(node.extraFqdn) === key)) return true
-  return false
+  if (state.nodes.some((node) => node.extraFqdns.some((item) => fqdnKey(item) === key))) {
+    return true
+  }
+  return state.preservedBindings.some((item) => fqdnKey(item.fqdn) === key)
 }
 
 export function addCommonFqdn(state: AddressBlockState, fqdn: string): AddressBlockState {
   const trimmed = fqdn.trim()
-  if (!trimmed || addressHasFqdn(state, trimmed)) return state
-  return { ...state, commonFqdns: [...state.commonFqdns, trimmed] }
+  if (!trimmed) return state
+  const key = fqdnKey(trimmed)
+  if (state.commonFqdns.some((item) => fqdnKey(item) === key)) return state
+  if (state.nodes.some((node) => node.extraFqdns.some((item) => fqdnKey(item) === key))) {
+    return state
+  }
+  // Promote out of invisible preserved (corrupted / CNAME-adjacent duplicates).
+  const preservedBindings = state.preservedBindings.filter(
+    (item) => fqdnKey(item.fqdn) !== key,
+  )
+  return {
+    ...state,
+    commonFqdns: [...state.commonFqdns, trimmed],
+    preservedBindings,
+  }
 }
 
 export function removeCommonFqdn(state: AddressBlockState, index: number): AddressBlockState {
@@ -279,6 +397,62 @@ export function updateCommonFqdn(
   }
 }
 
+export function addExtraFqdn(
+  state: AddressBlockState,
+  ip: string,
+  fqdn: string,
+): AddressBlockState {
+  const trimmed = fqdn.trim()
+  if (!trimmed) return state
+  const key = fqdnKey(trimmed)
+  if (state.commonFqdns.some((item) => fqdnKey(item) === key)) return state
+  if (state.nodes.some((node) => node.extraFqdns.some((item) => fqdnKey(item) === key))) {
+    return state
+  }
+  if (!state.nodes.some((node) => node.ip === ip)) return state
+  return {
+    ...state,
+    preservedBindings: state.preservedBindings.filter((item) => fqdnKey(item.fqdn) !== key),
+    nodes: state.nodes.map((node) =>
+      node.ip === ip ? { ...node, extraFqdns: [...node.extraFqdns, trimmed] } : node,
+    ),
+  }
+}
+
+export function removeExtraFqdn(
+  state: AddressBlockState,
+  ip: string,
+  index: number,
+): AddressBlockState {
+  return {
+    ...state,
+    nodes: state.nodes.map((node) =>
+      node.ip === ip
+        ? { ...node, extraFqdns: node.extraFqdns.filter((_, i) => i !== index) }
+        : node,
+    ),
+  }
+}
+
+export function updateExtraFqdn(
+  state: AddressBlockState,
+  ip: string,
+  index: number,
+  fqdn: string,
+): AddressBlockState {
+  return {
+    ...state,
+    nodes: state.nodes.map((node) =>
+      node.ip === ip
+        ? {
+            ...node,
+            extraFqdns: node.extraFqdns.map((item, i) => (i === index ? fqdn : item)),
+          }
+        : node,
+    ),
+  }
+}
+
 export function toAddressBindings(
   state: AddressBlockState,
   primary: AddressPrimaryMeta,
@@ -308,21 +482,29 @@ export function toAddressBindings(
   }
 
   for (const node of state.nodes) {
-    const extraFqdn = node.extraFqdn.trim()
-    if (!extraFqdn) continue
-    drafts.push({
-      fqdn: extraFqdn,
-      record_type: 'A',
-      target_ips: [node.ip],
-      target_cname: '',
-      lb_mode: primary.lb_mode,
-      health: { ...primary.health },
-      target_ip_weights: { [node.ip]: weights[node.ip] ?? 1 },
-      target_ip_priorities: { [node.ip]: priorities[node.ip] ?? 1 },
-    })
+    for (const raw of node.extraFqdns) {
+      const extraFqdn = raw.trim()
+      if (!extraFqdn) continue
+      drafts.push({
+        fqdn: extraFqdn,
+        record_type: 'A',
+        target_ips: [node.ip],
+        target_cname: '',
+        lb_mode: primary.lb_mode,
+        health: { ...primary.health },
+        target_ip_weights: { [node.ip]: weights[node.ip] ?? 1 },
+        target_ip_priorities: { [node.ip]: priorities[node.ip] ?? 1 },
+      })
+    }
   }
 
-  drafts.push(...state.preservedBindings)
+  const seen = new Set(drafts.map((item) => fqdnKey(item.fqdn)).filter(Boolean))
+  for (const preserved of state.preservedBindings) {
+    const key = fqdnKey(preserved.fqdn)
+    if (!key || seen.has(key)) continue
+    seen.add(key)
+    drafts.push(preserved)
+  }
   return drafts
 }
 

apps/web/src/queries/services.ts

@@ -36,6 +36,8 @@ export const serviceGroupsQueryOptions = () =>
       }
       return parsed.data
     },
+    refetchInterval: 10_000,
+    staleTime: 5_000,
   })
 
 export const servicesQueryOptions = () =>
@@ -101,6 +103,8 @@ export const serviceViewQueryOptions = (id: number) =>
       const data = await api.get<unknown>(`/api/v1/services/${id}`)
       return serviceViewSchema.parse(data)
     },
+    refetchInterval: 10_000,
+    staleTime: 5_000,
   })
 
 export const serviceHealthLogQueryOptions = (id: number) =>
@@ -110,6 +114,8 @@ export const serviceHealthLogQueryOptions = (id: number) =>
       const data = await api.get<unknown>(`/api/v1/services/${id}/health-log`)
       return z.object({ items: z.array(healthProbeLogSchema) }).parse(data)
     },
+    refetchInterval: 10_000,
+    staleTime: 5_000,
   })
 
 export const serviceFailoverLogQueryOptions = (id: number) =>

apps/web/src/routes/_auth/services/$serviceId/index.tsx

@@ -32,9 +32,11 @@ import {
   ServiceHealthMonitor,
 } from '@/components/reui-kit'
 import { api } from '@/lib/api-client'
+import { hasSharedPool, uniqueIpCount } from '@/lib/failover-events'
 import {
   enabledHealthProviders,
   providerHealthStatuses,
+  resolveServiceDisplayHealth,
 } from '@/lib/health-log'
 import type { ServiceView, UpdateServiceConfigInput } from '@/lib/schemas'
 import {
@@ -115,6 +117,22 @@ function ServiceDetailPage() {
       })),
     [service?.domains],
   )
+  const uniqueEnabledIps = useMemo(
+    () =>
+      (service?.ips ?? []).filter((ip) => service?.ip_enabled[ip] !== false),
+    [service?.ips, service?.ip_enabled],
+  )
+  const displayHealth = useMemo(
+    () =>
+      resolveServiceDisplayHealth(
+        service?.health_status,
+        service?.ip_health ?? [],
+        logItems,
+      ),
+    [service?.health_status, service?.ip_health, logItems],
+  )
+  const showPoolPanel =
+    uniqueEnabledIps.length >= 2 && hasSharedPool(failoverBindings)
   const nodes = (nodesQuery.data as OverviewPayload['nodes']) ?? []
 
   const [editOpen, setEditOpen] = useState(false)
@@ -250,8 +268,11 @@ function ServiceDetailPage() {
             description="Domain → Service → Node → Health → Failover"
             actions={
               <>
-                <LbModeTile mode={service.lb_mode} />
-                <HealthCheckBadge status={service.health_status} />
+                <LbModeTile
+                  mode={service.lb_mode}
+                  hasPool={uniqueIpCount(service.ips) >= 2}
+                />
+                <HealthCheckBadge status={displayHealth} />
                 <Tooltip>
                   <TooltipTrigger
                     render={
@@ -278,20 +299,20 @@ function ServiceDetailPage() {
                 id: 'status',
                 icon: <ActivityIcon />,
                 label: 'Статус',
-                value: service.health_status === 'up' ? 'OK' : service.health_status,
+                value: displayHealth === 'up' ? 'OK' : displayHealth,
                 variant:
-                  service.health_status === 'down'
+                  displayHealth === 'down'
                     ? 'destructive'
-                    : service.health_status === 'degraded'
+                    : displayHealth === 'degraded'
                       ? 'warning'
                       : 'default',
                 iconClassName:
-                  service.health_status === 'down'
+                  displayHealth === 'down'
                     ? 'text-destructive'
-                    : service.health_status === 'degraded'
+                    : displayHealth === 'degraded'
                       ? 'text-warning'
                       : 'text-success',
-                hint: <HealthCheckBadge status={service.health_status} size="xs" />,
+                hint: <HealthCheckBadge status={displayHealth} size="xs" />,
               },
               {
                 id: 'fqdn',
@@ -305,21 +326,33 @@ function ServiceDetailPage() {
                 icon: <NetworkIcon />,
                 label: 'IP',
                 value: String(service.ips.length),
-                hint: `${service.active_ips.length} в пуле`,
+                hint: showPoolPanel
+                  ? `${service.active_ips.length} в пуле`
+                  : uniqueEnabledIps.length <= 1
+                    ? 'без балансировки'
+                    : service.ips.join(', ') || 'нет',
               },
               {
                 id: 'pool',
                 icon: <ServerIcon />,
-                label: 'Активный пул',
-                value: String((overview?.active_addresses ?? service.active_ips).length),
-                hint: (overview?.active_addresses ?? service.active_ips).join(', ') || 'нет',
+                label: showPoolPanel ? 'Активный пул' : 'Адреса',
+                value: String(
+                  (overview?.active_addresses ?? service.active_ips).length,
+                ),
+                hint:
+                  (overview?.active_addresses ?? service.active_ips).join(', ') ||
+                  'нет',
               },
             ]}
           />
 
           <section
             aria-label="Мониторинг"
-            className="grid min-w-0 items-start gap-2 @3xl:grid-cols-2"
+            className={
+              showPoolPanel
+                ? 'grid min-w-0 items-start gap-2 @3xl:grid-cols-2'
+                : 'grid min-w-0 items-start gap-2'
+            }
           >
             <ServiceHealthMonitor
               items={logItems}
@@ -327,11 +360,16 @@ function ServiceDetailPage() {
               statuses={providerStatuses}
               isLoading={logQuery.isLoading}
             />
-            <ServiceFailoverPanel
-              ipHealth={service.ip_health}
-              bindings={failoverBindings}
-              history={failoverHistory}
-            />
+            {showPoolPanel ? (
+              <ServiceFailoverPanel
+                lbMode={service.lb_mode}
+                hasPool={uniqueIpCount(service.ips) >= 2}
+                ipHealth={service.ip_health}
+                bindings={failoverBindings}
+                history={failoverHistory}
+                probes={logItems}
+              />
+            ) : null}
           </section>
 
           {service.ips.length === 0 && service.domains.length === 0 ? (
@@ -344,6 +382,7 @@ function ServiceDetailPage() {
             <ServiceDetailGrid
               service={service}
               nodes={nodes}
+              probes={logItems}
               togglingIp={togglingIp}
               onToggleIp={(ip, enabled) => {
                 setTogglingIp(ip)

docs/Home.md

@@ -44,9 +44,10 @@ health-check работают на двух уровнях:
 - **Change Domain** — перенос привязок между зонами `POST /api/v1/services/:id/change-domain`.
 
 Режимы LB: `round_robin`, `failover`, `weighted`. В Cloudflare free `weighted`
-работает как `round_robin` (одна A на IP). `unknown` **не** считается healthy и
-не попадает в пул, пока нет успешных проб; восстановление — `UNHEALTHY → CHECKING → HEALTHY`
-после `HEALTH_SUCCESS_RECOVERIES` (default 2). Пороги и cron движка задаются в
+работает как `round_robin` (одна A на IP). В A-пул попадает всё, кроме **Down**
+(`unknown` / checking / Slow возвращаются в DNS на первой успешной пробе).
+Бейдж Healthy — `UNHEALTHY → CHECKING → HEALTHY` после `HEALTH_SUCCESS_RECOVERIES`
+(default 2). Пороги и cron движка задаются в
 **Настройки → Health-check** (env — fallback, пока значения не сохранены в UI).
 
 ### Источники проб: Local, Cloudflare Worker, Globalping

packages/db/src/repos.ts

@@ -2341,6 +2341,113 @@ export function listIpHealthByServiceIds(
   return result;
 }
 
+function parseIpHealthState(status: string | null): IpHealthState | undefined {
+  if (
+    status === "up" ||
+    status === "down" ||
+    status === "degraded" ||
+    status === "unknown"
+  ) {
+    return status;
+  }
+  return undefined;
+}
+
+function bestAliveIpState(statuses: readonly IpHealthState[]): IpHealthState {
+  if (statuses.some((status) => status === "up")) return "up";
+  if (statuses.some((status) => status === "degraded")) return "degraded";
+  if (statuses.some((status) => status === "down")) return "down";
+  return "unknown";
+}
+
+/**
+ * Latest probe per service+IP+provider from health_probe_log, then any-up per IP.
+ * Display overlay — hysteresis in ip_health_status is unchanged (DNS).
+ */
+export function listLatestLiveHealthByServiceIds(
+  db: Db,
+  serviceIds: number[],
+): Map<number, ServiceIpHealthRow[]> {
+  const result = new Map<number, ServiceIpHealthRow[]>();
+  if (serviceIds.length === 0) return result;
+  const idList = sql.join(
+    serviceIds.map((id) => sql`${id}`),
+    sql`, `,
+  );
+  const rows = db.all<{
+    service_id: number;
+    ip: string;
+    provider: string | null;
+    status: string | null;
+    latency_ms: number | null;
+    last_error: string | null;
+    colo: string | null;
+    checked_at: string | null;
+  }>(sql`
+    SELECT sb.service_id AS service_id,
+      l.ip AS ip,
+      l.provider AS provider,
+      l.status AS status,
+      l.latency_ms AS latency_ms,
+      l.error AS last_error,
+      l.colo AS colo,
+      l.checked_at AS checked_at
+    FROM health_probe_log l
+    INNER JOIN service_bindings sb
+      ON l.scope = 'binding' AND l.ref_id = sb.id
+    INNER JOIN (
+      SELECT sb2.service_id AS service_id,
+        l2.ip AS ip,
+        l2.provider AS provider,
+        MAX(l2.id) AS max_id
+      FROM health_probe_log l2
+      INNER JOIN service_bindings sb2
+        ON l2.scope = 'binding' AND l2.ref_id = sb2.id
+      WHERE sb2.service_id IN (${idList})
+      GROUP BY sb2.service_id, l2.ip, l2.provider
+    ) latest
+      ON latest.max_id = l.id
+  `);
+
+  const byServiceIp = new Map<
+    string,
+    { serviceId: number; ip: string; probes: ServiceIpHealthRow[] }
+  >();
+  for (const row of rows) {
+    const status = parseIpHealthState(row.status);
+    if (!status) continue;
+    const key = `${row.service_id}\0${row.ip}`;
+    const probe: ServiceIpHealthRow = {
+      ip: row.ip,
+      status,
+      latency_ms: row.latency_ms,
+      last_checked_at: row.checked_at,
+      last_error: row.last_error,
+      provider: normalizeStatusProvider(row.provider),
+      colo: row.colo,
+    };
+    const bucket = byServiceIp.get(key);
+    if (bucket) bucket.probes.push(probe);
+    else {
+      byServiceIp.set(key, {
+        serviceId: row.service_id,
+        ip: row.ip,
+        probes: [probe],
+      });
+    }
+  }
+
+  for (const { serviceId, ip, probes } of byServiceIp.values()) {
+    const status = bestAliveIpState(probes.map((probe) => probe.status));
+    const preferred =
+      probes.find((probe) => probe.status === status) ?? probes[0]!;
+    const list = result.get(serviceId) ?? [];
+    list.push({ ...preferred, ip, status });
+    result.set(serviceId, list);
+  }
+  return result;
+}
+
 export function mergeHealthAggregates(
   parts: Array<HealthAggregate | undefined | null>,
 ): HealthAggregate {

packages/shared/dist/index.d.ts

@@ -2247,6 +2247,11 @@ declare const cfdmBindingSyncItemSchema: z.ZodObject<{
     hostname: z.ZodString;
     ips: z.ZodArray<z.ZodString>;
     cnameTarget: z.ZodOptional<z.ZodString>;
+    lbMode: z.ZodOptional<z.ZodEnum<{
+        round_robin: "round_robin";
+        failover: "failover";
+        weighted: "weighted";
+    }>>;
     deleted: z.ZodOptional<z.ZodBoolean>;
 }, z.core.$strip>;
 declare const cfdmSyncBindingsBodySchema: z.ZodObject<{
@@ -2260,6 +2265,11 @@ declare const cfdmSyncBindingsBodySchema: z.ZodObject<{
         hostname: z.ZodString;
         ips: z.ZodArray<z.ZodString>;
         cnameTarget: z.ZodOptional<z.ZodString>;
+        lbMode: z.ZodOptional<z.ZodEnum<{
+            round_robin: "round_robin";
+            failover: "failover";
+            weighted: "weighted";
+        }>>;
         deleted: z.ZodOptional<z.ZodBoolean>;
     }, z.core.$strip>>;
     fullSync: z.ZodOptional<z.ZodBoolean>;

packages/shared/dist/index.js

@@ -19,7 +19,10 @@ var CERT_MONITORING_VALUES = [
 ];
 
 // src/validators.ts
-var NAME_RE = /^(@|\*|[a-zA-Z0-9_]([a-zA-Z0-9_-]*[a-zA-Z0-9_])?(\.[a-zA-Z0-9_]([a-zA-Z0-9_-]*[a-zA-Z0-9_])?)*)$/;
+var LABEL_RE = "[a-zA-Z0-9_](?:[a-zA-Z0-9_-]*[a-zA-Z0-9_])?";
+var NAME_RE = new RegExp(
+  `^(@|\\*|(\\*\\.)?${LABEL_RE}(?:\\.${LABEL_RE})*)$`
+);
 var IPV4_RE = /^((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)$/;
 var IPV6_RE = /^([0-9a-fA-F]{0,4}:){2,7}[0-9a-fA-F]{0,4}$/;
 var ALLOWED_TYPES = ["A", "AAAA", "CNAME", "TXT", "MX", "NS", "SRV", "CAA"];
@@ -106,6 +109,7 @@ function dnsNameToSubdomainLabel(recordName, zoneName) {
     const prefix = rn.slice(0, rn.length - zoneSuffix.length);
     return prefix || "@";
   }
+  if (rn.startsWith("*.")) return rn;
   if (!rn.includes(".")) return rn;
   return null;
 }
@@ -846,6 +850,8 @@ var cfdmBindingSyncItemSchema = z3.object({
   ips: z3.array(z3.string()),
   /** CNAME-цель (FQDN), если binding — CNAME; для матчинга в VPS Tracker. */
   cnameTarget: z3.string().optional(),
+  /** HA-режим binding (fallback — service group). Optional для старых payload. */
+  lbMode: z3.enum(["round_robin", "failover", "weighted"]).optional(),
   deleted: z3.boolean().optional()
 });
 var cfdmSyncBindingsBodySchema = z3.object({

packages/shared/src/integration-vps-tracker.ts

@@ -11,6 +11,8 @@ export const cfdmBindingSyncItemSchema = z.object({
   ips: z.array(z.string()),
   /** CNAME-цель (FQDN), если binding — CNAME; для матчинга в VPS Tracker. */
   cnameTarget: z.string().optional(),
+  /** HA-режим binding (fallback — service group). Optional для старых payload. */
+  lbMode: z.enum(["round_robin", "failover", "weighted"]).optional(),
   deleted: z.boolean().optional(),
 });
 

packages/shared/src/subdomain.ts

@@ -19,6 +19,7 @@ export function dnsNameToSubdomainLabel(
     return prefix || "@";
   }
 
+  if (rn.startsWith("*.")) return rn;
   if (!rn.includes(".")) return rn;
 
   return null;

packages/shared/src/validators.ts

@@ -5,8 +5,11 @@ import {
 } from "./constants.js";
 import type { ServiceGroup } from "./types.js";
 
-const NAME_RE =
-  /^(@|\*|[a-zA-Z0-9_]([a-zA-Z0-9_-]*[a-zA-Z0-9_])?(\.[a-zA-Z0-9_]([a-zA-Z0-9_-]*[a-zA-Z0-9_])?)*)$/;
+const LABEL_RE = "[a-zA-Z0-9_](?:[a-zA-Z0-9_-]*[a-zA-Z0-9_])?";
+/** Apex `@`, zone `*`, labels, or nested wildcard (`*.ndns`, `*.ndns.shnt.top`). */
+const NAME_RE = new RegExp(
+  `^(@|\\*|(\\*\\.)?${LABEL_RE}(?:\\.${LABEL_RE})*)$`,
+);
 const IPV4_RE =
   /^((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)$/;
 const IPV6_RE = /^([0-9a-fA-F]{0,4}:){2,7}[0-9a-fA-F]{0,4}$/;

packages/shared/test/subdomain.test.ts

@@ -23,6 +23,13 @@ describe("normalizeDnsRecordName", () => {
     expect(normalizeDnsRecordName("@", ZONE)).toBe("rkns.top");
     expect(normalizeDnsRecordName("rkns.top", ZONE)).toBe("rkns.top");
   });
+
+  it("normalizes nested wildcard relative name to FQDN", () => {
+    expect(normalizeDnsRecordName("*.mdns", ZONE)).toBe("*.mdns.rkns.top");
+    expect(normalizeDnsRecordName("*.mdns.rkns.top", ZONE)).toBe(
+      "*.mdns.rkns.top",
+    );
+  });
 });
 
 describe("dnsRecordNamesMatch", () => {
@@ -34,10 +41,19 @@ describe("dnsRecordNamesMatch", () => {
   it("does not match different hosts", () => {
     expect(dnsRecordNamesMatch("de", "mhome.rkns.top", ZONE)).toBe(false);
   });
+
+  it("matches nested wildcard relative name and FQDN", () => {
+    expect(dnsRecordNamesMatch("*.mdns", "*.mdns.rkns.top", ZONE)).toBe(true);
+  });
 });
 
 describe("dnsNameToSubdomainLabel", () => {
   it("extracts label from FQDN", () => {
     expect(dnsNameToSubdomainLabel("de.rkns.top", ZONE)).toBe("de");
   });
+
+  it("keeps nested wildcard relative names", () => {
+    expect(dnsNameToSubdomainLabel("*.mdns", ZONE)).toBe("*.mdns");
+    expect(dnsNameToSubdomainLabel("*.mdns.rkns.top", ZONE)).toBe("*.mdns");
+  });
 });

packages/shared/test/validators.test.ts

@@ -0,0 +1,41 @@
+import { describe, expect, it } from "vitest";
+import { validateDnsRecord, ValidationError } from "../src/validators.js";
+
+function assertValidName(name: string): void {
+  expect(() =>
+    validateDnsRecord("A", name, "1.2.3.4", 1, false),
+  ).not.toThrow();
+}
+
+function assertInvalidName(name: string): void {
+  expect(() => validateDnsRecord("A", name, "1.2.3.4", 1, false)).toThrow(
+    ValidationError,
+  );
+  expect(() => validateDnsRecord("A", name, "1.2.3.4", 1, false)).toThrow(
+    `invalid record name: ${name}`,
+  );
+}
+
+describe("validateDnsRecord name", () => {
+  it("accepts apex and zone wildcard", () => {
+    assertValidName("@");
+    assertValidName("*");
+  });
+
+  it("accepts regular labels and FQDN", () => {
+    assertValidName("ndns");
+    assertValidName("ndns.shnt.top");
+  });
+
+  it("accepts nested wildcard relative name and FQDN", () => {
+    assertValidName("*.ndns");
+    assertValidName("*.ndns.shnt.top");
+    assertValidName("*.mdns");
+    assertValidName("*.mdns.rkns.top");
+  });
+
+  it("rejects wildcard not as leftmost label", () => {
+    assertInvalidName("foo.*.bar");
+    assertInvalidName("ndns.*");
+  });
+});