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/services/service-config-service.ts

@@ -345,7 +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);