fix(api): валидировать применение и восстановление маршрутов

backend/src/services/recursive-route-validation.ts

@@ -0,0 +1,18 @@
+import { z } from "zod"
+const serverId = z.union([z.number().int().positive(), z.string().trim().regex(/^\d+$/)])
+  .transform(Number).refine(value => Number.isSafeInteger(value) && value > 0)
+export const recursiveTargetSchema = z.object({ serverId })
+export const recursiveInputRowSchema = z.object({
+  id: z.string().optional().default(""),
+  dstAddress: z.string().trim().min(1), gateway: z.string().trim().min(1),
+  distance: z.number().int().min(0).max(255),
+  scope: z.number().int().min(0).max(255).nullable(),
+  targetScope: z.number().int().min(0).max(255).nullable(),
+  routingTable: z.string().trim().min(1), checkGateway: z.string(),
+  country: z.string(), comment: z.string(), disabled: z.boolean(),
+})
+export const recursiveInputRowsSchema = z.array(recursiveInputRowSchema)
+  .refine(rows => { const ids = rows.map(row => row.id).filter(Boolean); return new Set(ids).size === ids.length })
+export const recursiveApplyBodySchema = recursiveTargetSchema.extend({
+  routes: recursiveInputRowsSchema, source: z.enum(["apply", "copy"]).optional(),
+})