fix(ipsec): требовать пароль .p12 не короче 8 символов

Co-authored-by: Cursor <[email protected]>

components/ipsec/ipsec-cert-sheet.tsx

@@ -1,7 +1,7 @@
 "use client"
 
 import { useEffect, useMemo, useState } from "react"
-import type { IpsecCertBundle } from "@mmapp/contracts/ipsec"
+import { IPSEC_MIN_PASSPHRASE, type IpsecCertBundle } from "@mmapp/contracts/ipsec"
 import { FormField, SectionTitle } from "@/components/form-kit"
 import { Button } from "@/components/ui/button"
 import { Input } from "@/components/ui/input"
@@ -33,7 +33,8 @@ function downloadB64(filename: string, b64: string, mime: string) {
 }
 
 function randomPassphrase(): string {
-  const bytes = new Uint8Array(9)
+  // RouterOS требует ≥ IPSEC_MIN_PASSPHRASE символов
+  const bytes = new Uint8Array(IPSEC_MIN_PASSPHRASE + 1)
   crypto.getRandomValues(bytes)
   let s = ""
   for (const b of bytes) s += "abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ23456789"[b % 56]
@@ -62,7 +63,10 @@ function IpsecCertSheet({
     queueMicrotask(() => setPassphrase(initial))
   }, [open, bundle])
 
-  const canDownload = useMemo(() => Boolean(bundle && passphrase.trim().length >= 4), [bundle, passphrase])
+  const canDownload = useMemo(
+    () => Boolean(bundle && passphrase.trim().length >= IPSEC_MIN_PASSPHRASE),
+    [bundle, passphrase],
+  )
 
   return (
     <Sheet open={open} onOpenChange={onOpenChange}>
@@ -83,7 +87,15 @@ function IpsecCertSheet({
             <>
               <div className="flex flex-col gap-4">
                 <SectionTitle>Пароль архива .p12</SectionTitle>
-                <FormField label="Passphrase" required hint="Нужна при импорте .p12 на устройстве">
+                <FormField
+                  label="Passphrase"
+                  required
+                  hint={
+                    passphrase.trim().length > 0 && passphrase.trim().length < IPSEC_MIN_PASSPHRASE
+                      ? `Минимум ${IPSEC_MIN_PASSPHRASE} символов — требование RouterOS`
+                      : `Нужна при импорте .p12 на устройстве (минимум ${IPSEC_MIN_PASSPHRASE} символов)`
+                  }
+                >
                   <div className="flex gap-2">
                     <Input
                       className="font-mono"