fix(ui): показывать неизвестные поля сертификатов явно

components/data-grids/certificate-days-cell.tsx

@@ -0,0 +1,28 @@
+"use client"
+
+import type { CertificateView } from "@/lib/certificate-view"
+import { cn } from "@/lib/utils"
+
+function daysLeftColor(days: number | null): string {
+  if (days === null) return "text-muted-foreground"
+  if (days <= 7) return "text-destructive"
+  if (days <= 30) return "text-warning"
+  return "text-success"
+}
+
+export function CertDaysCell({ cert }: { cert: CertificateView }) {
+  return (
+    <div className="flex flex-wrap items-center justify-between gap-1 text-xs">
+      <span className={cn("font-mono font-medium", daysLeftColor(cert.daysLeft))}>
+        {cert.daysLeft === null
+          ? "Срок неизвестен"
+          : cert.daysLeft < 0
+            ? "Истёк " + -cert.daysLeft + "д назад"
+            : cert.daysLeft + "д осталось"}
+      </span>
+      <span className="text-muted-foreground text-[10px] break-all">
+        {cert.validUntil ?? "Дата окончания неизвестна"}
+      </span>
+    </div>
+  )
+}

components/data-grids/certificate-expanded-detail.tsx

@@ -1,21 +1,20 @@
 "use client"
 
-import type { CertificateDto } from "@mmapp/contracts/certificates"
+import type { CertificateView } from "@/lib/certificate-view"
 
-
-function CertificateExpandedDetail({ cert }: { cert: CertificateDto }) {
+function CertificateExpandedDetail({ cert }: { cert: CertificateView }) {
   return (
     <div className="px-10 pb-4 grid grid-cols-2 sm:grid-cols-4 gap-4 text-xs border-t border-border/50 pt-3">
       <div>
-        <p className="text-muted-foreground mb-1">Key size</p>
-        <p className="font-mono font-medium">{cert.keySize} bit</p>
+        <p className="text-muted-foreground mb-1">Размер ключа</p>
+        <p className="font-mono font-medium">{cert.keySize === null ? "Неизвестен" : cert.keySize + " бит"}</p>
       </div>
       <div>
         <p className="text-muted-foreground mb-1">Действителен с</p>
-        <p className="font-mono">{cert.validFrom}</p>
+        <p className="font-mono">{cert.validFrom ?? "Дата неизвестна"}</p>
       </div>
       <div>
-        <p className="text-muted-foreground mb-1">SAN / Alt Names</p>
+        <p className="text-muted-foreground mb-1">Дополнительные имена (SAN)</p>
         <div className="flex flex-wrap gap-1">
           {cert.sans.length > 0
             ? cert.sans.map((s) => (
@@ -27,9 +26,9 @@ function CertificateExpandedDetail({ cert }: { cert: CertificateDto }) {
         </div>
       </div>
       <div>
-        <p className="text-muted-foreground mb-1">Trusted</p>
-        <p className={cert.trusted ? "text-emerald-600 dark:text-emerald-400" : "text-red-500"}>
-          {cert.trusted ? "Да (доверенный)" : "Нет (не доверенный)"}
+        <p className="text-muted-foreground mb-1">Доверие</p>
+        <p className={cert.trusted === null ? "text-muted-foreground" : cert.trusted ? "text-success" : "text-destructive"}>
+          {cert.trusted === null ? "Неизвестно" : cert.trusted ? "Да (доверенный)" : "Нет (не доверенный)"}
         </p>
       </div>
     </div>

components/data-grids/certificate-observed-view.test.tsx

@@ -0,0 +1,40 @@
+import assert from "node:assert/strict"
+import { test } from "node:test"
+import { renderToStaticMarkup } from "react-dom/server"
+import type { CertificateObserved } from "@mmapp/contracts/certificates"
+import { CertificateExpandedDetail } from "./certificate-expanded-detail"
+import { CertDaysCell } from "./certificate-days-cell"
+
+const cert: CertificateObserved = {
+  id: "1:*A", rosId: "*A", name: "unknown-cert", serverId: "1", commonName: "test.example",
+  sans: [], issuedBy: "—", validFrom: null, validUntil: null, rawValidFrom: null,
+  rawValidUntil: null, daysLeft: null, keySize: null, trusted: null, status: "unknown", usage: [],
+}
+
+test("unknown observed fields are explicit and do not become zero or untrusted", () => {
+  const details = renderToStaticMarkup(<CertificateExpandedDetail cert={cert} />)
+  const days = renderToStaticMarkup(<CertDaysCell cert={cert} />)
+  assert.match(details, /Неизвестен/)
+  assert.match(details, /Дата неизвестна/)
+  assert.match(details, /Неизвестно/)
+  assert.ok(!details.includes("0 бит"))
+  assert.ok(!details.includes("Нет (не доверенный)"))
+  assert.match(days, /Срок неизвестен/)
+  assert.match(days, /Дата окончания неизвестна/)
+  assert.doesNotMatch(days, /0д осталось/)
+})
+
+test("known false trust and zero remaining days are preserved", () => {
+  const known = { ...cert, trusted: false, keySize: 2048, daysLeft: 0, validUntil: "2026-10-01T00:00:00Z" }
+  const details = renderToStaticMarkup(<CertificateExpandedDetail cert={known} />)
+  assert.ok(details.includes("Нет (не доверенный)"))
+  assert.match(details, /2048 бит/)
+  const days = renderToStaticMarkup(<CertDaysCell cert={known} />)
+  assert.match(days, /0д осталось/)
+  assert.match(days, /2026-10-01T00:00:00Z/)
+})
+
+test("expired and positive observed days stay distinct", () => {
+  assert.match(renderToStaticMarkup(<CertDaysCell cert={{ ...cert, daysLeft: -3 }} />), /Истёк 3д назад/)
+  assert.match(renderToStaticMarkup(<CertDaysCell cert={{ ...cert, daysLeft: 40 }} />), /40д осталось/)
+})

components/data-grids/certificates-data-grid.tsx

@@ -7,8 +7,9 @@ import {
   type ColumnDef,
   useTable,
 } from "@tanstack/react-table"
-import type { CertStatus, Server } from "@/lib/data"
-import type { CertificateDto } from "@mmapp/contracts/certificates"
+import type { Server } from "@/lib/data"
+import type { CertificateView } from "@/lib/certificate-view"
+import { CertDaysCell } from "@/components/data-grids/certificate-days-cell"
 import { Flag } from "@/components/flag"
 import { cn } from "@/lib/utils"
 import { DataGridShell } from "@/components/data-grids/shared/data-grid-shell"
@@ -30,12 +31,19 @@ import {
   ShieldAlertIcon,
   ShieldCheckIcon,
   ShieldOffIcon,
+  CircleHelpIcon,
 } from "lucide-react"
 
 const STATUS_CONFIG: Record<
-  CertStatus,
+  CertificateView["status"],
   { label: string; icon: ReactNode; badge: string; row: string }
 > = {
+  unknown: {
+    label: "Неизвестен",
+    icon: <CircleHelpIcon className="size-4 text-muted-foreground" />,
+    badge: "bg-muted text-muted-foreground border-border",
+    row: "",
+  },
   valid: {
     label: "Действителен",
     icon: <BadgeCheckIcon className="size-4 text-emerald-500" />,
@@ -56,34 +64,14 @@ const STATUS_CONFIG: Record<
   },
 }
 
-function daysLeftColor(days: number): string {
-  if (days < 0) return "text-red-500"
-  if (days <= 7) return "text-red-500"
-  if (days <= 30) return "text-amber-500"
-  return "text-emerald-600 dark:text-emerald-400"
-}
-
-function CertDaysCell({ cert }: { cert: CertificateDto }) {
-  return (
-    <>
-      <div className="flex items-center justify-between text-xs mb-1">
-        <span className={cn("font-mono font-medium", daysLeftColor(cert.daysLeft))}>
-          {cert.daysLeft < 0 ? `Истёк ${-cert.daysLeft}д назад` : `${cert.daysLeft}д осталось`}
-        </span>
-        <span className="text-muted-foreground text-[10px]">{cert.validUntil}</span>
-      </div>
-    </>
-  )
-}
-
 interface CertificatesDataGridProps {
-  certificates: CertificateDto[]
+  certificates: CertificateView[]
   serverMap: Map<string, Server>
   isLoading?: boolean
 }
 
 function CertificatesDataGrid({ certificates, serverMap, isLoading }: CertificatesDataGridProps) {
-  const columns = useMemo<ColumnDef<DataGridFeatures, CertificateDto>[]>(
+  const columns = useMemo<ColumnDef<DataGridFeatures, CertificateView>[]>(
     () => [
       {
         id: "name",
@@ -120,7 +108,7 @@ function CertificatesDataGrid({ certificates, serverMap, isLoading }: Certificat
           headerTitle: "Сертификат",
           headerClassName: DATA_GRID_CELL_PAD_FIRST,
           cellClassName: DATA_GRID_CELL_PAD_FIRST,
-          expandedContent: (row: CertificateDto) => <CertificateExpandedDetail cert={row} />,
+          expandedContent: (row: CertificateView) => <CertificateExpandedDetail cert={row} />,
         },
       },
       {