chore(backend): добавить поддержку ACME и управление сертификатами

backend/src/services/mikrotik.ts

@@ -431,6 +431,33 @@ export class MikrotikClient {
     return this.post<Array<Record<string, string>>>("/tool/bandwidth-test", body, 30_000)
   }
 
+  async getCertificates(): Promise<Array<Record<string, string | undefined>>> {
+    const raw = await this.get<unknown>("/certificate")
+    if (!Array.isArray(raw)) return []
+    return raw.filter((row): row is Record<string, string | undefined> => row != null && typeof row === "object")
+  }
+
+  async uploadTextFile(fileName: string, contents: string, timeoutMs = 30_000): Promise<void> {
+    await this.post("/file", { name: fileName, contents }, timeoutMs)
+  }
+
+  async importCertificate(params: {
+    fileName: string
+    name: string
+    trusted?: boolean
+    trustStore?: string
+    passphrase?: string
+  }): Promise<unknown> {
+    const body: Record<string, string> = {
+      "file-name": params.fileName,
+      name: params.name,
+      trusted: params.trusted === false ? "no" : "yes",
+    }
+    if (params.trustStore?.trim()) body["trust-store"] = params.trustStore.trim()
+    if (params.passphrase?.trim()) body.passphrase = params.passphrase.trim()
+    return this.post("/certificate/import", body, 60_000)
+  }
+
   async exportConfigScript(): Promise<string> {
     const raw = await this.post<unknown>("/console/export", {}, 30_000)