fix(backups): сохранить идентичность фоновой задачи

lib/backup-job-checkpoint.test.ts

@@ -0,0 +1,17 @@
+import assert from "node:assert/strict"
+import { test } from "node:test"
+import { backupJobCheckpointSchema, createBackupJobCheckpoint, readBackupJobCheckpoint, backupJobStorageKey } from "./backup-job-checkpoint"
+const id = "11111111-1111-4111-8111-111111111111"
+test("checkpoint freezes a canonical request before acknowledgment", () => {
+ const ids = ["1", "2"], saved = createBackupJobCheckpoint({ serverIds: ids, notes: " manual " }, id); ids.push("3")
+ assert.deepEqual(saved.request.serverIds, ["1", "2"]); assert.equal(saved.request.notes, "manual"); assert.equal(saved.accepted, false); assert.deepEqual(readBackupJobCheckpoint(JSON.stringify(saved)), saved)
+})
+test("corrupt or foreign checkpoints cannot be restored", () => {
+ assert.throws(() => readBackupJobCheckpoint("bad")); assert.throws(() => createBackupJobCheckpoint({ serverIds: ["1", "1"] }, id))
+ const saved = createBackupJobCheckpoint({ serverIds: ["1"] }, id)
+ const job = { id: "other", status: "queued", serverIds: ["1"], total: 1, completed: 0, requestedAt: "2026-10-01T00:00:00Z", created: [], failures: [] }
+ assert.equal(backupJobCheckpointSchema.safeParse({ ...saved, accepted: true, job }).success, false)
+})
+test("storage keys preserve backend scope and absent storage stays absent", () => {
+ assert.notEqual(backupJobStorageKey("one"), backupJobStorageKey("two")); assert.equal(readBackupJobCheckpoint(null), null)
+})