Fixed: Replication progress is now correctly saved and restored in the CLI.

src/apps/cli/services/NodeLocalStorage.unit.spec.ts

@@ -0,0 +1,60 @@
+import * as fs from "node:fs";
+import * as os from "node:os";
+import * as path from "node:path";
+import { afterEach, describe, expect, it } from "vitest";
+import {
+    clearNodeLocalStorage,
+    configureNodeLocalStorage,
+    ensureGlobalNodeLocalStorage,
+    getNodeLocalStorageItem,
+    setNodeLocalStorageItem,
+} from "./NodeLocalStorage";
+
+describe("NodeLocalStorage", () => {
+    const tempDirs: string[] = [];
+
+    afterEach(() => {
+        clearNodeLocalStorage();
+        for (const tempDir of tempDirs.splice(0)) {
+            fs.rmSync(tempDir, { recursive: true, force: true });
+        }
+    });
+
+    it("persists values to the configured file", () => {
+        const tempDir = fs.mkdtempSync(path.join(os.tmpdir(), "livesync-node-local-storage-"));
+        tempDirs.push(tempDir);
+        const storagePath = path.join(tempDir, "runtime", "local-storage.json");
+
+        configureNodeLocalStorage(storagePath);
+        setNodeLocalStorageItem("checkpoint", "42");
+
+        const saved = JSON.parse(fs.readFileSync(storagePath, "utf-8")) as Record<string, string>;
+        expect(saved.checkpoint).toBe("42");
+    });
+
+    it("reloads persisted values when configured again", () => {
+        const tempDir = fs.mkdtempSync(path.join(os.tmpdir(), "livesync-node-local-storage-"));
+        tempDirs.push(tempDir);
+        const storagePath = path.join(tempDir, "runtime", "local-storage.json");
+
+        fs.mkdirSync(path.dirname(storagePath), { recursive: true });
+        fs.writeFileSync(storagePath, JSON.stringify({ persisted: "value" }, null, 2), "utf-8");
+
+        configureNodeLocalStorage(storagePath);
+
+        expect(getNodeLocalStorageItem("persisted")).toBe("value");
+    });
+
+    it("installs a global localStorage shim backed by the same store", () => {
+        const tempDir = fs.mkdtempSync(path.join(os.tmpdir(), "livesync-node-local-storage-"));
+        tempDirs.push(tempDir);
+        const storagePath = path.join(tempDir, "runtime", "local-storage.json");
+
+        configureNodeLocalStorage(storagePath);
+        ensureGlobalNodeLocalStorage();
+
+        globalThis.localStorage.setItem("shared", "state");
+
+        expect(getNodeLocalStorageItem("shared")).toBe("state");
+    });
+});