A- Add more tests.

- Object Storage support has also been confirmed (and fixed) in CLI.

src/apps/cli/main.unit.spec.ts

@@ -0,0 +1,61 @@
+import { afterEach, describe, expect, it, vi } from "vitest";
+import { parseArgs } from "./main";
+
+function mockProcessExit() {
+    const exitMock = vi.spyOn(process, "exit").mockImplementation(((code?: number) => {
+        throw new Error(`__EXIT__:${code ?? 0}`);
+    }) as any);
+    return exitMock;
+}
+
+describe("CLI parseArgs", () => {
+    const originalArgv = process.argv.slice();
+
+    afterEach(() => {
+        process.argv = originalArgv.slice();
+        vi.restoreAllMocks();
+    });
+
+    it("exits 1 when --settings has no value", () => {
+        process.argv = ["node", "livesync-cli", "./vault", "--settings"];
+        const exitMock = mockProcessExit();
+        const stderr = vi.spyOn(console, "error").mockImplementation(() => {});
+
+        expect(() => parseArgs()).toThrowError("__EXIT__:1");
+        expect(exitMock).toHaveBeenCalledWith(1);
+        expect(stderr).toHaveBeenCalledWith("Error: Missing value for --settings");
+    });
+
+    it("exits 1 when database-path is missing", () => {
+        process.argv = ["node", "livesync-cli", "sync"];
+        const exitMock = mockProcessExit();
+        const stderr = vi.spyOn(console, "error").mockImplementation(() => {});
+
+        expect(() => parseArgs()).toThrowError("__EXIT__:1");
+        expect(exitMock).toHaveBeenCalledWith(1);
+        expect(stderr).toHaveBeenCalledWith("Error: database-path is required");
+    });
+
+    it("exits 1 for unknown command after database-path", () => {
+        process.argv = ["node", "livesync-cli", "./vault", "unknown-cmd"];
+        const exitMock = mockProcessExit();
+        const stderr = vi.spyOn(console, "error").mockImplementation(() => {});
+
+        expect(() => parseArgs()).toThrowError("__EXIT__:1");
+        expect(exitMock).toHaveBeenCalledWith(1);
+        expect(stderr).toHaveBeenCalledWith("Error: Unknown command 'unknown-cmd'");
+    });
+
+    it("exits 0 and prints help for --help", () => {
+        process.argv = ["node", "livesync-cli", "--help"];
+        const exitMock = mockProcessExit();
+        const stdout = vi.spyOn(console, "log").mockImplementation(() => {});
+
+        expect(() => parseArgs()).toThrowError("__EXIT__:0");
+        expect(exitMock).toHaveBeenCalledWith(0);
+        expect(stdout).toHaveBeenCalled();
+        const combined = stdout.mock.calls.flat().join("\n");
+        expect(combined).toContain("Usage:");
+        expect(combined).toContain("livesync-cli [database-path]");
+    });
+});