feat: integrate Vitest for testing and update workflows

- Added Vitest as a testing framework in package.json and configured test scripts.
- Created new test files for CLI and client functionalities, ensuring comprehensive coverage.
- Updated GitHub Actions workflows to include testing steps and streamlined release process.
- Removed the deprecated onRelease workflow to consolidate CI/CD processes.

tests/cli.test.ts

@@ -0,0 +1,86 @@
+import { execFileSync } from "node:child_process";
+import * as path from "node:path";
+import { fileURLToPath } from "node:url";
+import { describe, expect, it } from "vitest";
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+const ROOT = path.resolve(__dirname, "..");
+const CLI = path.join(ROOT, "dist", "index.js");
+
+function run(...args: string[]): string {
+	return execFileSync("node", [CLI, ...args], {
+		encoding: "utf8",
+		env: { ...process.env, NO_COLOR: "1" },
+	});
+}
+
+describe("CLI", () => {
+	it("should show help with --help", () => {
+		const output = run("--help");
+		expect(output).toContain("Dokploy CLI");
+		expect(output).toContain("auth");
+		expect(output).toContain("application");
+		expect(output).toContain("project");
+	});
+
+	it("should show version with --version", () => {
+		const output = run("--version");
+		expect(output.trim()).toMatch(/^\d+\.\d+\.\d+$/);
+	});
+
+	it("should show subcommands for application", () => {
+		const output = run("application", "--help");
+		expect(output).toContain("create");
+		expect(output).toContain("deploy");
+		expect(output).toContain("delete");
+		expect(output).toContain("stop");
+	});
+
+	it("should show subcommands for postgres", () => {
+		const output = run("postgres", "--help");
+		expect(output).toContain("create");
+		expect(output).toContain("deploy");
+		expect(output).toContain("remove");
+	});
+
+	it("should show options for a specific command", () => {
+		const output = run("application", "create", "--help");
+		expect(output).toContain("--name");
+		expect(output).toContain("--environmentId");
+	});
+
+	it("should show auth command options", () => {
+		const output = run("auth", "--help");
+		expect(output).toContain("--url");
+		expect(output).toContain("--token");
+	});
+
+	it("should show all expected command groups", () => {
+		const output = run("--help");
+		const expectedGroups = [
+			"application",
+			"postgres",
+			"mysql",
+			"redis",
+			"mongo",
+			"mariadb",
+			"compose",
+			"docker",
+			"project",
+			"server",
+			"domain",
+			"backup",
+			"settings",
+			"user",
+			"environment",
+		];
+		for (const group of expectedGroups) {
+			expect(output).toContain(group);
+		}
+	});
+
+	it("should exit with 0 when no args provided", () => {
+		const output = run();
+		expect(output).toContain("Usage:");
+	});
+});