test: add package metadata validation

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: alexandre-mrt

tests/pkg.test.ts

@@ -0,0 +1,11 @@
+import { describe, expect, test } from "bun:test";
+
+describe("Package metadata", () => {
+	test("has required fields", () => {
+		const pkg = require("../package.json");
+		expect(pkg.name).toBe("zerodrop");
+		expect(pkg).toHaveProperty("scripts");
+		expect(pkg.scripts).toHaveProperty("dev");
+		expect(pkg.scripts).toHaveProperty("build");
+	});
+});