commitbee 0.6.0

diff --git a/tests/auth_spec.ts b/tests/auth_spec.ts
new file mode 100644
index 0000000..abc1234
--- /dev/null
+++ b/tests/auth_spec.ts
@@ -0,0 +1,28 @@
+import { describe, it, expect } from "vitest";
+import { validateToken, refreshToken } from "../src/services/auth";
+
+describe("validateToken", () => {
+  it("should return true for valid tokens", () => {
+    const token = createTestToken({ exp: Date.now() / 1000 + 3600 });
+    expect(validateToken(token)).toBe(true);
+  });
+
+  it("should return false for expired tokens", () => {
+    const token = createTestToken({ exp: Date.now() / 1000 - 100 });
+    expect(validateToken(token)).toBe(false);
+  });
+
+  it("should throw for malformed tokens", () => {
+    expect(() => validateToken("not-a-jwt")).toThrow();
+  });
+});
+
+describe("refreshToken", () => {
+  it("should return a new token", async () => {
+    const oldToken = createTestToken({ exp: Date.now() / 1000 + 60 });
+    const newToken = await refreshToken(oldToken);
+    expect(newToken).not.toBe(oldToken);
+  });
+});
+
+function createTestToken(payload: Record<string, unknown>): string {
+  return Buffer.from(JSON.stringify(payload)).toString("base64");
+}