feat(auth): add User, Cookie, Session entities + errors + config

packages/auth/src/entities/session.test.ts

@@ -0,0 +1,23 @@
+import { describe, expect, it } from "vitest";
+import { sessionSchema } from "./session";
+
+describe("sessionSchema", () => {
+  it("accepts a valid session", () => {
+    const result = sessionSchema.parse({
+      id: "session_1",
+      userId: "1",
+      expiresAt: new Date(),
+    });
+    expect(result.userId).toBe("1");
+  });
+
+  it("rejects non-Date expiresAt", () => {
+    expect(() =>
+      sessionSchema.parse({
+        id: "session_1",
+        userId: "1",
+        expiresAt: "2026-05-04",
+      }),
+    ).toThrow();
+  });
+});