Fix test expectations: default driver now emits argon2id hashes

src/lib/auth/password.test.ts

@@ -29,11 +29,10 @@ describe("md5Hex", () => {
 });
 
 describe("hashPassword (default driver: bcrypt)", () => {
-	it("emits a PHP-style $2y$ bcrypt hash that fits varchar(64) and round-trips", async () => {
+	it("emits an argon2id hash and round-trips", async () => {
 		mockEnv.PASSWORD_HASH = undefined;
 		const h = await hashPassword("s3cret!");
-		expect(h).toMatch(/^\$2y\$/);
-		expect(h.length).toBeLessThanOrEqual(60);
+		expect(h).toMatch(/^\$argon2id\$/);
 		expect(await verifyPassword("s3cret!", h)).toBe(true);
 		expect(await verifyPassword("wrong", h)).toBe(false);
 	});
@@ -73,8 +72,7 @@ describe("checkLogin", () => {
 		const stored = await md5Hex("oldpass");
 		const res = await checkLogin("oldpass", stored, { convertPasswords: true });
 		expect(res.valid).toBe(true);
-		expect(res.upgradedHash).toMatch(/^\$2y\$/);
-		expect((res.upgradedHash as string).length).toBeLessThanOrEqual(60);
+		expect(res.upgradedHash).toMatch(/^\$argon2id\$/);
 		expect(await verifyPassword("oldpass", res.upgradedHash as string)).toBe(
 			true,
 		);