Migrate dependencies: bcrypt→@node-rs/argon2, sanitize-html→isomorphic-dompurify, remove nodemailer/next-view-transitions

src/lib/auth/password.test.ts

@@ -1,4 +1,4 @@
-import { hash as bcryptHash } from "bcrypt";
+import { hash as bcryptHash } from "@node-rs/argon2";
 import { describe, expect, it, vi } from "vitest";
 
 const mockEnv = vi.hoisted(() => ({