refactor: remove username from User model, login by email only

src/schemas/auth.schema.ts

@@ -1,12 +1,7 @@
 import { z } from "zod"
 
 export const signInSchema = z.object({
-  username: z
-    .string()
-    .min(1, {
-      error: "Invalid username",
-    })
-    .nonempty("Username is required"),
+  email: z.email().nonempty("Email is required"),
   password: z
     .string()
     .min(3, {

src/schemas/user.schema.ts

@@ -5,7 +5,6 @@ import type { Dictionary } from "@/i18n/dictionaries"
 export type UserSchemaCopy = Dictionary["admin"]["users"]["schema"]
 
 export const defaultUserSchemaCopy: UserSchemaCopy = {
-  usernameRequired: "Username is required",
   nameRequired: "Name is required",
   emailInvalid: "Invalid email",
   passwordMinLength: "Password must be at least 8 characters",
@@ -20,7 +19,6 @@ function buildUserPasswordSchema(copy: UserSchemaCopy) {
 
 export function buildCreateUserSchema(copy: UserSchemaCopy) {
   return z.object({
-    username: z.string().trim().min(1, { error: copy.usernameRequired }),
     name: z.string().trim().min(1, { error: copy.nameRequired }),
     email: z.email({ error: copy.emailInvalid }),
     password: buildUserPasswordSchema(copy),
@@ -34,7 +32,6 @@ export const createUserSchema = buildCreateUserSchema(defaultUserSchemaCopy)
 export function buildUpdateUserSchema(copy: UserSchemaCopy) {
   return z.object({
     id: z.string().min(1, { error: copy.userIdRequired }),
-    username: z.string().trim().min(1, { error: copy.usernameRequired }),
     name: z.string().trim().min(1, { error: copy.nameRequired }),
     email: z.email({ error: copy.emailInvalid }),
     role: userRoleSchema,