Add OTP and password login with profile password setup.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/components/auth/AuthModeSwitch.vue

@@ -0,0 +1,27 @@
+<template>
+  <div class="mb-4 flex rounded-xl border border-border bg-surface-3 p-1">
+    <button
+      type="button"
+      class="flex-1 rounded-lg py-2 text-sm font-medium transition"
+      :class="modelValue === 'otp' ? 'bg-surface text-text shadow-sm' : 'text-muted'"
+      @click="emit('update:modelValue', 'otp')"
+    >
+      کد یکبارمصرف
+    </button>
+    <button
+      type="button"
+      class="flex-1 rounded-lg py-2 text-sm font-medium transition"
+      :class="modelValue === 'password' ? 'bg-surface text-text shadow-sm' : 'text-muted'"
+      @click="emit('update:modelValue', 'password')"
+    >
+      رمز عبور
+    </button>
+  </div>
+</template>
+
+<script setup lang="ts">
+export type AuthLoginMode = 'otp' | 'password';
+
+defineProps<{ modelValue: AuthLoginMode }>();
+const emit = defineEmits<{ 'update:modelValue': [value: AuthLoginMode] }>();
+</script>