feat: add domain models and repositories for user, spool presets, and filaments

- Introduced SpoolPreset and User domain models with necessary DTOs and utility functions.
- Created AuthRepository, FilamentRepository, and SpoolPresetRepository interfaces for authentication and data management.
- Implemented UI components for filament display, including ColorSwatch, FilamentCard, and StockBar.
- Developed layout components such as Header and Screen for consistent app structure.
- Added reusable UI components like Badge, Button, Card, and Input for better user interaction.
- Established global constants and theme settings for consistent styling across the application.
- Implemented utility functions for filament calculations and formatting.
- Created Zustand stores for managing authentication, filament, and preset states.
- Configured TypeScript settings for improved development experience.

mobile/app/(auth)/verify-email.tsx

@@ -0,0 +1,78 @@
+import React from 'react';
+import { View, Text, StyleSheet } from 'react-native';
+import { Ionicons } from '@expo/vector-icons';
+import { Screen } from '@presentation/components/layout/Screen';
+import { Header } from '@presentation/components/layout/Header';
+import { colors, typography, spacing, radius } from '@shared/theme';
+
+/**
+ * Tela de Verificação de E-mail — RU-0
+ * Mostrada após o cadastro bem-sucedido.
+ */
+export default function VerifyEmailScreen(): React.ReactElement {
+  return (
+    <Screen>
+      <Header title="Verificar e-mail" showBack />
+
+      <View style={styles.content}>
+        <View style={styles.iconWrapper}>
+          <Ionicons name="mail-outline" size={64} color={colors.accent} />
+        </View>
+
+        <Text style={styles.title}>Confirme seu e-mail</Text>
+        <Text style={styles.description}>
+          Enviamos um link de verificação para o seu e-mail. Clique no link para ativar sua conta e poder fazer login.
+        </Text>
+
+        <View style={styles.hint}>
+          <Ionicons name="information-circle-outline" size={16} color={colors.textSecondary} />
+          <Text style={styles.hintText}>Não recebeu? Verifique sua pasta de spam.</Text>
+        </View>
+      </View>
+    </Screen>
+  );
+}
+
+const styles = StyleSheet.create({
+  content: {
+    flex: 1,
+    alignItems: 'center',
+    justifyContent: 'center',
+    gap: spacing[5],
+    paddingHorizontal: spacing[4],
+  },
+  iconWrapper: {
+    width: 100,
+    height: 100,
+    borderRadius: radius.xl,
+    backgroundColor: colors.bgSurface,
+    alignItems: 'center',
+    justifyContent: 'center',
+    marginBottom: spacing[2],
+  },
+  title: {
+    fontFamily: typography.fontFamily.ui,
+    fontSize: typography.fontSize.xl,
+    fontWeight: typography.fontWeight.bold,
+    color: colors.textPrimary,
+    textAlign: 'center',
+  },
+  description: {
+    fontFamily: typography.fontFamily.ui,
+    fontSize: typography.fontSize.base,
+    color: colors.textSecondary,
+    textAlign: 'center',
+    lineHeight: typography.fontSize.base * 1.6,
+  },
+  hint: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    gap: spacing[2],
+    marginTop: spacing[4],
+  },
+  hintText: {
+    fontFamily: typography.fontFamily.ui,
+    fontSize: typography.fontSize.sm,
+    color: colors.textSecondary,
+  },
+});