The vault notification mode1

App.tsx

@@ -6,6 +6,7 @@
  */
 
 import React from 'react';
+import { Buffer } from 'buffer';
 import { StatusBar } from 'expo-status-bar';
 import { NavigationContainer } from '@react-navigation/native';
 import { GestureHandlerRootView } from 'react-native-gesture-handler';
@@ -15,6 +16,10 @@ import AuthNavigator from './src/navigation/AuthNavigator';
 import { AuthProvider, useAuth } from './src/context/AuthContext';
 import { colors } from './src/theme/colors';
 
+if (typeof globalThis !== 'undefined' && !globalThis.Buffer) {
+  globalThis.Buffer = Buffer;
+}
+
 /**
  * Loading screen shown while restoring auth state
  */

package-lock.json

@@ -14,6 +14,8 @@
         "@react-navigation/bottom-tabs": "^6.6.1",
         "@react-navigation/native": "^6.1.18",
         "@react-navigation/native-stack": "^6.11.0",
+        "bip39": "^3.1.0",
+        "buffer": "^6.0.3",
         "expo": "~52.0.0",
         "expo-asset": "~11.0.5",
         "expo-constants": "~17.0.8",
@@ -3180,6 +3182,18 @@
         "@jridgewell/sourcemap-codec": "^1.4.14"
       }
     },
+    "node_modules/@noble/hashes": {
+      "version": "1.8.0",
+      "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.8.0.tgz",
+      "integrity": "sha512-jCs9ldd7NwzpgXDIf6P3+NrHh9/sD6CQdxHyjQI+h/6rDNo88ypBxxz45UDuZHz9r3tNz7N/VInSVoVdtXEI4A==",
+      "license": "MIT",
+      "engines": {
+        "node": "^14.21.3 || >=16"
+      },
+      "funding": {
+        "url": "https://paulmillr.com/funding/"
+      }
+    },
     "node_modules/@nodelib/fs.scandir": {
       "version": "2.1.5",
       "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz",
@@ -4420,6 +4434,15 @@
         "node": ">=0.6"
       }
     },
+    "node_modules/bip39": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/bip39/-/bip39-3.1.0.tgz",
+      "integrity": "sha512-c9kiwdk45Do5GL0vJMe7tS95VjCii65mYAH7DfWl3uW8AVzXKQVUm64i3hzVybBDMp9r7j9iNxR85+ul8MdN/A==",
+      "license": "ISC",
+      "dependencies": {
+        "@noble/hashes": "^1.2.0"
+      }
+    },
     "node_modules/bplist-creator": {
       "version": "0.0.7",
       "resolved": "https://registry.npmjs.org/bplist-creator/-/bplist-creator-0.0.7.tgz",
@@ -4507,9 +4530,9 @@
       }
     },
     "node_modules/buffer": {
-      "version": "5.7.1",
+      "version": "6.0.3",
-      "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.7.1.tgz",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-6.0.3.tgz",
-      "integrity": "sha512-EHcyIPBQ4BSGlvjB16k5KgAJ27CIsHY/2JBmCRReo48y9rQ3MaUzWX3KVlBa4U7MyX02HdVj0K7C3WaB3ju7FQ==",
+      "integrity": "sha512-FTiCpNxtwiZZHEZbcbTIcZjERVICn9yq/pDFkTl95/AxzD1naBctN7YO68riM/gLSDY7sdrMby8hofADYuuqOA==",
       "funding": [
         {
           "type": "github",
@@ -4527,7 +4550,7 @@
       "license": "MIT",
       "dependencies": {
         "base64-js": "^1.3.1",
-        "ieee754": "^1.1.13"
+        "ieee754": "^1.2.1"
       }
     },
     "node_modules/buffer-alloc": {
@@ -11035,6 +11058,30 @@
         "node": ">=10"
       }
     },
+    "node_modules/whatwg-url-without-unicode/node_modules/buffer": {
+      "version": "5.7.1",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.7.1.tgz",
+      "integrity": "sha512-EHcyIPBQ4BSGlvjB16k5KgAJ27CIsHY/2JBmCRReo48y9rQ3MaUzWX3KVlBa4U7MyX02HdVj0K7C3WaB3ju7FQ==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ],
+      "license": "MIT",
+      "dependencies": {
+        "base64-js": "^1.3.1",
+        "ieee754": "^1.1.13"
+      }
+    },
     "node_modules/whatwg-url-without-unicode/node_modules/webidl-conversions": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-5.0.0.tgz",

package.json

@@ -15,6 +15,8 @@
     "@react-navigation/bottom-tabs": "^6.6.1",
     "@react-navigation/native": "^6.1.18",
     "@react-navigation/native-stack": "^6.11.0",
+    "bip39": "^3.1.0",
+    "buffer": "^6.0.3",
     "expo": "~52.0.0",
     "expo-asset": "~11.0.5",
     "expo-constants": "~17.0.8",

src/config/index.ts

@@ -112,6 +112,7 @@ export const MOCK_CONFIG = {
   USER: {
     id: 999,
     username: 'MockCaptain',
+    email: 'captain@sentinel.local',
     public_key: 'mock_public_key',
     is_admin: true,
     guale: false,

src/screens/SentinelScreen.tsx

@@ -1,4 +1,4 @@
-import React, { useState, useEffect, useRef } from 'react';
+import React, { useState, useEffect } from 'react';
 import {
   View,
   Text,
@@ -8,47 +8,13 @@ import {
   SafeAreaView,
   Animated,
   Modal,
-  TextInput,
-  KeyboardAvoidingView,
-  Platform,
-  Share,
-  Alert,
-  Linking,
 } from 'react-native';
 import { LinearGradient } from 'expo-linear-gradient';
 import { Ionicons, Feather, MaterialCommunityIcons, FontAwesome5 } from '@expo/vector-icons';
-import { captureRef } from 'react-native-view-shot';
-import AsyncStorage from '@react-native-async-storage/async-storage';
 import { colors, typography, spacing, borderRadius, shadows } from '../theme/colors';
 import { SystemStatus, KillSwitchLog } from '../types';
 import VaultScreen from './VaultScreen';
 
-const MNEMONIC_WORDS = [
-  'anchor', 'harbor', 'compass', 'lighthouse', 'current', 'ocean', 'tide', 'voyage',
-  'keel', 'stern', 'bow', 'mast', 'sail', 'port', 'starboard', 'reef',
-  'signal', 'beacon', 'chart', 'helm', 'gale', 'calm', 'cove', 'isle',
-  'horizon', 'sextant', 'sound', 'drift', 'wake', 'mariner', 'pilot', 'fathom',
-  'buoy', 'lantern', 'harpoon', 'lagoon', 'bay', 'strait', 'riptide', 'foam',
-  'coral', 'pearl', 'trident', 'ebb', 'flow', 'vault', 'cipher', 'shroud',
-  'salt', 'wave', 'grotto', 'lagoon', 'storm', 'north', 'south', 'east',
-  'west', 'ember', 'cabin', 'signal', 'ledger', 'torch', 'sanctum', 'oath',
-];
-
-const generateMnemonic = (wordCount = 12) => {
-  const words: string[] = [];
-  for (let i = 0; i < wordCount; i += 1) {
-    const index = Math.floor(Math.random() * MNEMONIC_WORDS.length);
-    words.push(MNEMONIC_WORDS[index]);
-  }
-  return words;
-};
-
-const splitMnemonic = (words: string[]) => [
-  words.slice(0, 4),
-  words.slice(4, 8),
-  words.slice(8, 12),
-];
-
 // Status configuration with nautical theme
 const statusConfig: Record<SystemStatus, { 
   color: string; 
@@ -113,13 +79,6 @@ export default function SentinelScreen() {
   const [glowAnim] = useState(new Animated.Value(0.5));
   const [rotateAnim] = useState(new Animated.Value(0));
   const [showVault, setShowVault] = useState(false);
-  const [showMnemonic, setShowMnemonic] = useState(false);
-  const [mnemonicWords, setMnemonicWords] = useState<string[]>([]);
-  const [mnemonicParts, setMnemonicParts] = useState<string[][]>([]);
-  const [showEmailForm, setShowEmailForm] = useState(false);
-  const [emailAddress, setEmailAddress] = useState('');
-  const [isCapturing, setIsCapturing] = useState(false);
-  const mnemonicRef = useRef<View>(null);
 
   useEffect(() => {
     // Pulse animation
@@ -164,65 +123,8 @@ export default function SentinelScreen() {
     ).start();
   }, []);
 
-  const openVaultWithMnemonic = () => {
+  const openVault = () => {
-    const words = generateMnemonic();
-    const parts = splitMnemonic(words);
-    setMnemonicWords(words);
-    setMnemonicParts(parts);
-    setShowMnemonic(true);
-    setShowVault(false);
-    setShowEmailForm(false);
-    setEmailAddress('');
-    AsyncStorage.setItem('sentinel_mnemonic_part_local', parts[0].join(' ')).catch(() => {
-      // Best-effort local store; UI remains available
-    });
-  };
-
-  const handleScreenshot = async () => {
-    try {
-      setIsCapturing(true);
-      const uri = await captureRef(mnemonicRef, {
-        format: 'png',
-        quality: 1,
-        result: 'tmpfile',
-      });
-      await Share.share({
-        url: uri,
-        message: 'Sentinel key backup',
-      });
-      setShowMnemonic(false);
     setShowVault(true);
-    } catch (error) {
-      Alert.alert('Screenshot failed', 'Please try again or use email backup.');
-    } finally {
-      setIsCapturing(false);
-    }
-  };
-
-  const handleEmailBackup = () => {
-    setShowEmailForm(true);
-  };
-
-  const handleSendEmail = async () => {
-    const trimmed = emailAddress.trim();
-    if (!trimmed || !/^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(trimmed)) {
-      Alert.alert('Invalid email', 'Please enter a valid email address.');
-      return;
-    }
-
-    const subject = encodeURIComponent('Sentinel Vault Recovery Key');
-    const body = encodeURIComponent(`Your 12-word mnemonic:\n${mnemonicWords.join(' ')}`);
-    const mailtoUrl = `mailto:${trimmed}?subject=${subject}&body=${body}`;
-
-    try {
-      await Linking.openURL(mailtoUrl);
-      setShowMnemonic(false);
-      setShowEmailForm(false);
-      setEmailAddress('');
-      setShowVault(true);
-    } catch (error) {
-      Alert.alert('Email failed', 'Unable to open email client.');
-    }
   };
 
   const handleHeartbeat = () => {
@@ -388,7 +290,7 @@ export default function SentinelScreen() {
               </View>
               <TouchableOpacity
                 style={styles.vaultAccessButton}
-                onPress={openVaultWithMnemonic}
+                onPress={openVault}
                 activeOpacity={0.8}
               >
                 <Text style={styles.vaultAccessButtonText}>Open</Text>
@@ -446,7 +348,7 @@ export default function SentinelScreen() {
         onRequestClose={() => setShowVault(false)}
       >
         <View style={styles.vaultModalContainer}>
-          <VaultScreen />
+          {showVault ? <VaultScreen /> : null}
           <TouchableOpacity
             style={styles.vaultCloseButton}
             onPress={() => setShowVault(false)}
@@ -457,99 +359,6 @@ export default function SentinelScreen() {
         </View>
       </Modal>
 
-      {/* Mnemonic Modal */}
-      <Modal
-        visible={showMnemonic}
-        animationType="fade"
-        transparent
-        onRequestClose={() => setShowMnemonic(false)}
-      >
-        <KeyboardAvoidingView
-          style={styles.mnemonicOverlay}
-          behavior={Platform.OS === 'ios' ? 'padding' : undefined}
-        >
-          <LinearGradient
-            colors={[colors.sentinel.cardBackground, colors.sentinel.backgroundGradientEnd]}
-            style={styles.mnemonicCard}
-            ref={mnemonicRef}
-          >
-            <TouchableOpacity
-              style={styles.mnemonicClose}
-              onPress={() => setShowMnemonic(false)}
-              activeOpacity={0.85}
-            >
-              <Ionicons name="close" size={18} color={colors.sentinel.textSecondary} />
-            </TouchableOpacity>
-            <View style={styles.mnemonicHeader}>
-              <MaterialCommunityIcons name="key-variant" size={22} color={colors.sentinel.primary} />
-              <Text style={styles.mnemonicTitle}>12-Word Mnemonic</Text>
-            </View>
-            <Text style={styles.mnemonicSubtitle}>
-              Your mnemonic is split into 3 parts (4/4/4). Part 1 is stored locally.
-            </Text>
-            <View style={styles.mnemonicBlock}>
-              <Text style={styles.mnemonicBlockText}>
-                {mnemonicWords.join(' ')}
-              </Text>
-            </View>
-            <View style={styles.partGrid}>
-              <View style={[styles.partCard, styles.partCardStored]}>
-                <Text style={styles.partLabel}>PART 1 • LOCAL</Text>
-                <Text style={styles.partValue}>{mnemonicParts[0]?.join(' ')}</Text>
-                <Text style={styles.partHint}>Stored on this device</Text>
-              </View>
-              <View style={styles.partCard}>
-                <Text style={styles.partLabel}>PART 2 • CLOUD NODE</Text>
-                <Text style={styles.partValue}>{mnemonicParts[1]?.join(' ')}</Text>
-                <Text style={styles.partHint}>To be synced</Text>
-              </View>
-              <View style={styles.partCard}>
-                <Text style={styles.partLabel}>PART 3 • HEIR</Text>
-                <Text style={styles.partValue}>{mnemonicParts[2]?.join(' ')}</Text>
-                <Text style={styles.partHint}>To be assigned</Text>
-              </View>
-            </View>
-            <TouchableOpacity
-              style={[styles.mnemonicPrimaryButton, isCapturing && styles.mnemonicButtonDisabled]}
-              onPress={handleScreenshot}
-              activeOpacity={0.85}
-              disabled={isCapturing}
-            >
-              <Text style={styles.mnemonicPrimaryText}>
-                {isCapturing ? 'CAPTURING...' : 'PHYSICAL BACKUP (SCREENSHOT)'}
-              </Text>
-            </TouchableOpacity>
-            <TouchableOpacity
-              style={styles.mnemonicSecondaryButton}
-              onPress={handleEmailBackup}
-              activeOpacity={0.85}
-            >
-              <Text style={styles.mnemonicSecondaryText}>EMAIL BACKUP</Text>
-            </TouchableOpacity>
-            {showEmailForm ? (
-              <View style={styles.emailForm}>
-                <TextInput
-                  style={styles.emailInput}
-                  value={emailAddress}
-                  onChangeText={setEmailAddress}
-                  placeholder="you@email.com"
-                  placeholderTextColor={colors.sentinel.textSecondary}
-                  keyboardType="email-address"
-                  autoCapitalize="none"
-                  autoCorrect={false}
-                />
-                <TouchableOpacity
-                  style={styles.emailSendButton}
-                  onPress={handleSendEmail}
-                  activeOpacity={0.85}
-                >
-                  <Text style={styles.emailSendText}>SEND EMAIL</Text>
-                </TouchableOpacity>
-              </View>
-            ) : null}
-          </LinearGradient>
-        </KeyboardAvoidingView>
-      </Modal>
     </View>
   );
 }
@@ -810,148 +619,4 @@ const styles = StyleSheet.create({
     alignItems: 'center',
     justifyContent: 'center',
   },
-  mnemonicOverlay: {
-    flex: 1,
-    backgroundColor: 'rgba(11, 20, 24, 0.72)',
-    justifyContent: 'center',
-    padding: spacing.lg,
-  },
-  mnemonicCard: {
-    borderRadius: borderRadius.xl,
-    padding: spacing.lg,
-    borderWidth: 1,
-    borderColor: colors.sentinel.cardBorder,
-    ...shadows.glow,
-  },
-  mnemonicHeader: {
-    flexDirection: 'row',
-    alignItems: 'center',
-    gap: spacing.sm,
-    marginBottom: spacing.sm,
-  },
-  mnemonicClose: {
-    position: 'absolute',
-    top: spacing.sm,
-    right: spacing.sm,
-    width: 32,
-    height: 32,
-    borderRadius: 16,
-    alignItems: 'center',
-    justifyContent: 'center',
-    backgroundColor: 'rgba(26, 58, 74, 0.35)',
-  },
-  mnemonicTitle: {
-    fontSize: typography.fontSize.lg,
-    fontWeight: '700',
-    color: colors.sentinel.text,
-    letterSpacing: typography.letterSpacing.wide,
-  },
-  mnemonicSubtitle: {
-    fontSize: typography.fontSize.sm,
-    color: colors.sentinel.textSecondary,
-    marginBottom: spacing.md,
-  },
-  mnemonicBlock: {
-    backgroundColor: colors.sentinel.cardBackground,
-    borderRadius: borderRadius.lg,
-    paddingVertical: spacing.md,
-    paddingHorizontal: spacing.md,
-    borderWidth: 1,
-    borderColor: colors.sentinel.cardBorder,
-    marginBottom: spacing.lg,
-  },
-  partGrid: {
-    gap: spacing.sm,
-    marginBottom: spacing.lg,
-  },
-  partCard: {
-    backgroundColor: colors.sentinel.cardBackground,
-    borderRadius: borderRadius.lg,
-    paddingVertical: spacing.sm,
-    paddingHorizontal: spacing.md,
-    borderWidth: 1,
-    borderColor: colors.sentinel.cardBorder,
-  },
-  partCardStored: {
-    borderColor: colors.sentinel.primary,
-  },
-  partLabel: {
-    fontSize: typography.fontSize.xs,
-    color: colors.sentinel.textSecondary,
-    letterSpacing: typography.letterSpacing.wide,
-    marginBottom: 4,
-    fontWeight: '600',
-  },
-  partValue: {
-    fontSize: typography.fontSize.md,
-    color: colors.sentinel.text,
-    fontFamily: typography.fontFamily.mono,
-    fontWeight: '700',
-    marginBottom: 2,
-  },
-  partHint: {
-    fontSize: typography.fontSize.xs,
-    color: colors.sentinel.textSecondary,
-  },
-  mnemonicBlockText: {
-    fontSize: typography.fontSize.sm,
-    color: colors.sentinel.text,
-    fontFamily: typography.fontFamily.mono,
-    fontWeight: '600',
-    lineHeight: 22,
-    textAlign: 'center',
-  },
-  mnemonicPrimaryButton: {
-    backgroundColor: colors.sentinel.primary,
-    paddingVertical: spacing.sm,
-    borderRadius: borderRadius.full,
-    alignItems: 'center',
-    marginBottom: spacing.sm,
-  },
-  mnemonicButtonDisabled: {
-    opacity: 0.6,
-  },
-  mnemonicPrimaryText: {
-    color: colors.nautical.cream,
-    fontWeight: '700',
-    letterSpacing: typography.letterSpacing.wide,
-  },
-  mnemonicSecondaryButton: {
-    backgroundColor: 'transparent',
-    paddingVertical: spacing.sm,
-    borderRadius: borderRadius.full,
-    alignItems: 'center',
-    borderWidth: 1,
-    borderColor: colors.sentinel.cardBorder,
-  },
-  mnemonicSecondaryText: {
-    color: colors.sentinel.text,
-    fontWeight: '700',
-    letterSpacing: typography.letterSpacing.wide,
-  },
-  emailForm: {
-    marginTop: spacing.sm,
-  },
-  emailInput: {
-    height: 44,
-    borderRadius: borderRadius.full,
-    borderWidth: 1,
-    borderColor: colors.sentinel.cardBorder,
-    paddingHorizontal: spacing.md,
-    color: colors.sentinel.text,
-    fontSize: typography.fontSize.sm,
-    backgroundColor: 'rgba(255, 255, 255, 0.02)',
-    marginBottom: spacing.sm,
-  },
-  emailSendButton: {
-    backgroundColor: colors.nautical.teal,
-    paddingVertical: spacing.sm,
-    borderRadius: borderRadius.full,
-    alignItems: 'center',
-  },
-  emailSendText: {
-    color: colors.nautical.cream,
-    fontWeight: '700',
-    letterSpacing: typography.letterSpacing.wide,
-  },
 });

src/types/index.ts

@@ -77,6 +77,7 @@ export interface ProtocolInfo {
 export interface User {
   id: number;
   username: string;
+  email?: string;
   public_key: string;
   is_admin: boolean;
   guale: boolean;