simplify mobile demo app screens

packages/mobile-sdk-demo/src/components/LogsPanel.tsx

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+// SPDX-FileCopyrightText: 2025 Social Connect Labs, Inc.
+// SPDX-License-Identifier: BUSL-1.1
+// NOTE: Converts to Apache-2.0 on 2029-06-11 per LICENSE.
+
+import React from 'react';
+import { ScrollView, StyleSheet, Text, TouchableOpacity, View } from 'react-native';
+
+type Props = {
+  logs: string[];
+  show: boolean;
+  onToggle: () => void;
+};
+
+export default function LogsPanel({ logs, show, onToggle }: Props) {
+  if (logs.length === 0) return null;
+  return (
+    <View style={styles.container}>
+      <TouchableOpacity onPress={onToggle} style={styles.toggle}>
+        <Text style={styles.toggleText}>{show ? `▼ Hide Logs (${logs.length})` : `▶ Show Logs (${logs.length})`}</Text>
+      </TouchableOpacity>
+      {show && (
+        <ScrollView style={styles.logs} nestedScrollEnabled>
+          {logs.map((log, idx) => (
+            <Text key={idx} style={styles.entry}>
+              {log}
+            </Text>
+          ))}
+        </ScrollView>
+      )}
+    </View>
+  );
+}
+
+const styles = StyleSheet.create({
+  container: {
+    marginTop: 8,
+  },
+  toggle: {
+    padding: 8,
+    backgroundColor: '#fff',
+    borderRadius: 4,
+    borderWidth: 1,
+    borderColor: '#ffc107',
+  },
+  toggleText: {
+    fontSize: 12,
+    color: '#856404',
+    textAlign: 'center',
+    fontWeight: '600',
+  },
+  logs: {
+    marginTop: 8,
+    maxHeight: 200,
+    backgroundColor: '#fff',
+    borderRadius: 4,
+    borderWidth: 1,
+    borderColor: '#ffc107',
+    padding: 8,
+  },
+  entry: {
+    fontSize: 11,
+    fontFamily: 'monospace',
+    color: '#333',
+    marginBottom: 4,
+  },
+});

packages/mobile-sdk-demo/src/components/MenuButton.tsx

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+// SPDX-FileCopyrightText: 2025 Social Connect Labs, Inc.
+// SPDX-License-Identifier: BUSL-1.1
+// NOTE: Converts to Apache-2.0 on 2029-06-11 per LICENSE.
+
+import React from 'react';
+import { StyleSheet, Text, TouchableOpacity } from 'react-native';
+
+type Props = {
+  title: string;
+  subtitle?: string;
+  onPress: () => void;
+  isWorking?: boolean;
+  disabled?: boolean;
+};
+
+export default function MenuButton({ title, subtitle, onPress, isWorking = false, disabled = false }: Props) {
+  return (
+    <TouchableOpacity
+      style={[
+        styles.menuButton,
+        isWorking ? styles.workingButton : styles.placeholderButton,
+        disabled && styles.disabledButton,
+      ]}
+      onPress={onPress}
+      activeOpacity={0.7}
+      disabled={disabled}
+    >
+      <Text
+        style={[
+          styles.menuButtonText,
+          isWorking ? styles.workingButtonText : styles.placeholderButtonText,
+          disabled && styles.disabledButtonText,
+        ]}
+      >
+        {title}
+      </Text>
+      {subtitle ? (
+        <Text
+          style={[
+            styles.menuButtonSubtitle,
+            disabled
+              ? styles.disabledSubtitleText
+              : isWorking
+                ? styles.workingButtonSubtitle
+                : styles.placeholderButtonSubtitle,
+          ]}
+        >
+          {subtitle}
+        </Text>
+      ) : null}
+    </TouchableOpacity>
+  );
+}
+
+const styles = StyleSheet.create({
+  menuButton: {
+    width: '100%',
+    paddingVertical: 16,
+    paddingHorizontal: 24,
+    borderRadius: 16,
+    marginBottom: 16,
+    shadowColor: '#1f2328',
+    shadowOffset: {
+      width: 0,
+      height: 4,
+    },
+    shadowOpacity: 0.08,
+    shadowRadius: 12,
+    elevation: 4,
+  },
+  workingButton: {
+    backgroundColor: '#ffffff',
+    borderWidth: 1,
+    borderColor: '#d1d9e0',
+  },
+  placeholderButton: {
+    backgroundColor: '#ffffff',
+    borderWidth: 1,
+    borderColor: '#d1d9e0',
+  },
+  menuButtonText: {
+    fontSize: 17,
+    fontWeight: '600',
+    textAlign: 'center',
+    letterSpacing: -0.2,
+  },
+  menuButtonSubtitle: {
+    fontSize: 12,
+    marginTop: 6,
+    textAlign: 'center',
+    lineHeight: 18,
+    opacity: 0.9,
+  },
+  workingButtonText: {
+    color: '#0d1117',
+  },
+  placeholderButtonText: {
+    color: '#0d1117',
+  },
+  placeholderButtonSubtitle: {
+    color: '#656d76',
+  },
+  workingButtonSubtitle: {
+    color: '#656d76',
+  },
+  disabledButton: {
+    backgroundColor: '#f6f8fa',
+    borderColor: '#d1d9e0',
+    opacity: 0.7,
+  },
+  disabledButtonText: {
+    color: '#8b949e',
+  },
+  disabledSubtitleText: {
+    color: '#656d76',
+  },
+});

packages/mobile-sdk-demo/src/components/PlaceholderScreen.tsx

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+// SPDX-FileCopyrightText: 2025 Social Connect Labs, Inc.
+// SPDX-License-Identifier: BUSL-1.1
+// NOTE: Converts to Apache-2.0 on 2029-06-11 per LICENSE.
+
+import React from 'react';
+import { StyleSheet, Text, View } from 'react-native';
+
+import ScreenLayout from './ScreenLayout';
+
+type Props = {
+  title: string;
+  onBack: () => void;
+  description: string;
+  features: string[];
+};
+
+export default function PlaceholderScreen({ title, onBack, description, features }: Props) {
+  return (
+    <ScreenLayout title={title} onBack={onBack}>
+      <View style={styles.content}>
+        <Text style={styles.description}>{description}</Text>
+
+        <View style={styles.features}>
+          <Text style={styles.featureTitle}>Features (Not Implemented):</Text>
+          {features.map((f, idx) => (
+            <Text key={`${idx}-${f}`} style={styles.feature}>
+              • {f}
+            </Text>
+          ))}
+        </View>
+      </View>
+    </ScreenLayout>
+  );
+}
+
+const styles = StyleSheet.create({
+  content: {
+    flex: 1,
+    justifyContent: 'center',
+  },
+  description: {
+    fontSize: 16,
+    textAlign: 'center',
+    marginBottom: 24,
+    lineHeight: 24,
+  },
+  features: {
+    backgroundColor: '#f5f5f5',
+    padding: 16,
+    borderRadius: 8,
+    marginBottom: 24,
+  },
+  featureTitle: {
+    fontSize: 16,
+    fontWeight: 'bold',
+    marginBottom: 12,
+  },
+  feature: {
+    fontSize: 14,
+    marginBottom: 8,
+    color: '#333',
+  },
+});

packages/mobile-sdk-demo/src/components/ScreenLayout.tsx

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+// SPDX-FileCopyrightText: 2025 Social Connect Labs, Inc.
+// SPDX-License-Identifier: BUSL-1.1
+// NOTE: Converts to Apache-2.0 on 2029-06-11 per LICENSE.
+
+import React from 'react';
+import { StyleSheet, View, type ViewStyle } from 'react-native';
+
+import SafeAreaScrollView from './SafeAreaScrollView';
+import StandardHeader from './StandardHeader';
+
+type Props = {
+  title: string;
+  onBack: () => void;
+  children: React.ReactNode;
+  contentStyle?: ViewStyle;
+};
+
+export default function ScreenLayout({ title, onBack, children, contentStyle }: Props) {
+  return (
+    <SafeAreaScrollView contentContainerStyle={styles.container} backgroundColor="#fafbfc">
+      <StandardHeader title={title} onBack={onBack} />
+      <View style={[styles.content, contentStyle]}>{children}</View>
+    </SafeAreaScrollView>
+  );
+}
+
+const styles = StyleSheet.create({
+  container: {
+    flexGrow: 1,
+    backgroundColor: '#fafbfc',
+    paddingHorizontal: 24,
+    paddingVertical: 20,
+  },
+  content: {
+    flex: 1,
+  },
+});

packages/mobile-sdk-demo/src/hooks/useDocuments.ts

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+// SPDX-FileCopyrightText: 2025 Social Connect Labs, Inc.
+// SPDX-License-Identifier: BUSL-1.1
+// NOTE: Converts to Apache-2.0 on 2029-06-11 per LICENSE.
+
+import { useCallback, useEffect, useState } from 'react';
+
+import type { DocumentMetadata, IDDocument } from '@selfxyz/common/dist/esm/src/utils/types.js';
+import { getAllDocuments, useSelfClient } from '@selfxyz/mobile-sdk-alpha';
+
+import { updateAfterDelete } from '../lib/catalog';
+
+export type DocumentEntry = {
+  metadata: DocumentMetadata;
+  data: IDDocument;
+};
+
+export function useDocuments() {
+  const selfClient = useSelfClient();
+  const [documents, setDocuments] = useState<DocumentEntry[]>([]);
+  const [loading, setLoading] = useState(true);
+  const [error, setError] = useState<string | null>(null);
+  const [deleting, setDeleting] = useState<string | null>(null);
+
+  const refresh = useCallback(async () => {
+    setLoading(true);
+    setError(null);
+    try {
+      const all = await getAllDocuments(selfClient);
+      setDocuments(Object.values(all));
+    } catch (err) {
+      setDocuments([]);
+      setError(err instanceof Error ? err.message : String(err));
+    } finally {
+      setLoading(false);
+    }
+  }, [selfClient]);
+
+  useEffect(() => {
+    refresh();
+  }, [refresh]);
+
+  const deleteDocument = useCallback(
+    async (documentId: string) => {
+      setDeleting(documentId);
+      try {
+        await selfClient.deleteDocument(documentId);
+        const currentCatalog = await selfClient.loadDocumentCatalog();
+        const updatedCatalog = updateAfterDelete(currentCatalog, documentId);
+        await selfClient.saveDocumentCatalog(updatedCatalog);
+        await refresh();
+      } finally {
+        setDeleting(null);
+      }
+    },
+    [selfClient, refresh],
+  );
+
+  return { documents, loading, error, deleting, refresh, deleteDocument } as const;
+}