Files
dchain/client-app/app/_layout.tsx
vsecoder 5b64ef2560 feat(client): Twitter-style social feed UI (Phase C of v2.0.0)
Ships the client side of the v2.0.0 feed feature. Folds client-app/
into the monorepo (was previously .gitignored as "tracked separately"
but no separate repo ever existed — for v2.0.0 the client is
first-class).

Feed screens

  app/(app)/feed.tsx — Feed tab
    - Three-way tab strip: Подписки / Для вас / В тренде backed by
      /feed/timeline, /feed/foryou, /feed/trending respectively
    - Default landing tab is "Для вас" — surfaces discovery without
      requiring the user to follow anyone first
    - FlatList with pull-to-refresh + viewability-driven view counter
      bump (posts visible ≥ 60% for ≥ 1s trigger POST /feed/post/…/view)
    - Floating blue compose button → /compose
    - Per-post liked_by_me fetched in batches of 6 after list load

  app/(app)/compose.tsx — post composer modal
    - Fullscreen, Twitter-like header (✕ left, Опубликовать right)
    - Auto-focused multiline TextInput, 4000 char cap
    - Hashtag preview chips that auto-update as you type
    - expo-image-picker + expo-image-manipulator pipeline: resize to
      1080px max-dim, JPEG Q=50 (client-side first-pass compression
      before the mandatory server-side scrub)
    - Live fee estimate + balance guard with a confirmation modal
      ("Опубликовать пост? Цена: 0.00X T · Размер: N KB")
    - Exif: false passed to ImagePicker as an extra privacy layer

  app/(app)/feed/[id].tsx — post detail
    - Full PostCard rendering + detailed info panel (views, likes,
      size, fee, hosting relay, hashtags as tappable chips)
    - Triggers bumpView on mount
    - 410 (on-chain soft-delete) routes back to the feed

  app/(app)/feed/tag/[tag].tsx — hashtag feed

  app/(app)/profile/[address].tsx — rebuilt
    - Twitter-ish profile: avatar, name, address short-form, post count
    - Posts | Инфо tab strip
    - Follow / Unfollow button for non-self profiles (optimistic UI)
    - Edit button on self profile → settings
    - Secondary actions (chat, copy address) when viewing a known contact

Supporting library

  lib/feed.ts — HTTP wrappers + tx builders for every /feed/* endpoint:
    - publishPost (POST /feed/publish, signed)
    - publishAndCommit (publish → on-chain CREATE_POST)
    - fetchPost / fetchStats / bumpView
    - fetchAuthorPosts / fetchTimeline / fetchForYou / fetchTrending /
      fetchHashtag
    - buildCreatePostTx / buildDeletePostTx
    - buildFollowTx / buildUnfollowTx
    - buildLikePostTx / buildUnlikePostTx
    - likePost / unlikePost / followUser / unfollowUser / deletePost
      (high-level helpers that bundle build + submitTx)
    - formatFee, formatRelativeTime, formatCount — Twitter-like display
      helpers

  components/feed/PostCard.tsx — core card component
    - Memoised for performance (N-row re-render on every like elsewhere
      would cost a lot otherwise)
    - Optimistic like toggle with heart-bounce spring animation
    - Hashtag highlighting in body text (tappable → hashtag feed)
    - Long-press context menu (Delete, owner-only)
    - Views / likes / share-link / reply icons in footer row

Navigation cleanup

  - NavBar: removed the SOON pill on the Feed tab (it's shipped now)
  - (app)/_layout: hide NavBar on /compose and /feed/* sub-routes
  - AnimatedSlot: treat /feed/<id>, /feed/tag/<t>, /compose as
    sub-routes so back-swipe-right closes them

Channel removal (client side)

  - lib/types.ts: ContactKind stripped to 'direct' | 'group'; legacy
    'channel' flag removed. `kind` field kept for backward compat with
    existing AsyncStorage records.
  - lib/devSeed.ts: dropped the 5 channel seed contacts.
  - components/ChatTile.tsx: removed channel kindIcon branch.

Dependencies

  - expo-image-manipulator added for client-side image compression.
  - expo-file-system/legacy used for readAsStringAsync (SDK 54 moved
    that API to the legacy sub-path; the new streaming API isn't yet
    stable).

Type check

  - npx tsc --noEmit — clean, 0 errors.

Next (not in this commit)

  - Direct attachment-bytes endpoint on the server so post-detail can
    actually render the image (currently shows placeholder with URL)
  - Cross-relay body fetch via /api/relays + hosting_relay pubkey
  - Mentions (@username) with notifications
  - Full-text search

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-04-18 19:43:55 +03:00

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import '../global.css';
import React, { useEffect } from 'react';
import { Stack } from 'expo-router';
import { StatusBar } from 'expo-status-bar';
import { View } from 'react-native';
import { SafeAreaProvider } from 'react-native-safe-area-context';
// GestureHandlerRootView обязателен для работы gesture-handler'а
// на всех страницах: Pan/LongPress/Tap жестах внутри чатов.
import { GestureHandlerRootView } from 'react-native-gesture-handler';
import { loadKeyFile, loadSettings } from '@/lib/storage';
import { setNodeUrl } from '@/lib/api';
import { useStore } from '@/lib/store';
export default function RootLayout() {
const setKeyFile = useStore(s => s.setKeyFile);
const setSettings = useStore(s => s.setSettings);
const booted = useStore(s => s.booted);
const setBooted = useStore(s => s.setBooted);
// Bootstrap: load key + settings from storage синхронно до первого
// render'а экранов. Пока `booted=false` мы рендерим чёрный экран —
// это убирает "мелькание" welcome'а при старте, когда ключи уже есть
// в AsyncStorage, но ещё не успели загрузиться в store.
useEffect(() => {
(async () => {
try {
const [kf, settings] = await Promise.all([loadKeyFile(), loadSettings()]);
if (kf) setKeyFile(kf);
setSettings(settings);
setNodeUrl(settings.nodeUrl);
} finally {
setBooted(true);
}
})();
}, []);
return (
<GestureHandlerRootView style={{ flex: 1 }}>
<SafeAreaProvider>
<View className="flex-1 bg-background">
<StatusBar style="light" />
{booted ? (
<Stack
screenOptions={{
headerShown: false,
contentStyle: { backgroundColor: '#000000' },
animation: 'slide_from_right',
}}
/>
) : (
// Пустой чёрный экран пока bootstrap идёт — без flicker'а.
<View style={{ flex: 1, backgroundColor: '#000000' }} />
)}
</View>
</SafeAreaProvider>
</GestureHandlerRootView>
);
}