feat: app overhaul — Briefing-first navigation, Library, capture queue
Plans 1-3 implemented: Plan 1 — Foundation - Add google_fonts ^6.2.1 - lib/core/theme.dart: slate-indigo ColorScheme (dark/light), Fraunces headings, GradientButton widget - lib/providers/capture_work_queue_provider.dart: in-memory sequential work queue; CaptureWorkQueueNotifier drains one item at a time; captureResultProvider feeds snackbars to UI - lib/app.dart: wire fabledDarkTheme/fabledLightTheme; replace blocking _QuickCaptureBar with queue-based implementation (progress bar, badge) Plan 2 — Navigation - 3-tab shell: Briefing · Library · Chat (was Notes · Tasks · Projects · Chat) - lib/screens/library/library_screen.dart: unified notes+tasks+projects list with filter pills, status sub-filter for tasks, live search, FAB - lib/widgets/library_item_card.dart: NoteLibraryCard, TaskLibraryCard (status cycle), ProjectLibraryCard - lib/screens/chat/conversations_tab_screen.dart: focused replacement for ConversationsListScreen - Delete 5 dead screens: notes_list, tasks_list, project_list, conversations_list, quick_capture Plan 3 — Briefing - lib/data/models/briefing_conversation.dart - lib/data/api/briefing_api.dart: getToday, getHistory, getMessages, triggerSlot - lib/providers/briefing_provider.dart: BriefingNotifier with sendReply (optimistic + SSE + poll, same pattern as MessagesNotifier) and refresh - lib/widgets/chat_message_bubble.dart: extracted + redesigned shared bubble (ghost user bubbles, left-accent assistant bubbles) - lib/widgets/briefing_digest_card.dart: expandable first-message card - lib/screens/briefing/briefing_screen.dart: digest card, conversation list, streaming reply bar, refresh button, history overflow menu - lib/screens/briefing/briefing_history_screen.dart: read-only past dates Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:go_router/go_router.dart';
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import '../../core/constants.dart';
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import '../../providers/chat_provider.dart';
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class ConversationsTabScreen extends ConsumerWidget {
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const ConversationsTabScreen({super.key});
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final theme = Theme.of(context);
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final convsAsync = ref.watch(conversationsProvider);
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return Scaffold(
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appBar: AppBar(
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title: Text('Chat', style: theme.textTheme.titleLarge),
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actions: [
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IconButton(
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icon: const Icon(Icons.add),
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tooltip: 'New conversation',
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onPressed: () async {
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final conv = await ref
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.read(conversationsProvider.notifier)
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.create('New conversation');
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if (context.mounted) {
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context.push(Routes.chat.replaceFirst(':id', '${conv.id}'));
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}
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},
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),
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],
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),
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body: convsAsync.when(
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loading: () => const Center(child: CircularProgressIndicator()),
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error: (e, _) => Center(child: Text('Error: $e')),
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data: (convs) {
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if (convs.isEmpty) {
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return Center(
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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Icon(Icons.chat_bubble_outline,
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size: 48, color: theme.colorScheme.onSurfaceVariant),
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const SizedBox(height: 16),
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Text('No conversations yet',
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style: theme.textTheme.titleMedium),
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const SizedBox(height: 8),
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FilledButton.icon(
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icon: const Icon(Icons.add),
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label: const Text('Start a conversation'),
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onPressed: () async {
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final conv = await ref
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.read(conversationsProvider.notifier)
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.create('New conversation');
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if (context.mounted) {
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context.push(
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Routes.chat.replaceFirst(':id', '${conv.id}'));
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}
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},
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),
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],
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),
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);
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}
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return RefreshIndicator(
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onRefresh: () async => ref.invalidate(conversationsProvider),
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child: ListView.builder(
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itemCount: convs.length,
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itemBuilder: (ctx, i) {
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final c = convs[i];
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return ListTile(
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leading: const Icon(Icons.chat_bubble_outline),
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title: Text(c.title,
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maxLines: 1, overflow: TextOverflow.ellipsis),
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subtitle: Text(
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_relativeTime(c.updatedAt),
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style: theme.textTheme.labelSmall,
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),
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trailing: IconButton(
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icon: const Icon(Icons.delete_outline),
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onPressed: () =>
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_confirmDelete(context, ref, c.id, c.title),
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),
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onTap: () =>
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ctx.push(Routes.chat.replaceFirst(':id', '${c.id}')),
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);
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},
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),
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);
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},
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),
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);
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}
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Future<void> _confirmDelete(
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BuildContext context, WidgetRef ref, int id, String title) async {
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final ok = await showDialog<bool>(
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context: context,
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builder: (_) => AlertDialog(
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title: const Text('Delete conversation?'),
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content: Text('"$title" will be permanently deleted.'),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(context, false),
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child: const Text('Cancel')),
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FilledButton(
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onPressed: () => Navigator.pop(context, true),
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child: const Text('Delete')),
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],
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),
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);
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if (ok == true) {
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await ref.read(conversationsProvider.notifier).delete(id);
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}
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}
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}
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String _relativeTime(DateTime dt) {
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final diff = DateTime.now().difference(dt);
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if (diff.inMinutes < 1) return 'just now';
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if (diff.inHours < 1) return '${diff.inMinutes}m ago';
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if (diff.inDays < 1) return '${diff.inHours}h ago';
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if (diff.inDays < 7) return '${diff.inDays}d ago';
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return '${dt.day}/${dt.month}/${dt.year}';
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}
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