feat(app): add evaluation history, bot control panel, simulation visualizer, and vendored signalr_core
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import 'package:flutter/material.dart';
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import 'package:flutter_bloc/flutter_bloc.dart';
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import '../../../core/network/api_client.dart';
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import '../../../core/network/signalr_service.dart';
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import '../../../core/theme/app_theme.dart';
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import '../bloc/bot_bloc.dart';
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import '../bloc/bot_event.dart';
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import '../bloc/bot_state.dart';
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import '../repositories/bot_repository.dart';
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import '../widgets/bot_kpi_header.dart';
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import '../widgets/bot_position_card.dart';
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import '../widgets/bot_settings_sheet.dart';
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class BotControlPanelScreen extends StatelessWidget {
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final ApiClient apiClient;
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final SignalRService signalRService;
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const BotControlPanelScreen({
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super.key,
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required this.apiClient,
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required this.signalRService,
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});
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@override
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Widget build(BuildContext context) {
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return BlocProvider(
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create: (context) => BotBloc(
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repository: BotRepository(apiClient: apiClient),
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signalRService: signalRService,
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)..add(const FetchBotDashboard()),
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child: const _BotControlPanelContent(),
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);
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}
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}
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class _BotControlPanelContent extends StatelessWidget {
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const _BotControlPanelContent();
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void _openSettings(BuildContext context, BotLoaded state) {
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final botBloc = context.read<BotBloc>();
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showModalBottomSheet(
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context: context,
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isScrollControlled: true,
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backgroundColor: Colors.transparent,
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builder: (ctx) => BotSettingsSheet(
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currentStatus: state.status,
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onSave: (autoExec, maxPos, risk, minScore) {
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botBloc.add(UpdateBotConfigSettings(
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autoExecutionEnabled: autoExec,
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maxPositions: maxPos,
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riskPerTradePercent: risk,
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minCompositeScore: minScore,
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));
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},
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onPanicClose: () {
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botBloc.add(const TriggerBotPanicClose());
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},
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),
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);
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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backgroundColor: AppTheme.darkBackground,
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appBar: AppBar(
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backgroundColor: Colors.transparent,
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elevation: 0,
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title: const Text('FinlyticBot Control Panel', style: TextStyle(fontWeight: FontWeight.bold, fontSize: 18)),
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actions: [
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BlocBuilder<BotBloc, BotState>(
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builder: (context, state) {
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if (state is BotLoaded) {
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return IconButton(
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onPressed: () => _openSettings(context, state),
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icon: const Icon(Icons.settings, color: Colors.white70),
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tooltip: 'Bot Einstellungen & Kill-Switch',
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);
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}
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return const SizedBox.shrink();
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},
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),
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IconButton(
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onPressed: () => context.read<BotBloc>().add(const FetchBotDashboard()),
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icon: const Icon(Icons.refresh, color: Colors.white70),
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tooltip: 'Neu laden',
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),
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],
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),
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body: BlocConsumer<BotBloc, BotState>(
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listener: (context, state) {
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if (state is BotLoaded && state.actionMessage != null) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(state.actionMessage!),
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// A failed or partially-successful action (e.g. a panic-close that could not confirm every
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// position was closed) must never be shown in the same "all good" green as a full success
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// (Rules.md §4).
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backgroundColor: state.actionIsWarning ? AppTheme.accentRed : AppTheme.primaryEmerald,
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behavior: SnackBarBehavior.floating,
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),
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);
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}
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},
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builder: (context, state) {
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if (state is BotLoading) {
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return Center(child: CircularProgressIndicator(color: AppTheme.primaryEmerald));
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}
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if (state is BotError) {
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(Icons.error_outline, size: 48, color: AppTheme.accentRed),
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const SizedBox(height: 12),
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Text(state.message, style: TextStyle(color: AppTheme.textMuted)),
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const SizedBox(height: 16),
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ElevatedButton(
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onPressed: () => context.read<BotBloc>().add(const FetchBotDashboard()),
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style: ElevatedButton.styleFrom(backgroundColor: AppTheme.primaryEmerald),
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child: const Text('Erneut Versuchen'),
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),
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],
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),
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);
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}
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if (state is BotLoaded) {
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final activePositions = state.positions.where((p) => p.isActive).toList();
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final closedPositions = state.positions.where((p) => p.isClosed).toList();
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return RefreshIndicator(
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onRefresh: () async {
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context.read<BotBloc>().add(const FetchBotDashboard());
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},
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color: AppTheme.primaryEmerald,
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backgroundColor: AppTheme.cardSurface,
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child: CustomScrollView(
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slivers: [
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SliverPadding(
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
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sliver: SliverList(
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delegate: SliverChildListDelegate([
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BotKpiHeader(
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summary: state.summary,
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status: state.status,
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totalUnrealizedPnL: state.totalUnrealizedPnL,
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totalRealizedPnL: state.totalRealizedPnL,
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),
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const SizedBox(height: 20),
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_buildAlphaDecayMonitor(state),
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const SizedBox(height: 24),
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text(
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'Aktive Positionen (${activePositions.length}/${state.status.maxPositions})',
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style: const TextStyle(fontWeight: FontWeight.bold, fontSize: 16, color: Colors.white),
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),
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Container(
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padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 2),
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(10),
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color: AppTheme.primaryEmerald.withValues(alpha: 0.15),
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),
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child: Text(
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'Risk: ${(activePositions.length * state.status.riskPerTradePercent).toStringAsFixed(1)}%',
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style: TextStyle(color: AppTheme.primaryEmerald, fontSize: 11, fontWeight: FontWeight.bold),
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),
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),
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],
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),
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const SizedBox(height: 12),
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]),
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),
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),
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if (activePositions.isEmpty)
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SliverPadding(
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padding: const EdgeInsets.symmetric(horizontal: 16),
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sliver: SliverToBoxAdapter(
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child: Container(
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padding: const EdgeInsets.all(32),
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(16),
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color: AppTheme.cardSurface.withValues(alpha: 0.5),
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border: Border.all(color: Colors.white10),
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),
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child: Column(
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children: [
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Icon(Icons.radar, size: 48, color: AppTheme.textMuted),
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const SizedBox(height: 12),
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const Text(
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'Keine aktiven Positionen',
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style: TextStyle(color: Colors.white, fontWeight: FontWeight.bold, fontSize: 16),
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),
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const SizedBox(height: 4),
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Text(
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'Der Bot scannt das Universum nach Setup-Konfluenzen ab Score ≥ ${state.status.minCompositeScore}.',
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textAlign: TextAlign.center,
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style: TextStyle(color: AppTheme.textMuted, fontSize: 12),
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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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else
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SliverPadding(
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padding: const EdgeInsets.symmetric(horizontal: 16),
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sliver: SliverList.builder(
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itemCount: activePositions.length,
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itemBuilder: (context, index) {
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final position = activePositions[index];
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return BotPositionCard(
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position: position,
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onClosePressed: () {
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// Manual emergency close of this specific position
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},
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);
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},
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),
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),
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if (closedPositions.isNotEmpty) ...[
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SliverPadding(
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 16),
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sliver: SliverToBoxAdapter(
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child: const Text(
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'Kürzlich Geschlossene Trades',
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style: TextStyle(fontWeight: FontWeight.bold, fontSize: 14, color: Colors.white70),
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),
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),
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),
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SliverPadding(
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padding: const EdgeInsets.symmetric(horizontal: 16),
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sliver: SliverList.builder(
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itemCount: closedPositions.length > 5 ? 5 : closedPositions.length,
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itemBuilder: (context, index) {
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final position = closedPositions[index];
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return Opacity(
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opacity: 0.7,
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child: BotPositionCard(position: position),
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);
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},
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),
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),
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],
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const SliverToBoxAdapter(child: SizedBox(height: 32)),
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],
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),
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);
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}
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return const SizedBox.shrink();
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},
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),
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);
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}
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// NOTE: This used to be an "Alpha-Decay & Strategy Reliability Monitor"
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// comparing hardcoded fake "Live vs Simulation" win rates / profit factors
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// per strategy (Rules.md §4 violation). There is no real data source for
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// that comparison: `GET /api/v1/simulation/matrix/{isin}`
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// (`StrategyAssetReliabilityDto`) only provides a simulated reliability
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// score per (ISIN, StrategyKey) pair — it has no "live" counterpart, and
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// this screen isn't scoped to a single asset, so there's no ISIN to query
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// it with in the first place. Rather than inventing numbers, or bolting on
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// an asset picker that isn't part of this task, this is now an explicit
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// empty state until a real live-vs-simulation data source exists.
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Widget _buildAlphaDecayMonitor(BotLoaded state) {
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return Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(16),
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color: AppTheme.cardSurface,
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border: Border.all(color: Colors.white10),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const Row(
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children: [
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Icon(Icons.analytics_outlined, size: 16, color: Colors.cyanAccent),
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SizedBox(width: 6),
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Text('Alpha-Decay & Strategy Reliability Monitor', style: TextStyle(fontWeight: FontWeight.bold, fontSize: 13, color: Colors.white)),
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],
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),
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const SizedBox(height: 12),
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Row(
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children: [
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Icon(Icons.info_outline, size: 14, color: AppTheme.textMuted),
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const SizedBox(width: 8),
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Expanded(
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child: Text(
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'Keine Live-vs-Simulation-Daten verfügbar.',
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style: TextStyle(color: AppTheme.textMuted, fontSize: 12),
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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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}
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