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 '../../../core/theme/app_theme.dart';
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import '../../../core/widgets/asset_logo_widget.dart';
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import '../../../core/widgets/glass_container.dart';
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import '../../trades/models/trade_model.dart';
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class ProposalDecisionScreen extends StatelessWidget {
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final TradeProposalModel proposal;
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final VoidCallback? onExecuteBot;
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final VoidCallback? onManualTrade;
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const ProposalDecisionScreen({
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super.key,
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required this.proposal,
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this.onExecuteBot,
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this.onManualTrade,
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});
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@override
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Widget build(BuildContext context) {
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final symbol = proposal.symbol.isNotEmpty ? proposal.symbol : 'ASSET';
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final isin = proposal.underlyingIsin;
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final isLong = proposal.isLong;
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final strategyKey = proposal.strategyKey.isNotEmpty ? proposal.strategyKey : 'Unbekannte Strategie';
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final score = proposal.compositeScore;
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final entryPrice = proposal.entryPrice;
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final invalidationPrice = proposal.invalidationPrice;
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final aiValidation = proposal.aiValidation;
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final hasAiThesisContent = aiValidation != null && aiValidation.hasContent;
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final isRuleBasedApproval = aiValidation != null && !aiValidation.isAiValidated;
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final aiConfidence = aiValidation?.confidence;
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final deriv = proposal.selectedDerivative;
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final hasDerivative = deriv != null;
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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: Text('Trade Proposal: $symbol', style: const TextStyle(fontWeight: FontWeight.bold, fontSize: 18)),
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),
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body: SingleChildScrollView(
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padding: const EdgeInsets.all(16),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// Top Asset Card
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GlassContainer(
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padding: const EdgeInsets.all(16),
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child: Row(
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children: [
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AssetLogoWidget(
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symbolOrName: symbol,
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imageUrl: '/api/v1/logo/$isin',
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size: 48,
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),
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const SizedBox(width: 16),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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children: [
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Text(symbol, style: const TextStyle(fontSize: 20, fontWeight: FontWeight.bold, color: Colors.white)),
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const SizedBox(width: 8),
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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(6),
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color: isLong ? AppTheme.primaryEmerald.withValues(alpha: 0.2) : AppTheme.accentRed.withValues(alpha: 0.2),
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),
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child: Text(
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isLong ? 'LONG' : 'SHORT',
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style: TextStyle(
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color: isLong ? AppTheme.primaryEmerald : AppTheme.accentRed,
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fontWeight: FontWeight.bold,
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fontSize: 11,
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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 SizedBox(height: 4),
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Text(isin, style: TextStyle(color: AppTheme.textMuted, fontSize: 12)),
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],
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),
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),
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Container(
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padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(12),
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color: AppTheme.primaryEmerald.withValues(alpha: 0.15),
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border: Border.all(color: AppTheme.primaryEmerald, width: 1.5),
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),
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child: Column(
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children: [
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Text('${score.toStringAsFixed(0)} Pkt', style: TextStyle(color: AppTheme.primaryEmerald, fontWeight: FontWeight.bold, fontSize: 16)),
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Text('Score', style: TextStyle(color: AppTheme.textMuted, fontSize: 9)),
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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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const SizedBox(height: 16),
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// AI Thesis & Catalysts Card
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GlassContainer(
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padding: const EdgeInsets.all(16),
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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.psychology, size: 18, color: Colors.purpleAccent),
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SizedBox(width: 8),
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Text('KI-Guardian Thesis & Validierung', style: TextStyle(fontWeight: FontWeight.bold, fontSize: 14, color: Colors.white)),
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],
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),
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const SizedBox(height: 10),
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if (aiValidation != null)
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Container(
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margin: const EdgeInsets.only(bottom: 10),
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padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 6),
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(8),
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color: isRuleBasedApproval
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? Colors.amber.withValues(alpha: 0.12)
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: AppTheme.primaryEmerald.withValues(alpha: 0.12),
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border: Border.all(color: isRuleBasedApproval ? Colors.amber : AppTheme.primaryEmerald),
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),
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child: Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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Icon(
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isRuleBasedApproval ? Icons.rule_outlined : Icons.smart_toy_outlined,
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size: 14,
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color: isRuleBasedApproval ? Colors.amber : AppTheme.primaryEmerald,
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),
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const SizedBox(width: 6),
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Text(
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isRuleBasedApproval
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? 'Regelbasierte Freigabe – keine KI-Bewertung durchgeführt'
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: (aiConfidence != null
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? 'KI-validiert · Konfidenz ${(aiConfidence * 100).toStringAsFixed(0)}%'
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: 'KI-validiert · Konfidenz nicht verfügbar'),
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style: TextStyle(
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color: isRuleBasedApproval ? Colors.amber : AppTheme.primaryEmerald,
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fontSize: 11,
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fontWeight: FontWeight.bold,
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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 (!hasAiThesisContent)
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Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Icon(Icons.info_outline, size: 16, 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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aiValidation == null
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? 'Keine KI-Validierung für diesen Vorschlag verfügbar.'
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: 'Keine weiteren Details zur Freigabe hinterlegt.',
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style: TextStyle(color: AppTheme.textMuted, fontSize: 13, height: 1.4),
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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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Text(aiValidation.thesisSummary, style: const TextStyle(color: Colors.white70, fontSize: 13, height: 1.4)),
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if (aiValidation.keyCatalysts.isNotEmpty) ...[
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const SizedBox(height: 12),
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Text('Katalysatoren & Stärken ($strategyKey @ €${entryPrice.toStringAsFixed(2)}):', style: TextStyle(color: AppTheme.primaryEmerald, fontSize: 12, fontWeight: FontWeight.bold)),
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const SizedBox(height: 4),
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...aiValidation.keyCatalysts.map((c) => Padding(
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padding: const EdgeInsets.only(bottom: 2),
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child: Row(
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children: [
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Icon(Icons.check_circle, size: 12, color: AppTheme.primaryEmerald),
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const SizedBox(width: 6),
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Expanded(child: Text(c, 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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if (aiValidation.identifiedRisks.isNotEmpty) ...[
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const SizedBox(height: 12),
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const Text('Identifizierte Risiken:', style: TextStyle(color: Colors.amber, fontSize: 12, fontWeight: FontWeight.bold)),
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const SizedBox(height: 4),
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...aiValidation.identifiedRisks.map((r) => Padding(
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padding: const EdgeInsets.only(bottom: 2),
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child: Row(
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children: [
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const Icon(Icons.warning_amber, size: 12, color: Colors.amber),
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const SizedBox(width: 6),
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Expanded(child: Text(r, 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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const SizedBox(height: 16),
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// Knock-Out Derivative & Safety Buffer Card
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GlassContainer(
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padding: const EdgeInsets.all(16),
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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.shield_outlined, size: 18, color: Colors.cyanAccent),
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SizedBox(width: 8),
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Text('Optimaler Knock-Out Schein', style: TextStyle(fontWeight: FontWeight.bold, fontSize: 14, color: Colors.white)),
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],
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),
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const SizedBox(height: 12),
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if (!hasDerivative)
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Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Icon(Icons.info_outline, size: 16, 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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'Kein passendes Knock-Out Produkt für diesen Vorschlag gefunden.',
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style: TextStyle(color: AppTheme.textMuted, fontSize: 13, height: 1.4),
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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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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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_buildDetailCol('Emittent', deriv.issuer.isNotEmpty ? deriv.issuer : '–'),
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_buildDetailCol('Hebel', '${deriv.leverage.toStringAsFixed(1)}x'),
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_buildDetailCol('KO-Barriere', '€${deriv.barrier.toStringAsFixed(2)}'),
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_buildDetailCol('Sicherheitspuffer', '${deriv.safetyBufferPercent.toStringAsFixed(1)}%'),
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],
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),
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const SizedBox(height: 12),
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LinearProgressIndicator(
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value: (deriv.safetyBufferPercent / 20.0).clamp(0.0, 1.0),
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backgroundColor: Colors.white10,
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valueColor: AlwaysStoppedAnimation<Color>(deriv.safetyBufferPercent >= 5.0 ? AppTheme.primaryEmerald : Colors.amber),
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minHeight: 6,
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borderRadius: BorderRadius.circular(3),
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),
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const SizedBox(height: 6),
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Text(
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'Barriere liegt ${deriv.safetyBufferPercent.toStringAsFixed(1)}% unter dem Chart Stop-Loss (€${invalidationPrice.toStringAsFixed(2)}).',
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style: TextStyle(color: AppTheme.textMuted, fontSize: 10),
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),
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const SizedBox(height: 6),
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Text(
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deriv.derivativeWkn != null ? 'WKN: ${deriv.derivativeWkn}' : 'WKN: nicht verfügbar',
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style: TextStyle(
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color: AppTheme.textMuted,
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fontSize: 10,
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fontStyle: deriv.derivativeWkn != null ? FontStyle.normal : FontStyle.italic,
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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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const SizedBox(height: 24),
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// Action Buttons
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Row(
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children: [
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Expanded(
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child: ElevatedButton.icon(
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onPressed: onExecuteBot,
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icon: const Icon(Icons.smart_toy_outlined),
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label: const Text('An Bot übergeben'),
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style: ElevatedButton.styleFrom(
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backgroundColor: AppTheme.primaryEmerald,
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padding: const EdgeInsets.symmetric(vertical: 16),
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
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),
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),
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),
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const SizedBox(width: 12),
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Expanded(
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child: OutlinedButton.icon(
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onPressed: onManualTrade,
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icon: const Icon(Icons.touch_app_outlined),
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label: const Text('Manuell eröffnen'),
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style: OutlinedButton.styleFrom(
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foregroundColor: Colors.white,
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side: const BorderSide(color: Colors.white30),
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padding: const EdgeInsets.symmetric(vertical: 16),
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(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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const SizedBox(height: 32),
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],
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),
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),
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);
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}
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Widget _buildDetailCol(String label, String val) {
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(label, style: TextStyle(color: AppTheme.textMuted, fontSize: 10)),
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const SizedBox(height: 2),
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Text(val, style: const TextStyle(color: Colors.white, fontWeight: FontWeight.bold, fontSize: 13)),
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],
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);
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}
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}
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