feat(chart): interactive zoom/pan controls, pattern overlays, predictions, individual pattern filtering and landscape fullscreen mode

FinlyticApp/lib/features/asset_detail/models/technical_analysis_model.dart

@@ -198,15 +198,16 @@ class ChartPatternModel extends Equatable {
 class TechnicalAnalysisModel extends Equatable {
   final String symbol;
   final String currency;
+  final double? currentPrice;
   final String trend;
   final String rsi;
   final String macd;
   final String overallSignal;
   final String sma50;
   final String sma200;
-  final double vix;
-  final String sp500Trend;
-  final double dxy;
+  final double? vix;
+  final String? sp500Trend;
+  final double? dxy;
   final double? stopLossAtr;
   final List<CandleModel> candles;
   final List<IndicatorModel> indicators;
@@ -216,15 +217,16 @@ class TechnicalAnalysisModel extends Equatable {
   const TechnicalAnalysisModel({
     required this.symbol,
     this.currency = 'EUR',
+    this.currentPrice,
     required this.trend,
     required this.rsi,
     required this.macd,
     required this.overallSignal,
     required this.sma50,
     required this.sma200,
-    this.vix = 16.5,
-    this.sp500Trend = 'Bullish',
-    this.dxy = 104.2,
+    this.vix,
+    this.sp500Trend,
+    this.dxy,
     this.stopLossAtr,
     this.candles = const [],
     this.indicators = const [],
@@ -245,7 +247,6 @@ class TechnicalAnalysisModel extends Equatable {
     var rawPatterns = json['patterns'] as List<dynamic>? ?? [];
     var patternsList = rawPatterns.map((p) => ChartPatternModel.fromJson(p as Map<String, dynamic>)).toList();
 
-
     final lastInd = indicatorsList.isNotEmpty ? indicatorsList.last : null;
     final regime = json['marketRegime'] as Map<String, dynamic>?;
 
@@ -259,17 +260,18 @@ class TechnicalAnalysisModel extends Equatable {
     }
 
     return TechnicalAnalysisModel(
-      symbol: json['symbol']?.toString() ?? json['isin']?.toString() ?? json['ticker']?.toString() ?? '',
+      symbol: json['symbol']?.toString() ?? '',
       currency: json['currency']?.toString() ?? 'EUR',
+      currentPrice: (json['currentPrice'] as num?)?.toDouble(),
       trend: parsedTrend,
       rsi: lastInd?.rsi14?.toStringAsFixed(1) ?? 'N/A',
       macd: lastInd?.macdHistogram?.toStringAsFixed(2) ?? lastInd?.macdLine?.toStringAsFixed(2) ?? 'N/A',
       overallSignal: parsedSignal,
       sma50: lastInd?.sma50?.toStringAsFixed(2) ?? 'N/A',
       sma200: lastInd?.sma200?.toStringAsFixed(2) ?? 'N/A',
-      vix: (regime?['vixValue'] as num?)?.toDouble() ?? 16.5,
-      sp500Trend: regime?['marketTrend']?.toString() ?? 'Bullish',
-      dxy: (regime?['dxyValue'] as num?)?.toDouble() ?? 104.2,
+      vix: (regime?['vixValue'] as num?)?.toDouble(),
+      sp500Trend: regime?['marketTrend']?.toString(),
+      dxy: (regime?['dxyValue'] as num?)?.toDouble(),
       stopLossAtr: lastInd?.recommendedStopLoss,
       candles: candlesList,
       indicators: indicatorsList,