add detail page

lib/model/filament_model.dart

@@ -6,6 +6,7 @@ class FilamentModel {
   final String type; // PLA, ABS, PETG, etc.
   final String color;
   final double weight; // in Gramm
+  final double weightUsed;
   final double price; // Preis
   final String? manufacturer;
   final String? purchaseDate;
@@ -20,13 +21,14 @@ class FilamentModel {
     required this.type,
     required this.color,
     required this.weight,
+    required this.weightUsed,
     required this.price,
     this.manufacturer,
     this.purchaseDate,
     this.notes,
     this.pices,
     this.printingTemp,
-    this.bedTemp,
+    this.bedTemp
   });
 
   // JSON Serialisierung
@@ -44,6 +46,7 @@ class FilamentModel {
       'pices': pices,
       'printingTemp': printingTemp,
       'bedTemp': bedTemp,
+      'printWeightUsed': weightUsed,
     };
   }
 
@@ -55,6 +58,7 @@ class FilamentModel {
       type: json['type'] as String,
       color: json['color'] as String,
       weight: (json['weight'] as num).toDouble(),
+      weightUsed: (json['weightUsed'] as num).toDouble(),
       price: (json['price'] as num).toDouble(),
       manufacturer: json['manufacturer'] as String?,
       purchaseDate: json['purchaseDate'] as String?,
@@ -79,6 +83,7 @@ class FilamentModel {
     int? pices,
     int? printingTemp,
     int? bedTemp,
+    double? weightUsed,
   }) {
     return FilamentModel(
       id: id ?? this.id,
@@ -86,6 +91,7 @@ class FilamentModel {
       type: type ?? this.type,
       color: color ?? this.color,
       weight: weight ?? this.weight,
+      weightUsed: weightUsed ?? this.weightUsed,
       price: price ?? this.price,
       manufacturer: manufacturer ?? this.manufacturer,
       purchaseDate: purchaseDate ?? this.purchaseDate,
@@ -108,6 +114,7 @@ class FilamentModel {
       type: 'PLA',
       color: 'White',
       weight: 1000.0,
+      weightUsed: 250.0,
       price: 19.99,
       manufacturer: '3Djake.at',
       purchaseDate: formatDate(DateTime(2026, 1, 10)),
@@ -122,6 +129,7 @@ class FilamentModel {
       type: 'PETG',
       color: 'Black',
       weight: 1000.0,
+      weightUsed: 0.0,
       price: 9.99,
       manufacturer: 'geeetech.com',
       purchaseDate: formatDate(DateTime(2025, 10, 10)),
@@ -136,6 +144,7 @@ class FilamentModel {
       type: 'ASA',
       color: 'Black',
       weight: 1000.0,
+      weightUsed: 150.0,
       price: 16.01,
       pices: 1,
       manufacturer: 'tinmorry.com',