fix : Différentes erreurs

lib/ui/common/ReadMoreText.dart

@@ -5,13 +5,12 @@ import 'package:flutter/material.dart';
 class ReadMoreText extends StatefulWidget {
   const ReadMoreText(
       this.text, {
-        Key? key,
+        super.key,
         this.trimLines = 2,
         this.collapsedText = '... read more',
         this.expandedText = ' read less',
         this.textStyle,
-      })  : assert(text != null),
-        super(key: key);
+      })  : assert(text != null);
 
   final String text;
   final int trimLines;
@@ -69,7 +68,7 @@ class ReadMoreTextState extends State<ReadMoreText> {
             textSize.height,
         ));
         endIndex = textPainter.getOffsetBefore(pos.offset);
-        var textSpan;
+        TextSpan textSpan;
         if (textPainter.didExceedMaxLines) {
           textSpan = TextSpan(
             text: _readMore

lib/ui/common/animator_widget.dart

@@ -14,7 +14,7 @@ class AnimatorWidget extends StatefulWidget {
   final double? aspectRatio; // Nouveau paramètre pour le ratio (largeur/hauteur)
 
   const AnimatorWidget({
-    Key? key,
+    super.key,
     required this.authorName,
     required this.authorImageUrl,
     this.publishDate,
@@ -26,7 +26,7 @@ class AnimatorWidget extends StatefulWidget {
     this.onComment,
     this.onShare,
     this.aspectRatio, // null = ratio naturel de l'image, ex: 16/9, 4/3, 1/1
-  }) : super(key: key);
+  });
 
   @override
   State<AnimatorWidget> createState() => _AnimatorWidgetWidgetState();

lib/ui/common/post_card_widget copy.dart

@@ -15,7 +15,7 @@ class PostCardWidget extends StatelessWidget {
   final VoidCallback? onShare;
 
   const PostCardWidget({
-    Key? key,
+    super.key,
     required this.title,
     required this.content,
     required this.authorName,
@@ -28,7 +28,7 @@ class PostCardWidget extends StatelessWidget {
     this.onLike,
     this.onComment,
     this.onShare,
-  }) : super(key: key);
+  });
 
   @override
   Widget build(BuildContext context) {
@@ -109,7 +109,7 @@ class PostCardWidget extends StatelessWidget {
           
           // Images avec boutons d'action si présentes
           if (imageUrls != null && imageUrls!.isNotEmpty)
-            Container(
+            SizedBox(
               //margin: const EdgeInsets.symmetric(vertical: 12.0),
               height: 200,
               child: Stack(

lib/ui/common/post_card_widget.dart

@@ -18,7 +18,7 @@ class PostCardWidget extends StatefulWidget {
   final double? aspectRatio; // Nouveau paramètre pour le ratio (largeur/hauteur)
 
   const PostCardWidget({
-    Key? key,
+    super.key,
     required this.title,
     required this.content,
     required this.authorName,
@@ -32,7 +32,7 @@ class PostCardWidget extends StatefulWidget {
     this.onComment,
     this.onShare,
     this.aspectRatio, // null = ratio naturel de l'image, ex: 16/9, 4/3, 1/1
-  }) : super(key: key);
+  });
 
   @override
   State<PostCardWidget> createState() => _PostCardWidgetState();
@@ -129,7 +129,7 @@ class _PostCardWidgetState extends State<PostCardWidget> {
               builder: (context, snapshot) {
                 final imageHeight = snapshot.data ?? 200.0; // Hauteur par défaut si pas encore calculée
                 
-                return Container(
+                return SizedBox(
                   height: imageHeight,
                   child: Stack(
                     children: [