feat(Editor): Refactor liste des questions (SessionQuestionsList)

- Affichage liste avec previews média (Image/Vidéo/Audio)

- Fix génération miniature vidéo via le hack #t=0.1

- Boutons de ré-ordonnancement (Monter/Descendre)

- Intégration du dialogue d'édition QuestionEditorDialog

VApp/src/components/SessionQuestionsList.vue

@@ -0,0 +1,256 @@
+<template>
+    <div class="session-questions-list">
+        <div class="d-flex justify-space-between align-center mb-5 px-4">
+            <span class="text-h6">Questions ({{ questions.length }})</span>
+            <v-btn rounded="xl" color="secondary" size="small" prepend-icon="mdi-plus" @click="openDialog()">Ajouter</v-btn>
+        </div>
+
+        <div v-if="questions.length === 0" class="text-h5 font-weight-bold text-center text-primary pb-5">
+            Aucune question définie.
+        </div>
+        
+        <!-- List container without v-list wrapper for clean transition -->
+        <transition-group name="flip-list" tag="div" class="question-list-container">
+            <v-card v-for="(question, index) in questions" :key="question._ui_key" rounded="xl" variant="outlined" class="mb-2 question-item">
+            <v-card-text class="d-flex align-center py-2">
+                <div class="mr-4 font-weight-bold text-h6 text-primary">{{ index + 1 }}</div>
+                <div class="flex-grow-1">
+                <div class="text-subtitle-1 font-weight-bold">
+                    <span class="text-primary opacity-100 pb-2">{{ question.QuestionId }}</span>
+                </div>
+                <div class="text-body-2 font-weight-bold"><span class="text-primary opacity-100">Question :</span> {{ question.QuestionText }}</div>
+                <div class="text-body-2 font-weight-bold"><span class="text-primary opacity-100">Réponse :</span> {{ question.MasterData.CorrectAnswer }}</div>
+                <div class="text-body-2 font-weight-bold"><span class="text-primary opacity-100">Points :</span> {{ question.Points }}</div>
+                <div class="text-body-2 font-weight-bold"><span class="text-primary opacity-100">Temps :</span> {{ question.Settings.PlayTime }} secondes</div>
+                <div class="text-body-2 font-weight-bold"><span class="text-primary opacity-100">Type :</span> {{ question.Type }}</div>
+                </div>
+                
+                <div v-if="question.MediaUrl" class="mr-10">
+                     <div class="list-preview-box" @click="openPreview(question.Type, question.MediaUrl)" style="cursor: pointer;">
+                        <img v-if="question.Type === 'picture'" :src="getPreviewUrl(question.MediaUrl)" class="list-preview-content">
+                        <video 
+                            v-else-if="question.Type === 'video'" 
+                            :src="getPreviewUrl(question.MediaUrl) + '#t=0.1'" 
+                            class="list-preview-content"
+                            preload="metadata"
+                            muted
+                        ></video>
+                         <div v-else-if="question.Type === 'audio'">
+                            <v-icon size="32" color="primary">mdi-music</v-icon>
+                        </div>
+                    </div>
+                </div>
+
+                <div class="d-flex flex-column gap-1">
+                    <v-btn icon="mdi-arrow-up" size="x-large" variant="text" :disabled="index === 0" @click="$emit('move', index, -1)"></v-btn>
+                    <v-btn icon="mdi-arrow-down" size="x-large" variant="text" :disabled="index === questions.length - 1" @click="$emit('move', index, 1)"></v-btn>
+                </div>
+                <div class="d-flex ml-2">
+                <v-btn icon="mdi-pencil" size="x-large" variant="text" color="blue" @click="openDialog(question, index)"></v-btn>
+                <v-btn icon="mdi-delete" size="x-large" variant="text" color="red" @click="$emit('delete', index)"></v-btn>
+                </div>
+            </v-card-text>
+            </v-card>
+        </transition-group>
+
+        <!-- Use persistent prop if needed, though hidden by v-model -->
+        <QuestionEditorDialog 
+            v-model="dialogVisible"
+            :question="editingQuestion"
+            :session-id="sessionId"
+            :api-url="apiUrl"
+            :next-index="nextQuestionIndex"
+            @save="onSave"
+            @delete-media="onDeleteMedia"
+        />
+
+        <!-- Dialog Preview Image -->
+        <v-dialog v-model="showFullPreview" max-width="90vw">
+            <v-card rounded="xl" class="pa-2">
+                <v-card-text class="d-flex justify-center" style="padding: 16px;">
+                    <v-img
+                        :src="getPreviewUrl(previewMediaUrl)" 
+                        max-height="80vh"
+                        rounded="lg"
+                        @click="showFullPreview = false"
+                        style="cursor: pointer;"
+                    ></v-img>
+                </v-card-text>
+                <v-card-actions>
+                    <v-spacer></v-spacer>
+                    <v-btn color="primary" variant="text" @click="showFullPreview = false">Fermer</v-btn>
+                </v-card-actions>
+            </v-card>
+        </v-dialog>
+
+        <!-- Dialog Preview Video -->
+        <v-dialog v-model="showVideoPreview" max-width="90vw">
+            <v-card rounded="xl" class="pa-2">
+                <v-card-text class="d-flex justify-center" style="padding: 16px;">
+                    <video 
+                        :src="getPreviewUrl(previewMediaUrl)" 
+                        controls
+                        autoplay
+                        disablepictureinpicture 
+                        disableremoteplayback
+                        controlslist="nodownload"
+                        style="max-width: 100%; max-height: 80vh; border-radius: 12px;"
+                    ></video>
+                </v-card-text>
+                <v-card-actions>
+                    <v-spacer></v-spacer>
+                    <v-btn color="primary" variant="text" @click="showVideoPreview = false">Fermer</v-btn>
+                </v-card-actions>
+            </v-card>
+        </v-dialog>
+
+        <!-- Dialog Preview Audio -->
+        <v-dialog v-model="showAudioPreview" max-width="500px">
+            <v-card rounded="xl" class="pa-4">
+                <v-card-title class="text-center">
+                    <v-icon size="64" color="primary">mdi-music-circle</v-icon>
+                </v-card-title>
+                <v-card-text class="d-flex justify-center" style="padding: 16px;">
+                    <audio 
+                        :src="getPreviewUrl(previewMediaUrl)" 
+                        controls
+                        controlslist="nodownload"
+                        disablepictureinpicture 
+                        disableremoteplayback
+                        autoplay
+                        style="width: 100%;"
+                    ></audio>
+                </v-card-text>
+                <v-card-actions>
+                    <v-spacer></v-spacer>
+                    <v-btn color="primary" variant="text" @click="showAudioPreview = false">Fermer</v-btn>
+                </v-card-actions>
+            </v-card>
+        </v-dialog>
+    </div>
+</template>
+
+<script setup>
+import { ref } from 'vue';
+import QuestionEditorDialog from './QuestionEditorDialog.vue';
+
+const props = defineProps({
+    questions: {
+        type: Array,
+        required: true,
+        default: () => []
+    },
+    sessionId: {
+        type: String,
+        required: true
+    },
+    apiUrl: {
+        type: String,
+        required: true
+    }
+});
+
+const emit = defineEmits(['move', 'delete', 'update', 'delete-media']);
+
+// Dialog state
+const dialogVisible = ref(false);
+const editingQuestion = ref(null);
+const editingIndex = ref(-1);
+const nextQuestionIndex = ref(1);
+
+function openDialog(question = null, index = -1) {
+    editingQuestion.value = question; // if null, dialog treats as new
+    editingIndex.value = index;
+    
+    // Calculate next index: if editing, use current index + 1, else use length + 1
+    if (index >= 0) {
+        nextQuestionIndex.value = index + 1;
+    } else {
+        nextQuestionIndex.value = props.questions.length + 1;
+    }
+
+    dialogVisible.value = true;
+}
+
+function onSave(questionData) {
+    emit('update', questionData, editingIndex.value);
+}
+
+function onDeleteMedia(mediaUrl) {
+    emit('delete-media', mediaUrl);
+}
+
+function getPreviewUrl(relativePath) {
+    if (!relativePath || relativePath.startsWith('http')) return relativePath;
+    return `${props.apiUrl}/quizz/${props.sessionId}${relativePath}`;
+}
+
+const showFullPreview = ref(false);
+const showVideoPreview = ref(false);
+const showAudioPreview = ref(false);
+const previewMediaUrl = ref('');
+
+function openPreview(type, url) {
+    previewMediaUrl.value = url;
+    if (type === 'picture') showFullPreview.value = true;
+    else if (type === 'video') showVideoPreview.value = true;
+    else if (type === 'audio') showAudioPreview.value = true;
+}
+</script>
+
+<style scoped>
+    .gap-1 {
+        gap: 4px;
+    }
+
+    .question-list-container {
+        position: relative;
+    }
+
+    .question-item {
+        transition: all 0.5s ease;
+        /* Ensure z-index is handled during move for better visual stack */
+        z-index: 1; 
+    }
+
+    /* Transition d'animation de liste */
+    .flip-list-move {
+        transition: transform 0.5s;
+    }
+
+    /* Entering items */
+    .flip-list-enter-active,
+    .flip-list-leave-active {
+        transition: all 0.5s ease;
+    }
+    
+    .flip-list-enter-from,
+    .flip-list-leave-to {
+        opacity: 0;
+        transform: translateX(30px);
+    }
+    
+    /* Ensure removed items are taken out of flow so others can move up smoothly */
+    .flip-list-leave-active {
+        position: absolute; 
+        width: 100%; /* Important to maintain width when absolute */
+    }
+
+    .list-preview-box {
+        width: 80px; 
+        height: 80px; 
+        background: #333; 
+        display: flex; 
+        align-items: center; 
+        justify-content: center; 
+        overflow: hidden; 
+        border-radius: 8px; 
+        flex-shrink: 0;
+    }
+
+    .list-preview-content {
+        width: 100%; 
+        height: 100%; 
+        object-fit: cover; 
+    }
+</style>