Correction affichage edition

Signed-off-by: Gato <cedric@goutailler-olivier.fr>

src/app/issues/issue-detail/issue-detail.html

@@ -176,7 +176,12 @@
 
 <!-- Description -->
 <div class="card shadow-sm mb-3">
-  <div class="card-header section-header">Description</div>
+  <div class="card-header section-header d-flex align-items-center justify-content-between">
+    <span>Description</span>
+    @if (!editingDescription) {
+      <button type="button" class="description-action-btn" (click)="startEditDescription()">Modifier</button>
+    }
+  </div>
   <div class="card-body">
     @if (editingDescription) {
       <textarea
@@ -184,13 +189,17 @@
         class="form-control border-0 shadow-none p-0 description-textarea"
         placeholder="Ajouter une description..."
         [(ngModel)]="issue.description"
-        (blur)="editingDescription = false; saveIssue()"
+        (keydown.escape)="cancelEditDescription()"
         (paste)="onDescriptionPaste($event)"
       ></textarea>
+      <div class="d-flex gap-2 mt-2">
+        <button type="button" class="btn btn-sm btn-primary" (click)="saveDescription()">Enregistrer</button>
+        <button type="button" class="btn btn-sm btn-outline-secondary" (click)="cancelEditDescription()">Annuler</button>
+      </div>
     } @else {
       <div
         class="description-preview"
-        (click)="editingDescription = true"
+        (click)="startEditDescription()"
         title="Cliquer pour éditer"
       >
         @if (issue.description) {