Ajoute icone pour priorite + changement donnée envoyé

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

@@ -67,9 +67,11 @@
         <div>
           <label class="field-label">Priorité</label>
           <select aria-label="Priorité" class="form-select form-select-sm" [(ngModel)]="issue.priority" (change)="saveIssue()">
-            <option value="Basse">Basse</option>
-            <option value="Moyenne">Moyenne</option>
-            <option value="Haute">Haute</option>
+            <option value="TRES_HAUTE">↑↑ Très haute</option>
+            <option value="HAUTE">↑ Haute</option>
+            <option value="MOYENNE">– Moyenne</option>
+            <option value="BASSE">↓ Basse</option>
+            <option value="TRES_FAIBLE">↓↓ Très faible</option>
           </select>
         </div>
         @if (!isEpicIssue) {
@@ -204,7 +206,11 @@
               <span class="fw-semibold">#{{ composedIssue.id }} – {{ composedIssue.name || 'Sans nom' }}</span>
             </div>
             <div class="d-flex align-items-center gap-3 flex-shrink-0">
-              <span class="text-secondary small">{{ composedIssue.priority }}</span>
+              <span
+                [style.color]="priorityDisplay(composedIssue.priority).color"
+                [title]="priorityDisplay(composedIssue.priority).label"
+                style="font-weight:700; font-size:1rem; letter-spacing:-1px;"
+              >{{ priorityDisplay(composedIssue.priority).symbol }}</span>
               <span class="text-secondary small text-nowrap">{{ composedIssue.assignee || 'Non assigné' }}</span>
             </div>
           </li>