feat(branches): add director assignment status and update overview view

frontend/src/views/falukant/OverviewView.vue

@@ -346,6 +346,12 @@
                             <strong>{{ branch.region.name }}</strong>
                             <div class="overview-entry-card__meta">
                                 <span>{{ $t(`falukant.overview.branches.level.${branch.branchType.labelTr}`) }}</span>
+                                <span
+                                    class="branch-director-status"
+                                    :class="{ 'branch-director-status--assigned': branch.hasDirector }"
+                                >
+                                    {{ $t(`falukant.overview.branches.director.${branch.hasDirector ? 'assigned' : 'unassigned'}`) }}
+                                </span>
                             </div>
                         </div>
                         <button type="button" class="button-secondary" @click="openBranch(branch.id)">{{ $t('falukant.overview.summary.open') }}</button>
@@ -631,6 +637,7 @@ export default {
             this.socket.off("children_update");
             this.socket.off("falukantBranchUpdate");
             this.socket.off("stock_change");
+            this.socket.off("directorchanged");
         }
     },
     methods: {
@@ -661,6 +668,9 @@ export default {
                 this.socket.on("stock_change", (data) => {
                     this.handleEvent({ event: 'stock_change', ...data });
                 });
+                this.socket.on("directorchanged", (data) => {
+                    this.handleEvent({ event: 'directorchanged', ...(data || {}) });
+                });
             } else {
                 // Versuche es nach kurzer Verzögerung erneut
                 setTimeout(() => {
@@ -723,6 +733,7 @@ export default {
                 case 'falukantUpdateProductionCertificate':
                 case 'children_update':
                 case 'falukantBranchUpdate':
+                case 'directorchanged':
                     this.queueOverviewRefresh();
                     break;
                 case 'production_ready':
@@ -1256,6 +1267,14 @@ export default {
     font-size: 0.9rem;
 }
 
+.branch-director-status {
+    font-weight: 600;
+}
+
+.branch-director-status--assigned {
+    color: var(--color-success, #218838);
+}
+
 .overview-entry-card--action {
     flex-direction: row;
     align-items: center;