feat(bookstack) : integrate TaskBookStackLinks into TaskModal

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/components/task/TaskModal.vue

@@ -152,6 +152,12 @@
                             :gitea-url="giteaUrl"
                         />
 
+                        <!-- BookStack links -->
+                        <TaskBookStackLinks
+                            v-if="hasBookStack && isEditing && task"
+                            :task-id="task.id"
+                        />
+
                         <!-- Footer -->
                         <div
                             class="mt-6 flex items-center border-t border-neutral-100 pt-5"
@@ -263,6 +269,10 @@ const hasGitea = computed(() => {
     return !!props.task?.project?.giteaOwner && !!props.task?.project?.giteaRepo && !!giteaUrl.value
 })
 
+const hasBookStack = computed(() => {
+    return !!props.task?.project?.bookstackShelfId
+})
+
 const form = reactive({
     title: '',
     description: '',