feat: implement Story 2.2 — Priority Alerts Panel with UI fixes

Add PriorityAlertsPanel component to the dashboard, update DashboardController
with alert logic, and apply misc UI fixes across sidebar, forms, and pages.
Includes epic-1 retrospective and sprint status update.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

resources/js/pages/team/Index.vue

@@ -170,7 +170,9 @@ watch(
     (members) => {
         if (!permissionsMember.value || !showPermissionsDialog.value) return;
         const updated = members.find(
-            (m) => m.workspace_user_id === permissionsMember.value!.workspace_user_id,
+            (m) =>
+                m.workspace_user_id ===
+                permissionsMember.value!.workspace_user_id,
         );
         if (updated) {
             permissionsMember.value = updated;
@@ -547,7 +549,7 @@ const breadcrumbs: BreadcrumbItem[] = [
                                                         isOwner &&
                                                         getMemberData(member)!
                                                             .role ===
-                                                        ROLE_MANAGER
+                                                            ROLE_MANAGER
                                                     "
                                                     @click="
                                                         openPermissionsDialog(