feat(ui): unify team, security, and notification settings layouts

Extract shared settings-layout components and a dedicated team
danger-zone page. Enable modal editing for security resources,
polish OAuth/API-token controls, and align notification and
service configuration UI with the new navigation patterns.

tests/Feature/SecuritySettingsIconsTest.php

@@ -0,0 +1,15 @@
+<?php
+
+it('uses distinct icons for each keys and tokens navigation item', function () {
+    $layout = file_get_contents(resource_path('views/components/security/settings-layout.blade.php'));
+    $icons = file_get_contents(resource_path('views/components/reicon.blade.php'));
+
+    expect($layout)
+        ->toContain("'label' => 'Private Keys'", "'icon' => 'keys'")
+        ->toContain("'label' => 'Cloud Tokens'", "'icon' => 'cloud'")
+        ->toContain("'label' => 'Cloud-Init Scripts'", "'icon' => 'file-content'")
+        ->toContain("'label' => 'API Tokens'", "'icon' => 'code'")
+        ->and($icons)
+        ->toContain("'cloud' =>")
+        ->toContain("'code' =>");
+});