feat(api): UUID-only response test + WireModal pattern doc

Phase 11: NoNumericIdInResponseTest verifies /api/v1/me returns no numeric 'id' key and includes 'uuid'. WireModalDeleteTest documents the Livewire openModal pattern (skipped pending MVP-2 component).

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

tests/Feature/UUID/NoNumericIdInResponseTest.php

@@ -0,0 +1,25 @@
+<?php
+
+use App\Models\User;
+use function Pest\Laravel\actingAs;
+
+uses(\Illuminate\Foundation\Testing\RefreshDatabase::class);
+
+it('gibt keine numerischen IDs in API-Responses zurück', function () {
+    $user = User::factory()->create();
+    $response = actingAs($user)->getJson('/api/v1/me')->assertOk();
+    $json = $response->json();
+
+    $collectKeys = function (array $arr) use (&$collectKeys): array {
+        $keys = array_keys($arr);
+        foreach ($arr as $v) {
+            if (is_array($v)) {
+                $keys = array_merge($keys, $collectKeys($v));
+            }
+        }
+        return $keys;
+    };
+
+    expect($collectKeys($json))->not->toContain('id');
+    expect($json)->toHaveKey('uuid');
+});

tests/Feature/Wire/WireModalDeleteTest.php

@@ -0,0 +1,7 @@
+<?php
+
+// Documents the pattern: delete confirmations use Livewire events, not window.confirm
+it('delete-Aktion dispatcht openModal statt window.confirm', function () {
+    // Marked pending until a real delete component is implemented in MVP-2+
+    $this->markTestSkipped('No DeleteComponent implemented yet — pattern documented here');
+});