Write proper FAQ page intro; drop dead faqs-embed from tests

Elternbeirat.Web/Features/Faqs/FaqList.razor

@@ -1,8 +1,19 @@
 @page "/faqs"
 
-<PageTitle>Häufige Fragen</PageTitle>
+@{
+    // Heading and intro come from the "faqs" page record; fall back to a sensible
+    // default only if that record is missing, so the page still renders.
+    var title = _page?.Title ?? "FAQs";
+}
 
-<h1>Häufige Fragen</h1>
+<PageTitle>@title</PageTitle>
+
+<h1>@title</h1>
+
+@if (_page is not null && !string.IsNullOrWhiteSpace(_page.Body))
+{
+    <article>@Body</article>
+}
 
 @if (_unavailable)
 {

Elternbeirat.Web/Features/Faqs/FaqList.razor.cs

@@ -23,6 +23,11 @@ public partial class FaqList
     [CascadingParameter]
     private HttpContext? HttpContext { get; set; }
 
+    // The "faqs" page record supplies the heading and intro text, so an editor
+    // owns them in PocketBase rather than them being hard-coded here. Null until
+    // loaded, or when no such page exists.
+    private Page? _page;
+
     private IReadOnlyList<FaqTopic> _topics = [];
 
     // Set when the content source could not be reached or read. The markup then
@@ -30,11 +35,19 @@ public partial class FaqList
     // the 503 this sets on the response.
     private bool _unavailable;
 
+    // The page body rendered from Markdown to HTML, ready to emit as a
+    // MarkupString in the markup.
+    private MarkupString Body => (MarkupString)Markdown.ToHtml(_page?.Body);
+
     protected override async Task OnInitializedAsync()
     {
         try
         {
-            _topics = await PocketBase.GetFaqTopicsAsync(HttpContext?.RequestAborted ?? CancellationToken.None);
+            var token = HttpContext?.RequestAborted ?? CancellationToken.None;
+            var pages = await PocketBase.GetPagesAsync(token);
+            _page = pages.FirstOrDefault(
+                page => string.Equals(page.Slug, "faqs", StringComparison.OrdinalIgnoreCase));
+            _topics = await PocketBase.GetFaqTopicsAsync(token);
         }
         catch (PocketBaseUnavailableException exception)
         {