feat: Enhance Support Reply Service with tone instructions and article details

- Added tone instruction retrieval to SupportReplyService.
- Improved user feedback when no relevant article is found.
- Included article URL and tone instruction in LLM prompt.
- Updated response format to include source information.
- Enhanced article management UI with search functionality and editing capabilities.
- Introduced a new API endpoint for nearest articles based on vector search.
- Added confidence badge component to display article confidence levels.
- Implemented tests for article searching, editing, and nearest article API.
- Removed obsolete .htaccess file.

app/Livewire/Admin/ArticleManager.php

@@ -19,6 +19,14 @@ class ArticleManager extends Component
 
     public array $allowedActions = [];
 
+    public string $search = '';
+
+    public ?int $editingArticleId = null;
+
+    public string $editTitle = '';
+
+    public string $editContent = '';
+
     public array $articleNotes = [];
 
     public array $articleAllowedActions = [];
@@ -55,6 +63,51 @@ class ArticleManager extends Component
         $this->resetPage();
     }
 
+    public function updatedSearch(): void
+    {
+        $this->resetPage();
+    }
+
+    public function startEdit(int $articleId, AdminArticleService $service): void
+    {
+        $article = $service->findById($articleId);
+        if ($article === null) {
+            session()->flash('success', "Artikel #{$articleId} bestaat niet meer.");
+
+            return;
+        }
+
+        $this->editingArticleId = $article->id;
+        $this->editTitle = $article->title;
+        $this->editContent = $article->content;
+    }
+
+    public function cancelEdit(): void
+    {
+        $this->reset(['editingArticleId', 'editTitle', 'editContent']);
+        $this->resetValidation(['editTitle', 'editContent']);
+    }
+
+    public function saveEdit(AdminArticleService $service): void
+    {
+        if ($this->editingArticleId === null) {
+            return;
+        }
+
+        $this->validate([
+            'editTitle' => ['required', 'string', 'max:255'],
+            'editContent' => ['required', 'string', 'max:12000'],
+        ]);
+
+        $updated = $service->updateContent($this->editingArticleId, $this->editTitle, $this->editContent);
+
+        session()->flash('success', $updated
+            ? "Artikel #{$this->editingArticleId} is bijgewerkt en wordt opnieuw geindexeerd."
+            : "Artikel #{$this->editingArticleId} bestaat niet meer.");
+
+        $this->cancelEdit();
+    }
+
     public function saveMetadata(int $articleId, AdminArticleService $service): void
     {
         $this->validate([
@@ -90,8 +143,8 @@ class ArticleManager extends Component
 
     public function render(AdminArticleService $service, AdminQuickReplyService $quickReplyService)
     {
-        $articles = $service->paginate(10);
-        $this->hydrateArticleMetadataState($articles->items());
+        $articles = $service->paginate(10, $this->search);
+        $this->fillArticleMetadataState($articles->items());
 
         return view('livewire.admin.article-manager', [
             'articles' => $articles,
@@ -99,7 +152,7 @@ class ArticleManager extends Component
         ]);
     }
 
-    private function hydrateArticleMetadataState(array $articles): void
+    private function fillArticleMetadataState(array $articles): void
     {
         foreach ($articles as $article) {
             if (! array_key_exists($article->id, $this->articleNotes)) {