Build Laravel 13 ticket assistant with Docker, Livewire admin, and helpdesk scraper command

app/Repositories/ArticleRepository.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Repositories;
+
+use App\DTOs\ArticleCandidateDTO;
+use App\Models\Article;
+use App\Repositories\Contracts\ArticleRepositoryInterface;
+use Illuminate\Support\Facades\DB;
+
+class ArticleRepository implements ArticleRepositoryInterface
+{
+    public function findSimilarByEmbedding(array $embedding, int $limit = 5): array
+    {
+        $vector = '['.implode(',', array_map(static fn ($value) => (float) $value, $embedding)).']';
+
+        $rows = Article::query()
+            ->select('articles.*')
+            ->selectRaw('embedding <=> ?::vector as distance', [$vector])
+            ->whereNotNull('embedding')
+            ->orderByRaw('embedding <=> ?::vector', [$vector])
+            ->limit($limit)
+            ->get();
+
+        return $rows
+            ->map(fn (Article $article) => ArticleCandidateDTO::fromArticle($article, (float) $article->distance))
+            ->all();
+    }
+}