Studio: make grid checkbox rectangular and commit table changes

app/Services/Recommendations/VectorSimilarity/VectorAdapterFactory.php

@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Services\Recommendations\VectorSimilarity;
+
+use Illuminate\Support\Facades\Log;
+
+/**
+ * Factory to resolve the configured VectorAdapterInterface implementation.
+ */
+final class VectorAdapterFactory
+{
+    /**
+     * @return VectorAdapterInterface|null  null when vector similarity is disabled
+     */
+    public static function make(): ?VectorAdapterInterface
+    {
+        if (! (bool) config('recommendations.similarity.vector_enabled', false)) {
+            return null;
+        }
+
+        $adapter = (string) config('recommendations.similarity.vector_adapter', 'pgvector');
+
+        return match ($adapter) {
+            'pgvector'  => new PgvectorAdapter(),
+            'pinecone'  => new PineconeAdapter(),
+            default     => self::fallback($adapter),
+        };
+    }
+
+    private static function fallback(string $adapter): PgvectorAdapter
+    {
+        Log::warning("[VectorAdapterFactory] Unknown adapter '{$adapter}', falling back to pgvector.");
+        return new PgvectorAdapter();
+    }
+}