new version ndjson

src/Knowledge/Retrieval/NdjsonChunkLookup.php

@@ -0,0 +1,44 @@
+<?php
+
+
+declare(strict_types=1);
+
+namespace App\Knowledge\Retrieval;
+
+use App\Knowledge\ChunkManager;
+use Symfony\Component\Uid\Uuid;
+
+final class NdjsonChunkLookup
+{
+    public function __construct(
+        private readonly ChunkManager $chunkManager
+    )
+    {
+    }
+
+    /**
+     * @param string[] $chunkIds RFC4122 UUID strings
+     * @return array<string,array<string,mixed>> keyed by chunk_id
+     */
+    public function findByChunkIds(array $chunkIds): array
+    {
+        $wanted = array_fill_keys($chunkIds, true);
+        $found = [];
+
+        foreach ($this->chunkManager->streamAll() as $row) {
+            $id = $row['chunk_id'] ?? null;
+            if (!is_string($id) || !isset($wanted[$id])) {
+                continue;
+            }
+
+            $found[$id] = $row;
+
+            // Early exit sobald alle gefunden
+            if (\count($found) === \count($wanted)) {
+                break;
+            }
+        }
+
+        return $found;
+    }
+}