phase a audit

src/Ingest/VectorRebuildService.php

@@ -0,0 +1,38 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Ingest;
+
+use App\Index\IndexMetaManager;
+use App\Knowledge\ChunkManager;
+use App\Vector\VectorIndexBuilder;
+
+final readonly class VectorRebuildService
+{
+    public function __construct(
+        private VectorIndexBuilder $vectorBuilder,
+        private IndexMetaManager   $metaManager,
+        private ChunkManager       $chunkManager,
+    ) {}
+
+    /**
+     * Führt einen vollständigen, deterministischen FAISS-Rebuild aus.
+     *
+     * Ablauf:
+     * 1. Rebuild des Vector Index aus index.ndjson
+     * 2. Chunk-Zählung via ChunkManager
+     * 3. Runtime-Stats atomar aktualisieren
+     */
+    public function rebuild(?string $logPath = null): void
+    {
+        // 1️⃣ Vector Index neu bauen
+        $this->vectorBuilder->rebuildFromNdjson($logPath);
+
+        // 2️⃣ Chunk Count streaming-safe zählen
+        $chunkCount = $this->chunkManager->countAllChunks();
+
+        // 3️⃣ Runtime-Stats aktualisieren (atomar)
+        $this->metaManager->updateRuntimeStats($chunkCount);
+    }
+}