Protokoll #400

ID400
Zeitstempel2025-12-20 16:35:28.121820
Clientroot
IP145.224.96.190
Modellclaude-sonnet-4-20250514
Statuscompleted
Tokens13,653 (Input: 2,638, Output: 11,015)
Dauer100 ms
Request-Zeit2025-12-20 16:35:28.121820
Response-Zeit2025-12-20 16:35:28.221574

Request

{
    "event": "PreToolUse",
    "tool_name": "Write",
    "tool_input": {
        "file_path": "\/var\/www\/dev.campus.systemische-tools.de\/src\/Controller\/SemanticExplorerController.php",
        "content": "<?php\n\nnamespace Controller;\n\nuse Framework\\Controller;\nuse Infrastructure\\SemanticExplorerRepository;\n\n\/**\n * SemanticExplorerController - Nutzdaten Explorer\n *\n * Zeigt Dokumente und Chunks aus Nextcloud (documents, chunks Tabellen).\n * Für Endnutzer - Coaching-Materialien, PDFs, später Mails.\n *\/\nclass SemanticExplorerController extends Controller\n{\n    private SemanticExplorerRepository $repository;\n\n    public function __construct()\n    {\n        $this->repository = new SemanticExplorerRepository();\n    }\n\n    \/**\n     * GET \/semantic-explorer\n     * Dashboard mit Statistiken\n     *\/\n    public function index(): void\n    {\n        $docStats = $this->repository->getDocumentStats();\n        $chunkStats = $this->repository->getChunkStats();\n        $documents = $this->repository->getDocuments();\n        $recentChunks = $this->repository->getRecentChunks(5);\n\n        $this->view('semantic-explorer.index', [\n            'title' => 'Semantic Explorer',\n            'docStats' => $docStats,\n            'chunkStats' => $chunkStats,\n            'documents' => $documents,\n            'recentChunks' => $recentChunks,\n        ]);\n    }\n\n    \/**\n     * GET \/semantic-explorer\/dokumente\n     * Liste aller Dokumente\n     *\/\n    public function dokumente(): void\n    {\n        $status = $_GET['status'] ?? '';\n        $search = $_GET['search'] ?? '';\n\n        $documents = $this->repository->getDocumentsFiltered($status, $search);\n\n        $this->view('semantic-explorer.dokumente.index', [\n            'title' => 'Dokumente',\n            'documents' => $documents,\n            'currentStatus' => $status,\n            'currentSearch' => $search,\n        ]);\n    }\n\n    \/**\n     * GET \/semantic-explorer\/dokumente\/{id}\n     * Dokument-Details mit Chunks\n     *\/\n    public function dokumentShow(int $id): void\n    {\n        $document = $this->repository->getDocument($id);\n\n        if ($document === null) {\n            http_response_code(404);\n            echo '404 - Dokument nicht gefunden';\n\n            return;\n        }\n\n        $chunks = $this->repository->getChunksForDocument($id);\n\n        \/\/ Heading-Paths dekodieren\n        foreach ($chunks as &$chunk) {\n            $chunk['heading_path_decoded'] = json_decode($chunk['heading_path'] ?? '[]', true) ?: [];\n            $chunk['metadata_decoded'] = json_decode($chunk['metadata'] ?? '{}', true) ?: [];\n        }\n\n        $this->view('semantic-explorer.dokumente.show', [\n            'title' => $document['filename'],\n            'document' => $document,\n            'chunks' => $chunks,\n        ]);\n    }\n\n    \/**\n     * GET \/semantic-explorer\/chunks\n     * Liste aller Chunks\n     *\/\n    public function chunks(): void\n    {\n        $search = $_GET['search'] ?? '';\n        $embedded = $_GET['embedded'] ?? '';\n        $page = max(1, (int) ($_GET['page'] ?? 1));\n        $limit = 50;\n        $offset = ($page - 1) * $limit;\n\n        $totalCount = $this->repository->getChunksCount($search, $embedded);\n        $chunks = $this->repository->getChunksFiltered($search, $embedded, $limit, $offset);\n\n        $this->view('semantic-explorer.chunks.index', [\n            'title' => 'Chunks',\n            'chunks' => $chunks,\n            'currentSearch' => $search,\n            'currentEmbedded' => $embedded,\n            'currentPage' => $page,\n            'totalCount' => $totalCount,\n            'totalPages' => ceil($totalCount \/ $limit),\n        ]);\n    }\n\n    \/**\n     * GET \/semantic-explorer\/chunks\/{id}\n     * Chunk-Details\n     *\/\n    public function chunkShow(int $id): void\n    {\n        $chunk = $this->repository->getChunk($id);\n\n        if ($chunk === null) {\n            http_response_code(404);\n            echo '404 - Chunk nicht gefunden';\n\n            return;\n        }\n\n        \/\/ JSON-Felder dekodieren\n        $chunk['heading_path_decoded'] = json_decode($chunk['heading_path'] ?? '[]', true) ?: [];\n        $chunk['metadata_decoded'] = json_decode($chunk['metadata'] ?? '{}', true) ?: [];\n\n        \/\/ Nachbar-Chunks\n        $prevChunk = $this->repository->getChunkByDocumentAndIndex(\n            $chunk['document_id'],\n            $chunk['chunk_index'] - 1\n        );\n        $nextChunk = $this->repository->getChunkByDocumentAndIndex(\n            $chunk['document_id'],\n            $chunk['chunk_index'] + 1\n        );\n\n        $this->view('semantic-explorer.chunks.show', [\n            'title' => 'Chunk #' . $chunk['id'],\n            'chunk' => $chunk,\n            'prevChunk' => $prevChunk,\n            'nextChunk' => $nextChunk,\n        ]);\n    }\n\n    \/**\n     * GET \/semantic-explorer\/suche\n     * Semantische Suche in Nutzdaten\n     *\/\n    public function suche(): void\n    {\n        $query = $_GET['q'] ?? '';\n        $limit = min(20, max(1, (int) ($_GET['limit'] ?? 10)));\n\n        $results = [];\n\n        if ($query !== '') {\n            \/\/ Vektor-Suche via Qdrant\n            $results = $this->vectorSearch($query, $limit);\n        }\n\n        $this->view('semantic-explorer.suche', [\n            'title' => 'Semantische Suche',\n            'query' => $query,\n            'results' => $results,\n            'limit' => $limit,\n        ]);\n    }\n\n    \/**\n     * Vektor-Suche in documents Collection\n     *\/\n    private function vectorSearch(string $query, int $limit): array\n    {\n        \/\/ Embedding generieren\n        $embedding = $this->getEmbedding($query);\n        if (empty($embedding)) {\n            return [];\n        }\n\n        \/\/ Qdrant suchen\n        $response = $this->qdrantSearch($embedding, $limit);\n        if (empty($response)) {\n            return [];\n        }\n\n        \/\/ Chunk-Details aus DB laden\n        $results = [];\n        foreach ($response as $point) {\n            $chunkId = $point['payload']['chunk_id'] ?? null;\n            if ($chunkId === null) {\n                continue;\n            }\n\n            $chunk = $this->repository->getChunkById($chunkId);\n\n            if ($chunk !== null) {\n                $chunk['score'] = $point['score'];\n                $chunk['heading_path_decoded'] = json_decode($chunk['heading_path'] ?? '[]', true) ?: [];\n                $results[] = $chunk;\n            }\n        }\n\n        return $results;\n    }\n\n    \/**\n     * Embedding via Ollama\n     *\/\n    private function getEmbedding(string $text): array\n    {\n        $ch = curl_init('http:\/\/localhost:11434\/api\/embeddings');\n        curl_setopt_array($ch, [\n            CURLOPT_RETURNTRANSFER => true,\n            CURLOPT_POST => true,\n            CURLOPT_HTTPHEADER => ['Content-Type: application\/json'],\n            CURLOPT_POSTFIELDS => json_encode([\n                'model' => 'mxbai-embed-large',\n                'prompt' => $text,\n            ]),\n        ]);\n\n        $response = curl_exec($ch);\n        curl_close($ch);\n\n        $data = json_decode($response, true);\n\n        return $data['embedding'] ?? [];\n    }\n\n    \/**\n     * Qdrant-Suche\n     *\/\n    private function qdrantSearch(array $embedding, int $limit): array\n    {\n        $ch = curl_init('http:\/\/localhost:6333\/collections\/documents\/points\/search');\n        curl_setopt_array($ch, [\n            CURLOPT_RETURNTRANSFER => true,\n            CURLOPT_POST => true,\n            CURLOPT_HTTPHEADER => ['Content-Type: application\/json'],\n            CURLOPT_POSTFIELDS => json_encode([\n                'vector' => $embedding,\n                'limit' => $limit,\n                'with_payload' => true,\n            ]),\n        ]);\n\n        $response = curl_exec($ch);\n        curl_close($ch);\n\n        $data = json_decode($response, true);\n\n        return $data['result'] ?? [];\n    }\n\n    \/**\n     * GET \/semantic-explorer\/entitaeten\n     * Liste aller Entitaeten\n     *\/\n    public function entitaeten(): void\n    {\n        $type = $_GET['type'] ?? '';\n        $search = $_GET['search'] ?? '';\n\n        $entities = $this->repository->getEntitiesFiltered($type, $search);\n        $stats = $this->repository->getEntityStats();\n\n        $this->view('semantic-explorer.entitaeten.index', [\n            'title' => 'Entitaeten',\n            'entities' => $entities,\n            'stats' => $stats,\n            'currentType' => $type,\n            'currentSearch' => $search,\n        ]);\n    }\n\n    \/**\n     * GET \/semantic-explorer\/entitaeten\/{id}\n     * Entitaet-Details\n     *\/\n    public function entitaetShow(int $id): void\n    {\n        $entity = $this->repository->getEntity($id);\n\n        if ($entity === null) {\n            http_response_code(404);\n            echo '404 - Entitaet nicht gefunden';\n\n            return;\n        }\n\n        $synonyms = $this->repository->getEntitySynonyms($id);\n        $outgoingRelations = $this->repository->getOutgoingRelations($id);\n        $incomingRelations = $this->repository->getIncomingRelations($id);\n        $chunks = $this->repository->getChunksForEntity($id);\n        $classifications = $this->repository->getEntityClassifications($id);\n\n        $this->view('semantic-explorer.entitaeten.show', [\n            'title' => $entity['name'],\n            'entity' => $entity,\n            'synonyms' => $synonyms,\n            'outgoingRelations' => $outgoingRelations,\n            'incomingRelations' => $incomingRelations,\n            'chunks' => $chunks,\n            'classifications' => $classifications,\n        ]);\n    }\n\n    \/**\n     * GET \/semantic-explorer\/relationen\n     * Beziehungen zwischen Entitaeten\n     *\/\n    public function relationen(): void\n    {\n        $type = $_GET['type'] ?? '';\n\n        $relations = $this->repository->getRelationsFiltered($type);\n        $relationTypes = $this->repository->getRelationTypes();\n        $stats = $this->repository->getRelationStats();\n\n        $this->view('semantic-explorer.relationen', [\n            'title' => 'Relationen',\n            'relations' => $relations,\n            'relationTypes' => $relationTypes,\n            'stats' => $stats,\n            'currentType' => $type,\n        ]);\n    }\n\n    \/**\n     * GET \/semantic-explorer\/taxonomie\n     * Hierarchische Kategorisierung\n     *\/\n    public function taxonomie()... [TRUNCATED-58ccedb7efd46c84]"
    }
}

Response

{
    "tool_response": {
        "type": "update",
        "filePath": "\/var\/www\/dev.campus.systemische-tools.de\/src\/Controller\/SemanticExplorerController.php",
        "content": "<?php\n\nnamespace Controller;\n\nuse Framework\\Controller;\nuse Infrastructure\\SemanticExplorerRepository;\n\n\/**\n * SemanticExplorerController - Nutzdaten Explorer\n *\n * Zeigt Dokumente und Chunks aus Nextcloud (documents, chunks Tabellen).\n * Für Endnutzer - Coaching-Materialien, PDFs, später Mails.\n *\/\nclass SemanticExplorerController extends Controller\n{\n    private SemanticExplorerRepository $repository;\n\n    public function __construct()\n    {\n        $this->repository = new SemanticExplorerRepository();\n    }\n\n    \/**\n     * GET \/semantic-explorer\n     * Dashboard mit Statistiken\n     *\/\n    public function index(): void\n    {\n        $docStats = $this->repository->getDocumentStats();\n        $chunkStats = $this->repository->getChunkStats();\n        $documents = $this->repository->getDocuments();\n        $recentChunks = $this->repository->getRecentChunks(5);\n\n        $this->view('semantic-explorer.index', [\n            'title' => 'Semantic Explorer',\n            'docStats' => $docStats,\n            'chunkStats' => $chunkStats,\n            'documents' => $documents,\n            'recentChunks' => $recentChunks,\n        ]);\n    }\n\n    \/**\n     * GET \/semantic-explorer\/dokumente\n     * Liste aller Dokumente\n     *\/\n    public function dokumente(): void\n    {\n        $status = $_GET['status'] ?? '';\n        $search = $_GET['search'] ?? '';\n\n        $documents = $this->repository->getDocumentsFiltered($status, $search);\n\n        $this->view('semantic-explorer.dokumente.index', [\n            'title' => 'Dokumente',\n            'documents' => $documents,\n            'currentStatus' => $status,\n            'currentSearch' => $search,\n        ]);\n    }\n\n    \/**\n     * GET \/semantic-explorer\/dokumente\/{id}\n     * Dokument-Details mit Chunks\n     *\/\n    public function dokumentShow(int $id): void\n    {\n        $document = $this->repository->getDocument($id);\n\n        if ($document === null) {\n            http_response_code(404);\n            echo '404 - Dokument nicht gefunden';\n\n            return;\n        }\n\n        $chunks = $this->repository->getChunksForDocument($id);\n\n        \/\/ Heading-Paths dekodieren\n        foreach ($chunks as &$chunk) {\n            $chunk['heading_path_decoded'] = json_decode($chunk['heading_path'] ?? '[]', true) ?: [];\n            $chunk['metadata_decoded'] = json_decode($chunk['metadata'] ?? '{}', true) ?: [];\n        }\n\n        $this->view('semantic-explorer.dokumente.show', [\n            'title' => $document['filename'],\n            'document' => $document,\n            'chunks' => $chunks,\n        ]);\n    }\n\n    \/**\n     * GET \/semantic-explorer\/chunks\n     * Liste aller Chunks\n     *\/\n    public function chunks(): void\n    {\n        $search = $_GET['search'] ?? '';\n        $embedded = $_GET['embedded'] ?? '';\n        $page = max(1, (int) ($_GET['page'] ?? 1));\n        $limit = 50;\n        $offset = ($page - 1) * $limit;\n\n        $totalCount = $this->repository->getChunksCount($search, $embedded);\n        $chunks = $this->repository->getChunksFiltered($search, $embedded, $limit, $offset);\n\n        $this->view('semantic-explorer.chunks.index', [\n            'title' => 'Chunks',\n            'chunks' => $chunks,\n            'currentSearch' => $search,\n            'currentEmbedded' => $embedded,\n            'currentPage' => $page,\n            'totalCount' => $totalCount,\n            'totalPages' => ceil($totalCount \/ $limit),\n        ]);\n    }\n\n    \/**\n     * GET \/semantic-explorer\/chunks\/{id}\n     * Chunk-Details\n     *\/\n    public function chunkShow(int $id): void\n    {\n        $chunk = $this->repository->getChunk($id);\n\n        if ($chunk === null) {\n            http_response_code(404);\n            echo '404 - Chunk nicht gefunden';\n\n            return;\n        }\n\n        \/\/ JSON-Felder dekodieren\n        $chunk['heading_path_decoded'] = json_decode($chunk['heading_path'] ?? '[]', true) ?: [];\n        $chunk['metadata_decoded'] = json_decode($chunk['metadata'] ?? '{}', true) ?: [];\n\n        \/\/ Nachbar-Chunks\n        $prevChunk = $this->repository->getChunkByDocumentAndIndex(\n            $chunk['document_id'],\n            $chunk['chunk_index'] - 1\n        );\n        $nextChunk = $this->repository->getChunkByDocumentAndIndex(\n            $chunk['document_id'],\n            $chunk['chunk_index'] + 1\n        );\n\n        $this->view('semantic-explorer.chunks.show', [\n            'title' => 'Chunk #' . $chunk['id'],\n            'chunk' => $chunk,\n            'prevChunk' => $prevChunk,\n            'nextChunk' => $nextChunk,\n        ]);\n    }\n\n    \/**\n     * GET \/semantic-explorer\/suche\n     * Semantische Suche in Nutzdaten\n     *\/\n    public function suche(): void\n    {\n        $query = $_GET['q'] ?? '';\n        $limit = min(20, max(1, (int) ($_GET['limit'] ?? 10)));\n\n        $results = [];\n\n        if ($query !== '') {\n            \/\/ Vektor-Suche via Qdrant\n            $results = $this->vectorSearch($query, $limit);\n        }\n\n        $this->view('semantic-explorer.suche', [\n            'title' => 'Semantische Suche',\n            'query' => $query,\n            'results' => $results,\n            'limit' => $limit,\n        ]);\n    }\n\n    \/**\n     * Vektor-Suche in documents Collection\n     *\/\n    private function vectorSearch(string $query, int $limit): array\n    {\n        \/\/ Embedding generieren\n        $embedding = $this->getEmbedding($query);\n        if (empty($embedding)) {\n            return [];\n        }\n\n        \/\/ Qdrant suchen\n        $response = $this->qdrantSearch($embedding, $limit);\n        if (empty($response)) {\n            return [];\n        }\n\n        \/\/ Chunk-Details aus DB laden\n        $results = [];\n        foreach ($response as $point) {\n            $chunkId = $point['payload']['chunk_id'] ?? null;\n            if ($chunkId === null) {\n                continue;\n            }\n\n            $chunk = $this->repository->getChunkById($chunkId);\n\n            if ($chunk !== null) {\n                $chunk['score'] = $point['score'];\n                $chunk['heading_path_decoded'] = json_decode($chunk['heading_path'] ?? '[]', true) ?: [];\n                $results[] = $chunk;\n            }\n        }\n\n        return $results;\n    }\n\n    \/**\n     * Embedding via Ollama\n     *\/\n    private function getEmbedding(string $text): array\n    {\n        $ch = curl_init('http:\/\/localhost:11434\/api\/embeddings');\n        curl_setopt_array($ch, [\n            CURLOPT_RETURNTRANSFER => true,\n            CURLOPT_POST => true,\n            CURLOPT_HTTPHEADER => ['Content-Type: application\/json'],\n            CURLOPT_POSTFIELDS => json_encode([\n                'model' => 'mxbai-embed-large',\n                'prompt' => $text,\n            ]),\n        ]);\n\n        $response = curl_exec($ch);\n        curl_close($ch);\n\n        $data = json_decode($response, true);\n\n        return $data['embedding'] ?? [];\n    }\n\n    \/**\n     * Qdrant-Suche\n     *\/\n    private function qdrantSearch(array $embedding, int $limit): array\n    {\n        $ch = curl_init('http:\/\/localhost:6333\/collections\/documents\/points\/search');\n        curl_setopt_array($ch, [\n            CURLOPT_RETURNTRANSFER => true,\n            CURLOPT_POST => true,\n            CURLOPT_HTTPHEADER => ['Content-Type: application\/json'],\n            CURLOPT_POSTFIELDS => json_encode([\n                'vector' => $embedding,\n                'limit' => $limit,\n                'with_payload' => true,\n            ]),\n        ]);\n\n        $response = curl_exec($ch);\n        curl_close($ch);\n\n        $data = json_decode($response, true);\n\n        return $data['result'] ?? [];\n    }\n\n    \/**\n     * GET \/semantic-explorer\/entitaeten\n     * Liste aller Entitaeten\n     *\/\n    public function entitaeten(): void\n    {\n        $type = $_GET['type'] ?? '';\n        $search = $_GET['search'] ?? '';\n\n        $entities = $this->repository->getEntitiesFiltered($type, $search);\n        $stats = $this->repository->getEntityStats();\n\n        $this->view('semantic-explorer.entitaeten.index', [\n            'title' => 'Entitaeten',\n            'entities' => $entities,\n            'stats' => $stats,\n            'currentType' => $type,\n            'currentSearch' => $search,\n        ]);\n    }\n\n    \/**\n     * GET \/semantic-explorer\/entitaeten\/{id}\n     * Entitaet-Details\n     *\/\n    public function entitaetShow(int $id): void\n    {\n        $entity = $this->repository->getEntity($id);\n\n        if ($entity === null) {\n            http_response_code(404);\n            echo '404 - Entitaet nicht gefunden';\n\n            return;\n        }\n\n        $synonyms = $this->repository->getEntitySynonyms($id);\n        $outgoingRelations = $this->repository->getOutgoingRelations($id);\n        $incomingRelations = $this->repository->getIncomingRelations($id);\n        $chunks = $this->repository->getChunksForEntity($id);\n        $classifications = $this->repository->getEntityClassifications($id);\n\n        $this->view('semantic-explorer.entitaeten.show', [\n            'title' => $entity['name'],\n            'entity' => $entity,\n            'synonyms' => $synonyms,\n            'outgoingRelations' => $outgoingRelations,\n            'incomingRelations' => $incomingRelations,\n            'chunks' => $chunks,\n            'classifications' => $classifications,\n        ]);\n    }\n\n    \/**\n     * GET \/semantic-explorer\/relationen\n     * Beziehungen zwischen Entitaeten\n     *\/\n    public function relationen(): void\n    {\n        $type = $_GET['type'] ?? '';\n\n        $relations = $this->repository->getRelationsFiltered($type);\n        $relationTypes = $this->repository->getRelationTypes();\n        $stats = $this->repository->getRelationStats();\n\n        $this->view('semantic-explorer.relationen', [\n            'title' => 'Relationen',\n            'relations' => $relations,\n            'relationTypes' => $relationTypes,\n            'stats' => $stats,\n            'currentType' => $type,\n        ]);\n    }\n\n    \/**\n     * GET \/semantic-explorer\/taxonomie\n     * Hierarchische Kategorisierung\n     *\/\n    public function taxonomie()... [TRUNCATED-58ccedb7efd46c84]",
        "structuredPatch": [
            {
                "oldStart": 3,
                "oldLines": 6,
                "newStart": 3,
                "newLines": 7,
                "lines": [
                    " namespace Controller;",
                    " ",
                    " use Framework\\Controller;",
                    "+use Infrastructure\\SemanticExplorerRepository;",
                    " ",
                    " \/**",
                    "  * SemanticExplorerController - Nutzdaten Explorer"
                ]
            },
            {
                "oldStart": 12,
                "oldLines": 80,
                "newStart": 13,
                "newLines": 24,
                "lines": [
                    "  *\/",
                    " class SemanticExplorerController extends Controller",
                    " {",
                    "-    private \\PDO $db;",
                    "+    private SemanticExplorerRepository $repository;",
                    " ",
                    "     public function __construct()",
                    "     {",
                    "-        $this->db = new \\PDO(",
                    "-            'mysql:host=localhost;dbname=ki_content;charset=utf8mb4',",
                    "-            'root',",
                    "-            $this->getPassword(),",
                    "-            [",
                    "-                \\PDO::ATTR_ERRMODE => \\PDO::ERRMODE_EXCEPTION,",
                    "-                \\PDO::ATTR_DEFAULT_FETCH_MODE => \\PDO::FETCH_ASSOC,",
                    "-            ]",
                    "-        );",
                    "+        $this->repository = new SemanticExplorerRepository();",
                    "     }",
                    " ",
                    "-    private function getPassword(): string",
                    "-    {",
                    "-        $file = '\/var\/www\/docs\/credentials\/credentials.md';",
                    "-        $content = file_get_contents($file);",
                    "-        foreach (explode(\"\\n\", $content) as $line) {",
                    "-            if (str_contains($line, 'MariaDB') && str_contains($line, 'root')) {",
                    "-                $parts = explode('|', $line);",
                    "-                if (count($parts) >= 4) {",
                    "-                    return trim($parts[3]);",
                    "-                }",
                    "-            }",
                    "-        }",
                    "-",
                    "-        return '';",
                    "-    }",
                    "-",
                    "     \/**",
                    "      * GET \/semantic-explorer",
                    "      * Dashboard mit Statistiken",
                    "      *\/",
                    "     public function index(): void",
                    "     {",
                    "-        \/\/ Dokument-Statistiken",
                    "-        $docStats = $this->db->query(",
                    "-            'SELECT",
                    "-                COUNT(*) as total,",
                    "-                SUM(CASE WHEN status = \"done\" THEN 1 ELSE 0 END) as processed,",
                    "-                SUM(CASE WHEN status = \"error\" THEN 1 ELSE 0 END) as errors",
                    "-             FROM documents'",
                    "-        )->fetch();",
                    "+        $docStats = $this->repository->getDocumentStats();",
                    "+        $chunkStats = $this->repository->getChunkStats();",
                    "+        $documents = $this->repository->getDocuments();",
                    "+        $recentChunks = $this->repository->getRecentChunks(5);",
                    " ",
                    "-        \/\/ Chunk-Statistiken",
                    "-        $chunkStats = $this->db->query(",
                    "-            'SELECT",
                    "-                COUNT(*) as total,",
                    "-                COALESCE(SUM(token_count), 0) as tokens,",
                    "-                SUM(CASE WHEN qdrant_id IS NOT NULL THEN 1 ELSE 0 END) as embedded",
                    "-             FROM chunks'",
                    "-        )->fetch();",
                    "-",
                    "-        \/\/ Dokumente",
                    "-        $documents = $this->db->query(",
                    "-            'SELECT d.id, d.filename, d.folder_path, d.mime_type, d.file_size,",
                    "-                    d.status, d.imported_at, d.processed_at,",
                    "-                    (SELECT COUNT(*) FROM chunks WHERE document_id = d.id) as chunk_count",
                    "-             FROM documents d",
                    "-             ORDER BY d.imported_at DESC'",
                    "-        )->fetchAll();",
                    "-",
                    "-        \/\/ Neueste Chunks",
                    "-        $recentChunks = $this->db->query(",
                    "-            'SELECT c.id, c.content, c.token_count, c.created_at, c.qdrant_id,",
                    "-                    d.filename",
                    "-             FROM chunks c",
                    "-             JOIN documents d ON c.document_id = d.id",
                    "-             ORDER BY c.created_at DESC",
                    "-             LIMIT 5'",
                    "-        )->fetchAll();",
                    "-",
                    "         $this->view('semantic-explorer.index', [",
                    "             'title' => 'Semantic Explorer',",
                    "             'docStats' => $docStats,"
                ]
            },
            {
                "oldStart": 104,
                "oldLines": 32,
                "newStart": 49,
                "newLines": 8,
                "lines": [
                    "         $status = $_GET['status'] ?? '';",
                    "         $search = $_GET['search'] ?? '';",
                    " ",
                    "-        $sql = 'SELECT d.id, d.filename, d.folder_path, d.source_path, d.mime_type,",
                    "-                       d.file_size, d.status, d.imported_at, d.processed_at, d.error_message,",
                    "-                       (SELECT COUNT(*) FROM chunks WHERE document_id = d.id) as chunk_count,",
                    "-                       (SELECT COALESCE(SUM(token_count), 0) FROM chunks WHERE document_id = d.id) as token_count",
                    "-                FROM documents d",
                    "-                WHERE 1=1';",
                    "+        $documents = $this->repository->getDocumentsFiltered($status, $search);",
                    " ",
                    "-        $params = [];",
                    "-",
                    "-        if ($status !== '') {",
                    "-            $sql .= ' AND d.status = :status';",
                    "-            $params['status'] = $status;",
                    "-        }",
                    "-",
                    "-        if ($search !== '') {",
                    "-            $sql .= ' AND (d.filename LIKE :search OR d.source_path LIKE :search2)';",
                    "-            $params['search'] = '%' . $search . '%';",
                    "-            $params['search2'] = '%' . $search . '%';",
                    "-        }",
                    "-",
                    "-        $sql .= ' ORDER BY d.imported_at DESC';",
                    "-",
                    "-        $stmt = $this->db->prepare($sql);",
                    "-        $stmt->execute($params);",
                    "-        $documents = $stmt->fetchAll();",
                    "-",
                    "         $this->view('semantic-explorer.dokumente.index', [",
                    "             'title' => 'Dokumente',",
                    "             'documents' => $documents,"
                ]
            },
            {
                "oldStart": 144,
                "oldLines": 27,
                "newStart": 65,
                "newLines": 16,
                "lines": [
                    "      *\/",
                    "     public function dokumentShow(int $id): void",
                    "     {",
                    "-        $stmt = $this->db->prepare('SELECT * FROM documents WHERE id = :id');",
                    "-        $stmt->execute(['id' => $id]);",
                    "-        $document = $stmt->fetch();",
                    "+        $document = $this->repository->getDocument($id);",
                    " ",
                    "-        if ($document === false) {",
                    "+        if ($document === null) {",
                    "             http_response_code(404);",
                    "             echo '404 - Dokument nicht gefunden';",
                    " ",
                    "             return;",
                    "         }",
                    " ",
                    "-        \/\/ Chunks dieses Dokuments",
                    "-        $stmt = $this->db->prepare(",
                    "-            'SELECT c.id, c.chunk_index, c.content, c.token_count, c.heading_path,",
                    "-                    c.metadata, c.qdrant_id, c.created_at",
                    "-             FROM chunks c",
                    "-             WHERE c.document_id = :id",
                    "-             ORDER BY c.chunk_index'",
                    "-        );",
                    "-        $stmt->execute(['id' => $id]);",
                    "-        $chunks = $stmt->fetchAll();",
                    "+        $chunks = $this->repository->getChunksForDocument($id);",
                    " ",
                    "         \/\/ Heading-Paths dekodieren",
                    "         foreach ($chunks as &$chunk) {"
                ]
            },
            {
                "oldStart": 191,
                "oldLines": 43,
                "newStart": 101,
                "newLines": 9,
                "lines": [
                    "         $limit = 50;",
                    "         $offset = ($page - 1) * $limit;",
                    " ",
                    "-        $sql = 'SELECT c.id, c.chunk_index, c.content, c.token_count, c.qdrant_id, c.created_at,",
                    "-                       d.filename, d.id as document_id",
                    "-                FROM chunks c",
                    "-                JOIN documents d ON c.document_id = d.id",
                    "-                WHERE 1=1';",
                    "+        $totalCount = $this->repository->getChunksCount($search, $embedded);",
                    "+        $chunks = $this->repository->getChunksFiltered($search, $embedded, $limit, $offset);",
                    " ",
                    "-        $countSql = 'SELECT COUNT(*) FROM chunks c",
                    "-                     JOIN documents d ON c.document_id = d.id",
                    "-                     WHERE 1=1';",
                    "-",
                    "-        $params = [];",
                    "-",
                    "-        if ($search !== '') {",
                    "-            $sql .= ' AND c.content LIKE :search';",
                    "-            $countSql .= ' AND c.content LIKE :search';",
                    "-            $params['search'] = '%' . $search . '%';",
                    "-        }",
                    "-",
                    "-        if ($embedded === 'yes') {",
                    "-            $sql .= ' AND c.qdrant_id IS NOT NULL';",
                    "-            $countSql .= ' AND c.qdrant_id IS NOT NULL';",
                    "-        } elseif ($embedded === 'no') {",
                    "-            $sql .= ' AND c.qdrant_id IS NULL';",
                    "-            $countSql .= ' AND c.qdrant_id IS NULL';",
                    "-        }",
                    "-",
                    "-        \/\/ Count total",
                    "-        $countStmt = $this->db->prepare($countSql);",
                    "-        $countStmt->execute($params);",
                    "-        $totalCount = $countStmt->fetchColumn();",
                    "-",
                    "-        $sql .= ' ORDER BY c.created_at DESC LIMIT ' . $limit . ' OFFSET ' . $offset;",
                    "-",
                    "-        $stmt = $this->db->prepare($sql);",
                    "-        $stmt->execute($params);",
                    "-        $chunks = $stmt->fetchAll();",
                    "-",
                    "         $this->view('semantic-explorer.chunks.index', [",
                    "             'title' => 'Chunks',",
                    "             'chunks' => $chunks,"
                ]
            },
            {
                "oldStart": 245,
                "oldLines": 16,
                "newStart": 121,
                "newLines": 9,
                "lines": [
                    "      *\/",
                    "     public function chunkShow(int $id): void",
                    "     {",
                    "-        $stmt = $this->db->prepare(",
                    "-            'SELECT c.*, d.filename, d.source_path, d.id as document_id",
                    "-             FROM chunks c",
                    "-             JOIN documents d ON c.document_id = d.id",
                    "-             WHERE c.id = :id'",
                    "-        );",
                    "-        $stmt->execute(['id' => $id]);",
                    "-        $chunk = $stmt->fetch();",
                    "+        $chunk = $this->repository->getChunk($id);",
                    " ",
                    "-        if ($chunk === false) {",
                    "+        if ($chunk === null) {",
                    "             http_response_code(404);",
                    "             echo '404 - Chunk nicht gefunden';",
                    " "
                ]
            },
            {
                "oldStart": 266,
                "oldLines": 19,
                "newStart": 135,
                "newLines": 14,
                "lines": [
                    "         $chunk['metadata_decoded'] = json_decode($chunk['metadata'] ?? '{}', true) ?: [];",
                    " ",
                    "         \/\/ Nachbar-Chunks",
                    "-        $stmt = $this->db->prepare(",
                    "-            'SELECT id, chunk_index FROM chunks",
                    "-             WHERE document_id = :doc_id AND chunk_index = :prev'",
                    "+        $prevChunk = $this->repository->getChunkByDocumentAndIndex(",
                    "+            $chunk['document_id'],",
                    "+            $chunk['chunk_index'] - 1",
                    "         );",
                    "-        $stmt->execute(['doc_id' => $chunk['document_id'], 'prev' => $chunk['chunk_index'] - 1]);",
                    "-        $prevChunk = $stmt->fetch();",
                    "-",
                    "-        $stmt = $this->db->prepare(",
                    "-            'SELECT id, chunk_index FROM chunks",
                    "-             WHERE document_id = :doc_id AND chunk_index = :next'",
                    "+        $nextChunk = $this->repository->getChunkByDocumentAndIndex(",
                    "+            $chunk['document_id'],",
                    "+            $chunk['chunk_index'] + 1",
                    "         );",
                    "-        $stmt->execute(['doc_id' => $chunk['document_id'], 'next' => $chunk['chunk_index'] + 1]);",
                    "-        $nextChunk = $stmt->fetch();",
                    " ",
                    "         $this->view('semantic-explorer.chunks.show', [",
                    "             'title' => 'Chunk #' . $chunk['id'],"
                ]
            },
            {
                "oldStart": 337,
                "oldLines": 16,
                "newStart": 201,
                "newLines": 9,
                "lines": [
                    "                 continue;",
                    "             }",
                    " ",
                    "-            $stmt = $this->db->prepare(",
                    "-                'SELECT c.*, d.filename, d.source_path",
                    "-                 FROM chunks c",
                    "-                 JOIN documents d ON c.document_id = d.id",
                    "-                 WHERE c.id = :id'",
                    "-            );",
                    "-            $stmt->execute(['id' => $chunkId]);",
                    "-            $chunk = $stmt->fetch();",
                    "+            $chunk = $this->repository->getChunkById($chunkId);",
                    " ",
                    "-            if ($chunk !== false) {",
                    "+            if ($chunk !== null) {",
                    "                 $chunk['score'] = $point['score'];",
                    "                 $chunk['heading_path_decoded'] = json_decode($chunk['heading_path'] ?? '[]', true) ?: [];",
                    "                 $results[] = $chunk;"
                ]
            },
            {
                "oldStart": 414,
                "oldLines": 38,
                "newStart": 271,
                "newLines": 9,
                "lines": [
                    "         $type = $_GET['type'] ?? '';",
                    "         $search = $_GET['search'] ?? '';",
                    " ",
                    "-        $sql = 'SELECT e.*,",
                    "-                       COUNT(DISTINCT ce.chunk_id) as chunk_count,",
                    "-                       COUNT(DISTINCT er.id) as relation_count",
                    "-                FROM entities e",
                    "-                LEFT JOIN chunk_entities ce ON e.id = ce.entity_id",
                    "-                LEFT JOIN entity_relations er ON e.id = er.source_entity_id OR e.id = er.target_entity_id",
                    "-                WHERE 1=1';",
                    "+        $entities = $this->repository->getEntitiesFiltered($type, $search);",
                    "+        $stats = $this->repository->getEntityStats();",
                    " ",
                    "-        $params = [];",
                    "-",
                    "-        if ($type !== '') {",
                    "-            $sql .= ' AND e.type = :type';",
                    "-            $params['type'] = $type;",
                    "-        }",
                    "-",
                    "-        if ($search !== '') {",
                    "-            $sql .= ' AND (e.name LIKE :search OR e.description LIKE :search2)';",
                    "-            $params['search'] = '%' . $search . '%';",
                    "-            $params['search2'] = '%' . $search . '%';",
                    "-        }",
                    "-",
                    "-        $sql .= ' GROUP BY e.id ORDER BY chunk_count DESC, e.name LIMIT 100';",
                    "-",
                    "-        $stmt = $this->db->prepare($sql);",
                    "-        $stmt->execute($params);",
                    "-        $entities = $stmt->fetchAll();",
                    "-",
                    "-        \/\/ Statistiken",
                    "-        $stats = $this->db->query(",
                    "-            'SELECT type, COUNT(*) as count FROM entities GROUP BY type'",
                    "-        )->fetchAll();",
                    "-",
                    "         $this->view('semantic-explorer.entitaeten.index', [",
                    "             'title' => 'Entitaeten',",
                    "             'entities' => $entities,"
                ]
            },
            {
                "oldStart": 461,
                "oldLines": 67,
                "newStart": 289,
                "newLines": 21,
                "lines": [
                    "      *\/",
                    "     public function entitaetShow(int $id): void",
                    "     {",
                    "-        $stmt = $this->db->prepare('SELECT * FROM entities WHERE id = :id');",
                    "-        $stmt->execute(['id' => $id]);",
                    "-        $entity = $stmt->fetch();",
                    "+        $entity = $this->repository->getEntity($id);",
                    " ",
                    "-        if ($entity === false) {",
                    "+        if ($entity === null) {",
                    "             http_response_code(404);",
                    "             echo '404 - Entitaet nicht gefunden';",
                    " ",
                    "             return;",
                    "         }",
                    " ",
                    "-        \/\/ Synonyme",
                    "-        $stmt = $this->db->prepare('SELECT * FROM entity_synonyms WHERE entity_id = :id');",
                    "-        $stmt->execute(['id' => $id]);",
                    "-        $synonyms = $stmt->fetchAll();",
                    "+        $synonyms = $this->repository->getEntitySynonyms($id);",
                    "+        $outgoingRelations = $this->repository->getOutgoingRelations($id);",
                    "+        $incomingRelations = $this->repository->getIncomingRelations($id);",
                    "+        $chunks = $this->repository->getChunksForEntity($id);",
                    "+        $classifications = $this->repository->getEntityClassifications($id);",
                    " ",
                    "-        \/\/ Relationen (ausgehend)",
                    "-        $stmt = $this->db->prepare(",
                    "-            'SELECT er.*, e.name as target_name, e.type as target_type",
                    "-             FROM entity_relations er",
                    "-             JOIN entities e ON er.target_entity_id = e.id",
                    "-             WHERE er.source_entity_id = :id",
                    "-             ORDER BY er.strength DESC'",
                    "-        );",
                    "-        $stmt->execute(['id' => $id]);",
                    "-        $outgoingRelations = $stmt->fetchAll();",
                    "-",
                    "-        \/\/ Relationen (eingehend)",
                    "-        $stmt = $this->db->prepare(",
                    "-            'SELECT er.*, e.name as source_name, e.type as source_type",
                    "-             FROM entity_relations er",
                    "-             JOIN entities e ON er.source_entity_id = e.id",
                    "-             WHERE er.target_entity_id = :id",
                    "-             ORDER BY er.strength DESC'",
                    "-        );",
                    "-        $stmt->execute(['id' => $id]);",
                    "-        $incomingRelations = $stmt->fetchAll();",
                    "-",
                    "-        \/\/ Chunks mit dieser Entitaet",
                    "-        $stmt = $this->db->prepare(",
                    "-            'SELECT c.id, c.content, c.token_count, d.filename, ce.relevance_score",
                    "-             FROM chunk_entities ce",
                    "-             JOIN chunks c ON ce.chunk_id = c.id",
                    "-             JOIN documents d ON c.document_id = d.id",
                    "-             WHERE ce.entity_id = :id",
                    "-             ORDER BY ce.relevance_score DESC",
                    "-             LIMIT 20'",
                    "-        );",
                    "-        $stmt->execute(['id' => $id]);",
                    "-        $chunks = $stmt->fetchAll();",
                    "-",
                    "-        \/\/ Ontologie-Klassen",
                    "-        $stmt = $this->db->prepare(",
                    "-            'SELECT oc.*, ec.confidence",
                    "-             FROM entity_classifications ec",
                    "-             JOIN ontology_classes oc ON ec.ontology_class_id = oc.id",
                    "-             WHERE ec.entity_id = :id'",
                    "-        );",
                    "-        $stmt->execute(['id' => $id]);",
                    "-        $classifications = $stmt->fetchAll();",
                    "-",
                    "         $this->view('semantic-explorer.entitaeten.show', [",
                    "             'title' => $entity['name'],",
                    "             'entity' => $entity,"
                ]
            },
            {
                "oldStart": 541,
                "oldLines": 43,
                "newStart": 323,
                "newLines": 10,
                "lines": [
                    "     {",
                    "         $type = $_GET['type'] ?? '';",
                    " ",
                    "-        $sql = 'SELECT er.*,",
                    "-                       es.name as source_name, es.type as source_type,",
                    "-                       et.name as target_name, et.type as target_type",
                    "-                FROM entity_relations er",
                    "-                JOIN entities es ON er.source_entity_id = es.id",
                    "-                JOIN entities et ON er.target_entity_id = et.id",
                    "-                WHERE 1=1';",
                    "+        $relations = $this->repository->getRelationsFiltered($type);",
                    "+        $relationTypes = $this->repository->getRelationTypes();",
                    "+        $stats = $this->repository->getRelationStats();",
                    " ",
                    "-        $params = [];",
                    "-",
                    "-        if ($type !== '') {",
                    "-            $sql .= ' AND er.relation_type = :type';",
                    "-            $params['type'] = $type;",
                    "-        }",
                    "-",
                    "-        $sql .= ' ORDER BY er.strength DESC LIMIT 100';",
                    "-",
                    "-        $stmt = $this->db->prepare($sql);",
                    "-        $stmt->execute($params);",
                    "-        $relations = $stmt->fetchAll();",
                    "-",
                    "-        \/\/ Relation-Typen",
                    "-        $relationTypes = $this->db->query(",
                    "-            'SELECT relation_type, COUNT(*) as count",
                    "-             FROM entity_relations",
                    "-             GROUP BY relation_type",
                    "-             ORDER BY count DESC'",
                    "-        )->fetchAll();",
                    "-",
                    "-        \/\/ Statistiken",
                    "-        $stats = $this->db->query(",
                    "-            'SELECT",
                    "-                (SELECT COUNT(*) FROM entity_relations) as total,",
                    "-                (SELECT COUNT(DISTINCT source_entity_id) FROM entity_relations) as sources,",
                    "-                (SELECT COUNT(DISTINCT target_entity_id) FROM entity_relations) as targets'",
                    "-        )->fetch();",
                    "-",
                    "         $this->view('semantic-explorer.relationen', [",
                    "             'title' => 'Relationen',",
                    "             'relations' => $relations,"
                ]
            },
            {
                "oldStart": 593,
                "oldLines": 29,
                "newStart": 342,
                "newLines": 10,
                "lines": [
                    "      *\/",
                    "     public function taxonomie(): void",
                    "     {",
                    "-        \/\/ Alle Terms mit Chunk-Counts",
                    "-        $terms = $this->db->query(",
                    "-            'SELECT t.*,",
                    "-                    COUNT(DISTINCT ct.chunk_id) as chunk_count,",
                    "-                    (SELECT COUNT(*) FROM taxonomy_terms WHERE parent_id = t.id) as children_count",
                    "-             FROM taxonomy_terms t",
                    "-             LEFT JOIN chunk_taxonomy ct ON t.id = ct.taxonomy_term_id",
                    "-             GROUP BY t.id",
                    "-             ORDER BY t.path, t.name'",
                    "-        )->fetchAll();",
                    "-",
                    "-        \/\/ Hierarchie aufbauen",
                    "+        $terms = $this->repository->getTaxonomyTerms();",
                    "         $hierarchy = $this->buildTaxonomyTree($terms);",
                    "+        $stats = $this->repository->getTaxonomyStats();",
                    " ",
                    "-        \/\/ Statistiken",
                    "-        $stats = $this->db->query(",
                    "-            'SELECT",
                    "-                (SELECT COUNT(*) FROM taxonomy_terms) as total_terms,",
                    "-                (SELECT COUNT(*) FROM taxonomy_terms WHERE parent_id IS NULL) as root_terms,",
                    "-                (SELECT MAX(depth) FROM taxonomy_terms) as max_depth,",
                    "-                (SELECT COUNT(DISTINCT chunk_id) FROM chunk_taxonomy) as tagged_chunks'",
                    "-        )->fetch();",
                    "-",
                    "         $this->view('semantic-explorer.taxonomie', [",
                    "             'title' => 'Taxonomie',",
                    "             'terms' => $terms,"
                ]
            },
            {
                "oldStart": 646,
                "oldLines": 29,
                "newStart": 376,
                "newLines": 14,
                "lines": [
                    "      *\/",
                    "     public function ontologie(): void",
                    "     {",
                    "-        \/\/ Alle Klassen mit Entity-Counts",
                    "-        $classes = $this->db->query(",
                    "-            'SELECT oc.*,",
                    "-                    COUNT(DISTINCT ec.entity_id) as entity_count,",
                    "-                    (SELECT COUNT(*) FROM ontology_classes WHERE parent_class_id = oc.id) as subclass_count",
                    "-             FROM ontology_classes oc",
                    "-             LEFT JOIN entity_classifications ec ON oc.id = ec.ontology_class_id",
                    "-             GROUP BY oc.id",
                    "-             ORDER BY oc.name'",
                    "-        )->fetchAll();",
                    "+        $classes = $this->repository->getOntologyClasses();",
                    " ",
                    "         \/\/ Properties dekodieren",
                    "         foreach ($classes as &$class) {",
                    "             $class['properties_decoded'] = json_decode($class['properties'] ?? '{}', true) ?: [];",
                    "         }",
                    " ",
                    "-        \/\/ Statistiken",
                    "-        $stats = $this->db->query(",
                    "-            'SELECT",
                    "-                (SELECT COUNT(*) FROM ontology_classes) as total_classes,",
                    "-                (SELECT COUNT(*) FROM ontology_classes WHERE parent_class_id IS NULL) as root_classes,",
                    "-                (SELECT COUNT(DISTINCT entity_id) FROM entity_classifications) as classified_entities'",
                    "-        )->fetch();",
                    "+        $stats = $this->repository->getOntologyStats();",
                    " ",
                    "         $this->view('semantic-explorer.ontologie', [",
                    "             'title' => 'Ontologie',"
                ]
            },
            {
                "oldStart": 688,
                "oldLines": 48,
                "newStart": 403,
                "newLines": 16,
                "lines": [
                    "         $limit = 50;",
                    "         $offset = ($page - 1) * $limit;",
                    " ",
                    "-        $sql = 'SELECT cs.*, c.content, c.token_count, d.filename, d.id as document_id",
                    "-                FROM chunk_semantics cs",
                    "-                JOIN chunks c ON cs.chunk_id = c.id",
                    "-                JOIN documents d ON c.document_id = d.id",
                    "-                WHERE 1=1';",
                    "+        $totalCount = $this->repository->getSemanticsCount($sentiment);",
                    "+        $semantics = $this->repository->getSemanticsFiltered($sentiment, $limit, $offset);",
                    " ",
                    "-        $countSql = 'SELECT COUNT(*) FROM chunk_semantics cs WHERE 1=1';",
                    "-        $params = [];",
                    "-",
                    "-        if ($sentiment !== '') {",
                    "-            $sql .= ' AND cs.sentiment = :sentiment';",
                    "-            $countSql .= ' AND cs.sentiment = :sentiment';",
                    "-            $params['sentiment'] = $sentiment;",
                    "-        }",
                    "-",
                    "-        \/\/ Count",
                    "-        $countStmt = $this->db->prepare($countSql);",
                    "-        $countStmt->execute($params);",
                    "-        $totalCount = $countStmt->fetchColumn();",
                    "-",
                    "-        $sql .= ' ORDER BY cs.analyzed_at DESC LIMIT ' . $limit . ' OFFSET ' . $offset;",
                    "-",
                    "-        $stmt = $this->db->prepare($sql);",
                    "-        $stmt->execute($params);",
                    "-        $semantics = $stmt->fetchAll();",
                    "-",
                    "         \/\/ JSON dekodieren",
                    "         foreach ($semantics as &$s) {",
                    "             $s['keywords_decoded'] = json_decode($s['keywords'] ?? '[]', true) ?: [];",
                    "             $s['topics_decoded'] = json_decode($s['topics'] ?? '[]', true) ?: [];",
                    "         }",
                    " ",
                    "-        \/\/ Statistiken",
                    "-        $stats = $this->db->query(",
                    "-            'SELECT",
                    "-                COUNT(*) as total,",
                    "-                SUM(CASE WHEN sentiment = \"positive\" THEN 1 ELSE 0 END) as positive,",
                    "-                SUM(CASE WHEN sentiment = \"negative\" THEN 1 ELSE 0 END) as negative,",
                    "-                SUM(CASE WHEN sentiment = \"neutral\" THEN 1 ELSE 0 END) as neutral,",
                    "-                SUM(CASE WHEN sentiment = \"mixed\" THEN 1 ELSE 0 END) as mixed",
                    "-             FROM chunk_semantics'",
                    "-        )->fetch();",
                    "+        $stats = $this->repository->getSemanticStats();",
                    " ",
                    "         $this->view('semantic-explorer.semantik', [",
                    "             'title' => 'Semantik',"
                ]
            }
        ],
        "originalFile": "<?php\n\nnamespace Controller;\n\nuse Framework\\Controller;\n\n\/**\n * SemanticExplorerController - Nutzdaten Explorer\n *\n * Zeigt Dokumente und Chunks aus Nextcloud (documents, chunks Tabellen).\n * Für Endnutzer - Coaching-Materialien, PDFs, später Mails.\n *\/\nclass SemanticExplorerController extends Controller\n{\n    private \\PDO $db;\n\n    public function __construct()\n    {\n        $this->db = new \\PDO(\n            'mysql:host=localhost;dbname=ki_content;charset=utf8mb4',\n            'root',\n            $this->getPassword(),\n            [\n                \\PDO::ATTR_ERRMODE => \\PDO::ERRMODE_EXCEPTION,\n                \\PDO::ATTR_DEFAULT_FETCH_MODE => \\PDO::FETCH_ASSOC,\n            ]\n        );\n    }\n\n    private function getPassword(): string\n    {\n        $file = '\/var\/www\/docs\/credentials\/credentials.md';\n        $content = file_get_contents($file);\n        foreach (explode(\"\\n\", $content) as $line) {\n            if (str_contains($line, 'MariaDB') && str_contains($line, 'root')) {\n                $parts = explode('|', $line);\n                if (count($parts) >= 4) {\n                    return trim($parts[3]);\n                }\n            }\n        }\n\n        return '';\n    }\n\n    \/**\n     * GET \/semantic-explorer\n     * Dashboard mit Statistiken\n     *\/\n    public function index(): void\n    {\n        \/\/ Dokument-Statistiken\n        $docStats = $this->db->query(\n            'SELECT\n                COUNT(*) as total,\n                SUM(CASE WHEN status = \"done\" THEN 1 ELSE 0 END) as processed,\n                SUM(CASE WHEN status = \"error\" THEN 1 ELSE 0 END) as errors\n             FROM documents'\n        )->fetch();\n\n        \/\/ Chunk-Statistiken\n        $chunkStats = $this->db->query(\n            'SELECT\n                COUNT(*) as total,\n                COALESCE(SUM(token_count), 0) as tokens,\n                SUM(CASE WHEN qdrant_id IS NOT NULL THEN 1 ELSE 0 END) as embedded\n             FROM chunks'\n        )->fetch();\n\n        \/\/ Dokumente\n        $documents = $this->db->query(\n            'SELECT d.id, d.filename, d.folder_path, d.mime_type, d.file_size,\n                    d.status, d.imported_at, d.processed_at,\n                    (SELECT COUNT(*) FROM chunks WHERE document_id = d.id) as chunk_count\n             FROM documents d\n             ORDER BY d.imported_at DESC'\n        )->fetchAll();\n\n        \/\/ Neueste Chunks\n        $recentChunks = $this->db->query(\n            'SELECT c.id, c.content, c.token_count, c.created_at, c.qdrant_id,\n                    d.filename\n             FROM chunks c\n             JOIN documents d ON c.document_id = d.id\n             ORDER BY c.created_at DESC\n             LIMIT 5'\n        )->fetchAll();\n\n        $this->view('semantic-explorer.index', [\n            'title' => 'Semantic Explorer',\n            'docStats' => $docStats,\n            'chunkStats' => $chunkStats,\n            'documents' => $documents,\n            'recentChunks' => $recentChunks,\n        ]);\n    }\n\n    \/**\n     * GET \/semantic-explorer\/dokumente\n     * Liste aller Dokumente\n     *\/\n    public function dokumente(): void\n    {\n        $status = $_GET['status'] ?? '';\n        $search = $_GET['search'] ?? '';\n\n        $sql = 'SELECT d.id, d.filename, d.folder_path, d.source_path, d.mime_type,\n                       d.file_size, d.status, d.imported_at, d.processed_at, d.error_message,\n                       (SELECT COUNT(*) FROM chunks WHERE document_id = d.id) as chunk_count,\n                       (SELECT COALESCE(SUM(token_count), 0) FROM chunks WHERE document_id = d.id) as token_count\n                FROM documents d\n                WHERE 1=1';\n\n        $params = [];\n\n        if ($status !== '') {\n            $sql .= ' AND d.status = :status';\n            $params['status'] = $status;\n        }\n\n        if ($search !== '') {\n            $sql .= ' AND (d.filename LIKE :search OR d.source_path LIKE :search2)';\n            $params['search'] = '%' . $search . '%';\n            $params['search2'] = '%' . $search . '%';\n        }\n\n        $sql .= ' ORDER BY d.imported_at DESC';\n\n        $stmt = $this->db->prepare($sql);\n        $stmt->execute($params);\n        $documents = $stmt->fetchAll();\n\n        $this->view('semantic-explorer.dokumente.index', [\n            'title' => 'Dokumente',\n            'documents' => $documents,\n            'currentStatus' => $status,\n            'currentSearch' => $search,\n        ]);\n    }\n\n    \/**\n     * GET \/semantic-explorer\/dokumente\/{id}\n     * Dokument-Details mit Chunks\n     *\/\n    public function dokumentShow(int $id): void\n    {\n        $stmt = $this->db->prepare('SELECT * FROM documents WHERE id = :id');\n        $stmt->execute(['id' => $id]);\n        $document = $stmt->fetch();\n\n        if ($document === false) {\n            http_response_code(404);\n            echo '404 - Dokument nicht gefunden';\n\n            return;\n        }\n\n        \/\/ Chunks dieses Dokuments\n        $stmt = $this->db->prepare(\n            'SELECT c.id, c.chunk_index, c.content, c.token_count, c.heading_path,\n                    c.metadata, c.qdrant_id, c.created_at\n             FROM chunks c\n             WHERE c.document_id = :id\n             ORDER BY c.chunk_index'\n        );\n        $stmt->execute(['id' => $id]);\n        $chunks = $stmt->fetchAll();\n\n        \/\/ Heading-Paths dekodieren\n        foreach ($chunks as &$chunk) {\n            $chunk['heading_path_decoded'] = json_decode($chunk['heading_path'] ?? '[]', true) ?: [];\n            $chunk['metadata_decoded'] = json_decode($chunk['metadata'] ?? '{}', true) ?: [];\n        }\n\n        $this->view('semantic-explorer.dokumente.show', [\n            'title' => $document['filename'],\n            'document' => $document,\n            'chunks' => $chunks,\n        ]);\n    }\n\n    \/**\n     * GET \/semantic-explorer\/chunks\n     * Liste aller Chunks\n     *\/\n    public function chunks(): void\n    {\n        $search = $_GET['search'] ?? '';\n        $embedded = $_GET['embedded'] ?? '';\n        $page = max(1, (int) ($_GET['page'] ?? 1));\n        $limit = 50;\n        $offset = ($page - 1) * $limit;\n\n        $sql = 'SELECT c.id, c.chunk_index, c.content, c.token_count, c.qdrant_id, c.created_at,\n                       d.filename, d.id as document_id\n                FROM chunks c\n                JOIN documents d ON c.document_id = d.id\n                WHERE 1=1';\n\n        $countSql = 'SELECT COUNT(*) FROM chunks c\n                     JOIN documents d ON c.document_id = d.id\n                     WHERE 1=1';\n\n        $params = [];\n\n        if ($search !== '') {\n            $sql .= ' AND c.content LIKE :search';\n            $countSql .= ' AND c.content LIKE :search';\n            $params['search'] = '%' . $search . '%';\n        }\n\n        if ($embedded === 'yes') {\n            $sql .= ' AND c.qdrant_id IS NOT NULL';\n            $countSql .= ' AND c.qdrant_id IS NOT NULL';\n        } elseif ($embedded === 'no') {\n            $sql .= ' AND c.qdrant_id IS NULL';\n            $countSql .= ' AND c.qdrant_id IS NULL';\n        }\n\n        \/\/ Count total\n        $countStmt = $this->db->prepare($countSql);\n        $countStmt->execute($params);\n        $totalCount = $countStmt->fetchColumn();\n\n        $sql .= ' ORDER BY c.created_at DESC LIMIT ' . $limit . ' OFFSET ' . $offset;\n\n        $stmt = $this->db->prepare($sql);\n        $stmt->execute($params);\n        $chunks = $stmt->fetchAll();\n\n        $this->view('semantic-explorer.chunks.index', [\n            'title' => 'Chunks',\n            'chunks' => $chunks,\n            'currentSearch' => $search,\n            'currentEmbedded' => $embedded,\n            'currentPage' => $page,\n            'totalCount' => $totalCount,\n            'totalPages' => ceil($totalCount \/ $limit),\n        ]);\n    }\n\n    \/**\n     * GET \/semantic-explorer\/chunks\/{id}\n     * Chunk-Details\n     *\/\n    public function chunkShow(int $id): void\n    {\n        $stmt = $this->db->prepare(\n            'SELECT c.*, d.filename, d.source_path, d.id as document_id\n             FROM chunks c\n             JOIN documents d ON c.document_id = d.id\n             WHERE c.id = :id'\n        );\n        $stmt->execute(['id' => $id]);\n        $chunk = $stmt->fetch();\n\n        if ($chunk === false) {\n            http_response_code(404);\n            echo '404 - Chunk nicht gefunden';\n\n            return;\n        }\n\n        \/\/ JSON-Felder dekodieren\n        $chunk['heading_path_decoded'] = json_decode($chunk['heading_path'] ?? '[]', true) ?: [];\n        $chunk['metadata_decoded'] = json_decode($chunk['metadata'] ?? '{}', true) ?: [];\n\n        \/\/ Nachbar-Chunks\n        $stmt = $this->db->prepare(\n            'SELECT id, chunk_index FROM chunks\n             WHERE document_id = :doc_id AND chunk_index = :prev'\n        );\n        $stmt->execute(['doc_id' => $chunk['document_id'], 'prev' => $chunk['chunk_index'] - 1]);\n        $prevChunk = $stmt->fetch();\n\n        $stmt = $this->db->prepare(\n            'SELECT id, chunk_index FROM chunks\n             WHERE document_id = :doc_id AND chunk_index = :next'\n        );\n        $stmt->execute(['doc_id' => $chunk['document_id'], 'next' => $chunk['chunk_index'] + 1]);\n        $nextChunk = $stmt->fetch();\n\n        $this->view('semantic-explorer.chunks.show', [\n            'title' => 'Chunk #' . $chunk['id'],\n            'chunk' => $chunk,\n            'prevChunk' => $prevChunk,\n            'nextChunk' => $nextChunk,\n        ]);\n    }\n\n    \/**\n     * GET \/semantic-explorer\/suche\n     * Semantische Suche in Nutzdaten\n     *\/\n    public function suche(): void\n    {\n        $query = $_GET['q'] ?? '';\n        $limit = min(20, max(1, (int) ($_GET['limit'] ?? 10)));\n\n        $results = [];\n\n        if ($query !== '') {\n            \/\/ Vektor-Suche via Qdrant\n            $results = $this->vectorSearch($query, $limit);\n        }\n\n        $this->view('semantic-explorer.suche', [\n            'title' => 'Semantische Suche',\n            'query' => $query,\n            'results' => $results,\n            'limit' => $limit,\n        ]);\n    }\n\n    \/**\n     * Vektor-Suche in... [TRUNCATED-c09ecc2cb5a8fff7]"
    }
}
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