Protokoll #3975

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        "originalFile": "<?php\n\nnamespace Controller;\n\nuse Domain\\ValueObject\\Pagination;\nuse Framework\\Controller;\nuse Infrastructure\\Config\\DatabaseFactory;\n\n\/**\n * ProtokollController - KI-Protokoll Ansicht\n *\n * Zeigt KI-Interaktionen aus ki_dev.protokoll.\n * Nur Lesen, kein Erstellen\/Bearbeiten.\n *\/\nclass ProtokollController extends Controller\n{\n    private \\PDO $db;\n\n    public function __construct()\n    {\n        $this->db = DatabaseFactory::dev();\n    }\n\n    \/**\n     * GET \/protokoll\n     * Liste aller Protokoll-Einträge\n     *\/\n    public function index(): void\n    {\n        \/\/ Statistiken\n        $stats = $this->db->query(\n            'SELECT\n                COUNT(*) as total,\n                SUM(CASE WHEN status = \"completed\" THEN 1 ELSE 0 END) as completed,\n                SUM(CASE WHEN status = \"error\" THEN 1 ELSE 0 END) as errors,\n                COALESCE(SUM(tokens_total), 0) as tokens_total,\n                COALESCE(SUM(duration_ms), 0) as duration_total\n             FROM protokoll'\n        )->fetch();\n\n        \/\/ Einträge mit Pagination\n        $pagination = Pagination::fromRequest(50);\n\n        $search = $this->getString('search');\n        $status = $this->getString('status');\n        $model = $this->getString('model');\n\n        $sql = 'SELECT id, timestamp, client_name, model_name, status, tokens_total, duration_ms,\n                       LEFT(request, 200) as request_preview\n                FROM protokoll WHERE 1=1';\n        $countSql = 'SELECT COUNT(*) FROM protokoll WHERE 1=1';\n        $params = [];\n\n        if ($search !== '') {\n            $sql .= ' AND (request LIKE :search OR response LIKE :search2 OR client_name LIKE :search3)';\n            $countSql .= ' AND (request LIKE :search OR response LIKE :search2 OR client_name LIKE :search3)';\n            $params['search'] = '%' . $search . '%';\n            $params['search2'] = '%' . $search . '%';\n            $params['search3'] = '%' . $search . '%';\n        }\n\n        if ($status !== '') {\n            $sql .= ' AND status = :status';\n            $countSql .= ' AND status = :status';\n            $params['status'] = $status;\n        }\n\n        if ($model !== '') {\n            $sql .= ' AND model_name = :model';\n            $countSql .= ' AND model_name = :model';\n            $params['model'] = $model;\n        }\n\n        \/\/ Total count\n        $countStmt = $this->db->prepare($countSql);\n        $countStmt->execute($params);\n        $totalCount = (int) $countStmt->fetchColumn();\n        $pagination = $pagination->withTotal($totalCount);\n\n        \/\/ Fetch entries\n        $sql .= ' ORDER BY timestamp DESC LIMIT :limit OFFSET :offset';\n        $stmt = $this->db->prepare($sql);\n        foreach ($params as $key => $value) {\n            $stmt->bindValue(':' . $key, $value);\n        }\n        $stmt->bindValue(':limit', $pagination->limit, \\PDO::PARAM_INT);\n        $stmt->bindValue(':offset', $pagination->offset, \\PDO::PARAM_INT);\n        $stmt->execute();\n        $entries = $stmt->fetchAll();\n\n        \/\/ Modelle für Filter\n        $models = $this->db->query(\n            'SELECT DISTINCT model_name FROM protokoll WHERE model_name IS NOT NULL ORDER BY model_name'\n        )->fetchAll(\\PDO::FETCH_COLUMN);\n\n        $this->view('protokoll.index', [\n            'title' => 'KI-Protokoll',\n            'stats' => $stats,\n            'entries' => $entries,\n            'models' => $models,\n            'currentSearch' => $search,\n            'currentStatus' => $status,\n            'currentModel' => $model,\n            'currentPage' => $pagination->page,\n            'totalCount' => $pagination->totalCount,\n            'totalPages' => $pagination->totalPages(),\n        ]);\n    }\n\n    \/**\n     * GET \/protokoll\/{id}\n     * Detail-Ansicht eines Eintrags\n     *\/\n    public function show(string $id): void\n    {\n        $stmt = $this->db->prepare('SELECT * FROM protokoll WHERE id = :id');\n        $stmt->execute(['id' => (int) $id]);\n        $entry = $stmt->fetch();\n\n        if ($entry === false) {\n            $this->notFound('Protokoll-Eintrag nicht gefunden');\n        }\n\n        \/\/ Request\/Response als formatiertes JSON\n        $entry['request_formatted'] = $this->formatJson($entry['request']);\n        $entry['response_formatted'] = $this->formatJson($entry['response']);\n\n        \/\/ Nachbar-Einträge für Navigation\n        $stmt = $this->db->prepare('SELECT id FROM protokoll WHERE id < :id ORDER BY id DESC LIMIT 1');\n        $stmt->execute(['id' => (int) $id]);\n        $prevEntry = $stmt->fetch();\n\n        $stmt = $this->db->prepare('SELECT id FROM protokoll WHERE id > :id ORDER BY id ASC LIMIT 1');\n        $stmt->execute(['id' => (int) $id]);\n        $nextEntry = $stmt->fetch();\n\n        $this->view('protokoll.show', [\n            'title' => 'Protokoll #' . $id,\n            'entry' => $entry,\n            'prevEntry' => $prevEntry,\n            'nextEntry' => $nextEntry,\n        ]);\n    }\n\n    \/**\n     * JSON formatieren für Anzeige\n     *\/\n    private function formatJson(?string $json): string\n    {\n        if ($json === null || $json === '') {\n            return '-';\n        }\n\n        $decoded = json_decode($json, true);\n        if ($decoded === null) {\n            return htmlspecialchars($json);\n        }\n\n        return json_encode($decoded, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);\n    }\n}\n",
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