{
"tool_response": {
"filePath": "\/var\/www\/dev.campus.systemische-tools.de\/src\/UseCases\/Chat\/UpdateChatSessionUseCase.php",
"oldString": " $title = mb_substr($title, 0, 100);\n $this->sessionRepo->updateTitle($sessionId, $title);",
"newString": " $title = mb_substr($title, 0, Constants::NAME_MAX_LENGTH);\n $this->sessionRepo->updateTitle($sessionId, $title);",
"originalFile": "<?php\n\ndeclare(strict_types=1);\n\nnamespace UseCases\\Chat;\n\n\/\/ @responsibility: Updates chat session data\n\nuse Domain\\Constants;\nuse Domain\\Entity\\ChatSession;\nuse Domain\\Repository\\ChatSessionRepositoryInterface;\nuse Domain\\Repository\\CollectionRepositoryInterface;\nuse Domain\\Repository\\ContentConfigRepositoryInterface;\nuse Domain\\Service\\ModelRegistryInterface;\nuse Infrastructure\\Validation\\CollectionValidator;\n\nfinal class UpdateChatSessionUseCase implements UpdateChatSessionUseCaseInterface\n{\n public function __construct(\n private ChatSessionRepositoryInterface $sessionRepo,\n private ContentConfigRepositoryInterface $configRepo,\n private CollectionRepositoryInterface $collectionRepo,\n private CollectionValidator $collectionValidator,\n private ModelRegistryInterface $modelRegistry,\n private \\PDO $pdoDev\n ) {\n }\n\n public function updateTitle(int $sessionId, string $title): string\n {\n $title = trim($title);\n\n if ($title === '') {\n $title = 'Neuer Chat';\n }\n\n $title = mb_substr($title, 0, 100);\n $this->sessionRepo->updateTitle($sessionId, $title);\n\n return $title;\n }\n\n public function updateSettings(\n int $sessionId,\n string $model,\n array $collections,\n int $contextLimit,\n int $authorProfileId,\n float $temperature,\n int $maxTokens\n ): void {\n $model = $this->modelRegistry->isValid($model) ? $model : $this->modelRegistry->getDefaultChatModel();\n $collections = $this->validateCollections($collections);\n $contextLimit = $this->validateContextLimit($contextLimit);\n $authorProfileId = $this->validateAuthorProfileId($authorProfileId);\n $temperature = $this->validateTemperature($temperature);\n $maxTokens = $this->validateMaxTokens($maxTokens);\n\n $this->sessionRepo->updateSettings(\n $sessionId,\n $model,\n $collections,\n $contextLimit,\n $authorProfileId > 0 ? $authorProfileId : null,\n $temperature,\n $maxTokens\n );\n }\n\n public function updateSystemPrompt(int $sessionId, string $systemPrompt): ChatSessionResult\n {\n $maxLength = 2000;\n $wasTruncated = mb_strlen($systemPrompt) > $maxLength;\n $systemPrompt = trim(mb_substr($systemPrompt, 0, $maxLength));\n\n $this->logSystemPromptChange($systemPrompt, $wasTruncated);\n $this->sessionRepo->updateSystemPrompt($sessionId, $systemPrompt);\n\n return ChatSessionResult::success('System-Prompt gespeichert.');\n }\n\n public function settingsHaveChanged(\n ChatSession $session,\n string $model,\n array $collections,\n int $contextLimit,\n int $authorProfileId,\n float $temperature,\n int $maxTokens\n ): bool {\n return $model !== $session->getModel()\n || $collections !== $session->getCollections()\n || $contextLimit !== $session->getContextLimit()\n || $authorProfileId !== ($session->getAuthorProfileId() ?? 0)\n || $temperature !== $session->getTemperature()\n || $maxTokens !== $session->getMaxTokens();\n }\n\n public function validateCollectionCompatibility(array $collectionIds): array\n {\n if (empty($collectionIds)) {\n return ['valid' => true, 'error' => null];\n }\n\n $result = $this->collectionValidator->validateSelection($collectionIds);\n\n return [\n 'valid' => $result->isValid(),\n 'error' => $result->getError(),\n ];\n }\n\n private function validateCollections(array|string $collections): array\n {\n $availableIds = array_column($this->collectionRepo->getSearchable(), 'collection_id');\n\n if (is_string($collections)) {\n $collections = [$collections];\n }\n\n $valid = array_filter($collections, fn ($c) => in_array($c, $availableIds, true));\n\n return array_values($valid);\n }\n\n private function validateContextLimit(int $limit): int\n {\n $allowedLimits = [3, 5, 10, 15];\n\n return in_array($limit, $allowedLimits, true) ? $limit : 5;\n }\n\n private function validateAuthorProfileId(int $profileId): int\n {\n if ($profileId === 0) {\n return 0;\n }\n\n $profile = $this->configRepo->getAuthorProfile($profileId);\n\n return $profile !== null ? $profileId : 0;\n }\n\n private function validateTemperature(float $temperature): float\n {\n return max(0.0, min(1.0, $temperature));\n }\n\n private function validateMaxTokens(int $maxTokens): int\n {\n $allowedValues = [1024, 2048, 4096, 8192];\n\n return in_array($maxTokens, $allowedValues, true) ? $maxTokens : 4096;\n }\n\n private function logSystemPromptChange(string $prompt, bool $wasTruncated): void\n {\n $logData = [\n 'prompt_length' => mb_strlen($prompt),\n 'truncated' => $wasTruncated,\n 'ip' => $_SERVER['REMOTE_ADDR'] ?? 'unknown',\n 'timestamp' => date('c'),\n ];\n\n try {\n $stmt = $this->pdoDev->prepare(\n \"INSERT INTO mcp_log (tool, operation, parameters, result, logged_at)\n VALUES ('chat', 'system_prompt_change', :params, 'logged', NOW())\"\n );\n $stmt->execute(['params' => json_encode($logData)]);\n } catch (\\Exception $e) {\n \/\/ Silently fail\n }\n }\n}\n",
"structuredPatch": [
{
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"newStart": 34,
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"lines": [
" $title = 'Neuer Chat';",
" }",
" ",
"- $title = mb_substr($title, 0, 100);",
"+ $title = mb_substr($title, 0, Constants::NAME_MAX_LENGTH);",
" $this->sessionRepo->updateTitle($sessionId, $title);",
" ",
" return $title;"
]
}
],
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}