{
"tool_response": {
"filePath": "\/var\/www\/dev.campus.systemische-tools.de\/src\/Controller\/ChatController.php",
"oldString": " \/**\n * Streaming message endpoint with SSE progress events\n *\/\n public function messageStream(string $uuid): void\n {\n $session = $this->getSessionUseCase->getSession($uuid);\n\n if ($session === null) {\n $this->sseError('Session nicht gefunden.');\n\n return;\n }\n\n $sessionId = $session->getId() ?? 0;\n $question = trim($_POST['message'] ?? '');\n $requestedModel = $_POST['model'] ?? $session->getModel();\n $model = $this->modelRegistry->isValid($requestedModel)\n ? $requestedModel\n : $this->modelRegistry->getDefaultChatModel();\n $sessionCollections = $session->getCollections();\n $collections = $_POST['collections'] ?? $sessionCollections;\n $contextLimit = (int) ($_POST['context_limit'] ?? $session->getContextLimit());\n $authorProfileId = (int) ($_POST['author_profile_id'] ?? $session->getAuthorProfileId() ?? 0);\n $systemPromptId = (int) ($_POST['system_prompt_id'] ?? $session->getSystemPromptId() ?? 1);\n $structureId = (int) ($_POST['structure_id'] ?? 0);\n $temperature = (float) ($_POST['temperature'] ?? $session->getTemperature());\n $maxTokens = (int) ($_POST['max_tokens'] ?? $session->getMaxTokens());\n\n if ($this->updateSessionUseCase->settingsHaveChanged($session, $model, $collections, $contextLimit, $authorProfileId, $temperature, $maxTokens)) {\n $this->updateSessionUseCase->updateSettings($sessionId, $model, $collections, $contextLimit, $authorProfileId, $temperature, $maxTokens);\n }\n\n if ($question === '') {\n $this->sseError('Bitte gib eine Frage ein.');\n\n return;\n }\n\n if (!empty($collections)) {\n $compatibility = $this->updateSessionUseCase->validateCollectionCompatibility($collections);\n if (!$compatibility['valid']) {\n $this->sseError('Collection-Fehler: ' . $compatibility['error']);\n\n return;\n }\n }\n\n $qualityCheck = isset($_POST['quality_check']) && $_POST['quality_check'] === '1';\n\n \/\/ Setup SSE headers - critical for streaming\n header('Content-Type: text\/event-stream; charset=utf-8');\n header('Cache-Control: no-cache, no-store, must-revalidate');\n header('Pragma: no-cache');\n header('Connection: keep-alive');\n header('X-Accel-Buffering: no');\n header('Content-Encoding: none');\n\n \/\/ Disable ALL output buffering\n if (function_exists('apache_setenv')) {\n apache_setenv('no-gzip', '1');\n }\n @ini_set('zlib.output_compression', '0');\n @ini_set('implicit_flush', '1');\n @ini_set('output_buffering', '0');\n while (ob_get_level()) {\n ob_end_clean();\n }\n ob_implicit_flush(true);\n\n \/\/ Send 4KB padding to force buffer flush (browsers need minimum bytes)\n echo ':' . str_repeat(' ', 4096) . \"\\n\\n\";\n flush();\n\n \/\/ Set progress callback - send padding after each event to force flush\n $this->streamingUseCase->setProgressCallback(function (string $step, string $message, ?int $durationMs) {\n $timestamp = (new \\DateTime())->format('H:i:s.v');\n $data = [\n 'ts' => $timestamp,\n 'step' => $step,\n 'msg' => $message,\n 'ms' => $durationMs,\n ];\n echo \"event: progress\\n\";\n echo 'data: ' . json_encode($data, JSON_UNESCAPED_UNICODE) . \"\\n\\n\";\n \/\/ Force buffer flush with padding (Apache\/proxy buffering workaround)\n echo ':' . str_repeat(' ', 4096) . \"\\n\";\n flush();\n });\n\n \/\/ Execute with streaming",
"newString": " \/**\n * Streaming message endpoint with SSE progress events\n *\/\n public function messageStream(string $uuid): void\n {\n $session = $this->getSessionUseCase->getSession($uuid);\n\n if ($session === null) {\n $this->sseError('Session nicht gefunden.');\n\n return;\n }\n\n $params = $this->extractChatParams($session);\n $this->updateSessionIfChanged(\n $session,\n $params['model'],\n $params['collections'],\n $params['contextLimit'],\n $params['authorProfileId'],\n $params['temperature'],\n $params['maxTokens']\n );\n\n if ($params['question'] === '') {\n $this->sseError('Bitte gib eine Frage ein.');\n\n return;\n }\n\n $validation = $this->validateCollections($params['collections']);\n if (!$validation['valid']) {\n $this->sseError('Collection-Fehler: ' . $validation['error']);\n\n return;\n }\n\n $this->setupSseStream();\n $this->setupProgressCallback();\n\n \/\/ Execute with streaming",
"originalFile": "<?php\n\ndeclare(strict_types=1);\n\nnamespace Controller;\n\n\/\/ @responsibility: HTTP-Endpunkte für KI-Chat (Sessions, Nachrichten, Export)\n\nuse Domain\\Factory\\ChatSessionFactory;\nuse Domain\\Service\\ModelRegistryInterface;\nuse Framework\\Controller;\nuse Infrastructure\\Formatting\\ChatMessageFormatter;\nuse UseCases\\Chat\\CreateChatSessionUseCaseInterface;\nuse UseCases\\Chat\\DeleteChatSessionUseCaseInterface;\nuse UseCases\\Chat\\ExportChatSessionUseCase;\nuse UseCases\\Chat\\GetChatSessionUseCaseInterface;\nuse UseCases\\Chat\\SendChatMessageUseCase;\nuse UseCases\\Chat\\StreamingChatMessageUseCase;\nuse UseCases\\Chat\\UpdateChatSessionUseCaseInterface;\n\nclass ChatController extends Controller\n{\n public function __construct(\n private CreateChatSessionUseCaseInterface $createSessionUseCase,\n private GetChatSessionUseCaseInterface $getSessionUseCase,\n private UpdateChatSessionUseCaseInterface $updateSessionUseCase,\n private DeleteChatSessionUseCaseInterface $deleteSessionUseCase,\n private SendChatMessageUseCase $messageUseCase,\n private StreamingChatMessageUseCase $streamingUseCase,\n private ChatMessageFormatter $formatter,\n private ExportChatSessionUseCase $exportUseCase,\n private ModelRegistryInterface $modelRegistry\n ) {\n }\n\n public function index(): void\n {\n $uuid = $this->createSessionUseCase->createSession();\n header('Location: \/chat\/' . $uuid);\n exit;\n }\n\n public function show(string $uuid): void\n {\n $session = $this->getSessionUseCase->getSession($uuid);\n\n if ($session === null) {\n header('Location: \/chat');\n exit;\n }\n\n \/\/ Convert entities to arrays for views\n $messages = $this->getSessionUseCase->getMessages($session->getId() ?? 0);\n $messagesArray = array_map(fn ($m) => $m->toArray(), $messages);\n\n $this->view('chat.index', [\n 'title' => $session->getTitle() ?? 'KI-Chat',\n 'session' => ChatSessionFactory::toArray($session),\n 'messages' => $messagesArray,\n 'sessions' => $this->getSessionUseCase->getAllSessionsWithStats(),\n 'authorProfiles' => $this->getSessionUseCase->getAuthorProfiles(),\n 'systemPrompts' => $this->getSessionUseCase->getSystemPrompts(),\n 'outputStructures' => $this->getSessionUseCase->getOutputStructures(),\n 'collections' => $this->getSessionUseCase->getAvailableCollections(),\n 'models' => $this->modelRegistry->getChatModels(),\n 'defaultModel' => $this->modelRegistry->getDefaultChatModel(),\n ]);\n }\n\n public function sessionList(): void\n {\n $this->view('chat.partials.session-list', [\n 'sessions' => $this->getSessionUseCase->getAllSessionsWithStats(),\n 'currentUuid' => $this->getString('current') ?: null,\n ]);\n }\n\n public function message(string $uuid): void\n {\n $session = $this->getSessionUseCase->getSession($uuid);\n\n if ($session === null) {\n $this->view('chat.partials.error', ['error' => 'Session nicht gefunden.']);\n\n return;\n }\n\n $params = $this->extractChatParams($session);\n $this->updateSessionIfChanged(\n $session,\n $params['model'],\n $params['collections'],\n $params['contextLimit'],\n $params['authorProfileId'],\n $params['temperature'],\n $params['maxTokens']\n );\n\n if ($params['question'] === '') {\n $this->view('chat.partials.error', ['error' => 'Bitte gib eine Frage ein.']);\n\n return;\n }\n\n $validation = $this->validateCollections($params['collections']);\n if (!$validation['valid']) {\n $this->view('chat.partials.error', [\n 'error' => 'Collection-Fehler: ' . $validation['error'],\n 'details' => 'Bitte wähle nur Collections mit gleichem Embedding-Modell.',\n ]);\n\n return;\n }\n\n $response = $this->messageUseCase->execute(\n sessionUuid: $uuid,\n message: $params['question'],\n model: $params['model'],\n collections: $params['collections'],\n contextLimit: $params['contextLimit'],\n authorProfileId: $params['authorProfileId'],\n systemPromptId: $params['systemPromptId'],\n temperature: $params['temperature'],\n maxTokens: $params['maxTokens'],\n structureId: $params['structureId'],\n qualityCheck: $params['qualityCheck']\n );\n\n if ($response->hasError()) {\n $this->view('chat.partials.error', ['error' => $response->getError()]);\n\n return;\n }\n\n $result = $response->toArray();\n $this->view('chat.partials.response', [\n 'question' => $params['question'],\n 'result' => $result,\n 'model' => $params['model'],\n 'formattedAnswer' => $this->formatter->formatAnswer($result['answer'] ?? ''),\n ]);\n }\n\n \/**\n * Streaming message endpoint with SSE progress events\n *\/\n public function messageStream(string $uuid): void\n {\n $session = $this->getSessionUseCase->getSession($uuid);\n\n if ($session === null) {\n $this->sseError('Session nicht gefunden.');\n\n return;\n }\n\n $sessionId = $session->getId() ?? 0;\n $question = trim($_POST['message'] ?? '');\n $requestedModel = $_POST['model'] ?? $session->getModel();\n $model = $this->modelRegistry->isValid($requestedModel)\n ? $requestedModel\n : $this->modelRegistry->getDefaultChatModel();\n $sessionCollections = $session->getCollections();\n $collections = $_POST['collections'] ?? $sessionCollections;\n $contextLimit = (int) ($_POST['context_limit'] ?? $session->getContextLimit());\n $authorProfileId = (int) ($_POST['author_profile_id'] ?? $session->getAuthorProfileId() ?? 0);\n $systemPromptId = (int) ($_POST['system_prompt_id'] ?? $session->getSystemPromptId() ?? 1);\n $structureId = (int) ($_POST['structure_id'] ?? 0);\n $temperature = (float) ($_POST['temperature'] ?? $session->getTemperature());\n $maxTokens = (int) ($_POST['max_tokens'] ?? $session->getMaxTokens());\n\n if ($this->updateSessionUseCase->settingsHaveChanged($session, $model, $collections, $contextLimit, $authorProfileId, $temperature, $maxTokens)) {\n $this->updateSessionUseCase->updateSettings($sessionId, $model, $collections, $contextLimit, $authorProfileId, $temperature, $maxTokens);\n }\n\n if ($question === '') {\n $this->sseError('Bitte gib eine Frage ein.');\n\n return;\n }\n\n if (!empty($collections)) {\n $compatibility = $this->updateSessionUseCase->validateCollectionCompatibility($collections);\n if (!$compatibility['valid']) {\n $this->sseError('Collection-Fehler: ' . $compatibility['error']);\n\n return;\n }\n }\n\n $qualityCheck = isset($_POST['quality_check']) && $_POST['quality_check'] === '1';\n\n \/\/ Setup SSE headers - critical for streaming\n header('Content-Type: text\/event-stream; charset=utf-8');\n header('Cache-Control: no-cache, no-store, must-revalidate');\n header('Pragma: no-cache');\n header('Connection: keep-alive');\n header('X-Accel-Buffering: no');\n header('Content-Encoding: none');\n\n \/\/ Disable ALL output buffering\n if (function_exists('apache_setenv')) {\n apache_setenv('no-gzip', '1');\n }\n @ini_set('zlib.output_compression', '0');\n @ini_set('implicit_flush', '1');\n @ini_set('output_buffering', '0');\n while (ob_get_level()) {\n ob_end_clean();\n }\n ob_implicit_flush(true);\n\n \/\/ Send 4KB padding to force buffer flush (browsers need minimum bytes)\n echo ':' . str_repeat(' ', 4096) . \"\\n\\n\";\n flush();\n\n \/\/ Set progress callback - send padding after each event to force flush\n $this->streamingUseCase->setProgressCallback(function (string $step, string $message, ?int $durationMs) {\n $timestamp = (new \\DateTime())->format('H:i:s.v');\n $data = [\n 'ts' => $timestamp,\n 'step' => $step,\n 'msg' => $message,\n 'ms' => $durationMs,\n ];\n echo \"event: progress\\n\";\n echo 'data: ' . json_encode($data, JSON_UNESCAPED_UNICODE) . \"\\n\\n\";\n \/\/ Force buffer flush with padding (Apache\/proxy buffering workaround)\n echo ':' . str_repeat(' ', 4096) . \"\\n\";\n flush();\n });\n\n \/\/ Execute with streaming\n $response = $this->streamingUseCase->execute(\n sessionUuid: $uuid,\n message: $question,\n model: $model,\n collections: $collections,\n contextLimit: $contextLimit,\n authorProfileId: $authorProfileId,\n systemPromptId: $systemPromptId,\n temperature: $temperature,\n maxTokens: $maxTokens,\n structureId: $structureId,\n qualityCheck: $qualityCheck\n );\n\n \/\/ Send final result\n if ($response->hasError()) {\n $errorData = ['error' => $response->getError()];\n echo \"event: error\\n\";\n echo 'data: ' . json_encode($errorData, JSON_UNESCAPED_UNICODE) . \"\\n\\n\";\n } else {\n $result = $response->toArray();\n $formattedAnswer = $this->formatter->formatAnswer($result['answer'] ?? '');\n\n \/\/ Render the response partial to HTML\n ob_start();\n $this->view('chat.partials.response', [\n 'question' => $question,\n 'result' => $result,\n 'model' => $model,\n ... [TRUNCATED-86e19429dd56d023]",
"structuredPatch": [
{
"oldStart": 154,
"oldLines": 82,
"newStart": 154,
"newLines": 33,
"lines": [
" return;",
" }",
" ",
"- $sessionId = $session->getId() ?? 0;",
"- $question = trim($_POST['message'] ?? '');",
"- $requestedModel = $_POST['model'] ?? $session->getModel();",
"- $model = $this->modelRegistry->isValid($requestedModel)",
"- ? $requestedModel",
"- : $this->modelRegistry->getDefaultChatModel();",
"- $sessionCollections = $session->getCollections();",
"- $collections = $_POST['collections'] ?? $sessionCollections;",
"- $contextLimit = (int) ($_POST['context_limit'] ?? $session->getContextLimit());",
"- $authorProfileId = (int) ($_POST['author_profile_id'] ?? $session->getAuthorProfileId() ?? 0);",
"- $systemPromptId = (int) ($_POST['system_prompt_id'] ?? $session->getSystemPromptId() ?? 1);",
"- $structureId = (int) ($_POST['structure_id'] ?? 0);",
"- $temperature = (float) ($_POST['temperature'] ?? $session->getTemperature());",
"- $maxTokens = (int) ($_POST['max_tokens'] ?? $session->getMaxTokens());",
"+ $params = $this->extractChatParams($session);",
"+ $this->updateSessionIfChanged(",
"+ $session,",
"+ $params['model'],",
"+ $params['collections'],",
"+ $params['contextLimit'],",
"+ $params['authorProfileId'],",
"+ $params['temperature'],",
"+ $params['maxTokens']",
"+ );",
" ",
"- if ($this->updateSessionUseCase->settingsHaveChanged($session, $model, $collections, $contextLimit, $authorProfileId, $temperature, $maxTokens)) {",
"- $this->updateSessionUseCase->updateSettings($sessionId, $model, $collections, $contextLimit, $authorProfileId, $temperature, $maxTokens);",
"- }",
"-",
"- if ($question === '') {",
"+ if ($params['question'] === '') {",
" $this->sseError('Bitte gib eine Frage ein.');",
" ",
" return;",
" }",
" ",
"- if (!empty($collections)) {",
"- $compatibility = $this->updateSessionUseCase->validateCollectionCompatibility($collections);",
"- if (!$compatibility['valid']) {",
"- $this->sseError('Collection-Fehler: ' . $compatibility['error']);",
"+ $validation = $this->validateCollections($params['collections']);",
"+ if (!$validation['valid']) {",
"+ $this->sseError('Collection-Fehler: ' . $validation['error']);",
" ",
"- return;",
"- }",
"+ return;",
" }",
" ",
"- $qualityCheck = isset($_POST['quality_check']) && $_POST['quality_check'] === '1';",
"+ $this->setupSseStream();",
"+ $this->setupProgressCallback();",
" ",
"- \/\/ Setup SSE headers - critical for streaming",
"- header('Content-Type: text\/event-stream; charset=utf-8');",
"- header('Cache-Control: no-cache, no-store, must-revalidate');",
"- header('Pragma: no-cache');",
"- header('Connection: keep-alive');",
"- header('X-Accel-Buffering: no');",
"- header('Content-Encoding: none');",
"-",
"- \/\/ Disable ALL output buffering",
"- if (function_exists('apache_setenv')) {",
"- apache_setenv('no-gzip', '1');",
"- }",
"- @ini_set('zlib.output_compression', '0');",
"- @ini_set('implicit_flush', '1');",
"- @ini_set('output_buffering', '0');",
"- while (ob_get_level()) {",
"- ob_end_clean();",
"- }",
"- ob_implicit_flush(true);",
"-",
"- \/\/ Send 4KB padding to force buffer flush (browsers need minimum bytes)",
"- echo ':' . str_repeat(' ', 4096) . \"\\n\\n\";",
"- flush();",
"-",
"- \/\/ Set progress callback - send padding after each event to force flush",
"- $this->streamingUseCase->setProgressCallback(function (string $step, string $message, ?int $durationMs) {",
"- $timestamp = (new \\DateTime())->format('H:i:s.v');",
"- $data = [",
"- 'ts' => $timestamp,",
"- 'step' => $step,",
"- 'msg' => $message,",
"- 'ms' => $durationMs,",
"- ];",
"- echo \"event: progress\\n\";",
"- echo 'data: ' . json_encode($data, JSON_UNESCAPED_UNICODE) . \"\\n\\n\";",
"- \/\/ Force buffer flush with padding (Apache\/proxy buffering workaround)",
"- echo ':' . str_repeat(' ', 4096) . \"\\n\";",
"- flush();",
"- });",
"-",
" \/\/ Execute with streaming",
" $response = $this->streamingUseCase->execute(",
" sessionUuid: $uuid,"
]
}
],
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"replaceAll": false
}
}