Protokoll #4160

{
    "event": "PreToolUse",
    "tool_name": "Read",
    "tool_input": {
        "file_path": "\/var\/www\/dev.campus.systemische-tools.de\/src\/Controller\/ChatController.php"
    }
}

{
    "tool_response": {
        "type": "text",
        "file": {
            "filePath": "\/var\/www\/dev.campus.systemische-tools.de\/src\/Controller\/ChatController.php",
            "content": "<?php\n\nnamespace Controller;\n\nuse Framework\\Controller;\nuse Infrastructure\\AI\\AIConfig;\nuse Infrastructure\\AI\\ChatService;\nuse Infrastructure\\AI\\ModelConfig;\nuse Infrastructure\\Persistence\\CollectionRepository;\nuse Infrastructure\\Validation\\CollectionValidator;\nuse UseCases\\Chat\\SendChatMessageUseCase;\n\nclass ChatController extends Controller\n{\n    private ChatService $chatService;\n    private CollectionRepository $collectionRepository;\n    private CollectionValidator $collectionValidator;\n    private SendChatMessageUseCase $sendMessageUseCase;\n    private \\PDO $db;\n\n    \/** @var array<array<string,mixed>>|null Cached collections list *\/\n    private ?array $collectionsCache = null;\n\n    public function __construct()\n    {\n        $config = AIConfig::fromCredentialsFile();\n        $this->chatService = $config->createChatService();\n        $this->collectionRepository = new CollectionRepository();\n        $this->collectionValidator = new CollectionValidator($this->collectionRepository);\n        $this->sendMessageUseCase = new SendChatMessageUseCase($this->chatService);\n        $this->db = $this->initializeDatabase();\n    }\n\n    \/**\n     * GET \/chat\n     * Show chat interface with session list, create new session if none\n     *\/\n    public function index(): void\n    {\n        $sessions = $this->getSessions();\n\n        \/\/ Create new session and redirect\n        $uuid = $this->createSession();\n        header('Location: \/chat\/' . $uuid);\n        exit;\n    }\n\n    \/**\n     * GET \/chat\/{uuid}\n     * Show specific chat session\n     *\/\n    public function show(string $uuid): void\n    {\n        $session = $this->getSession($uuid);\n\n        if ($session === null) {\n            header('Location: \/chat');\n            exit;\n        }\n\n        $messages = $this->getMessages($session['id']);\n        $sessions = $this->getSessions();\n        $authorProfiles = $this->getAuthorProfiles();\n        $systemPrompts = $this->getSystemPrompts();\n        $collections = $this->getAvailableCollections();\n\n        $this->view('chat.index', [\n            'title' => $session['title'] ?? 'KI-Chat',\n            'session' => $session,\n            'messages' => $messages,\n            'sessions' => $sessions,\n            'authorProfiles' => $authorProfiles,\n            'systemPrompts' => $systemPrompts,\n            'collections' => $collections,\n            'models' => ModelConfig::getAll(),\n            'defaultModel' => ModelConfig::DEFAULT_MODEL,\n        ]);\n    }\n\n    \/**\n     * GET \/chat\/sessions (HTMX partial)\n     * Return session list HTML\n     *\/\n    public function sessionList(): void\n    {\n        $sessions = $this->getSessions();\n        $this->view('chat.partials.session-list', [\n            'sessions' => $sessions,\n            'currentUuid' => $this->getString('current') ?: null,\n        ]);\n    }\n\n    \/**\n     * POST \/chat\/{uuid}\/message (HTMX)\n     * Process message and return HTML response\n     *\/\n    public function message(string $uuid): void\n    {\n        $session = $this->getSession($uuid);\n\n        if ($session === null) {\n            $this->view('chat.partials.error', ['error' => 'Session nicht gefunden.']);\n\n            return;\n        }\n\n        $question = trim($_POST['message'] ?? '');\n        $model = $this->validateModel($_POST['model'] ?? $session['model']);\n        $sessionCollections = $this->decodeJson($session['collections'] ?? null) ?: ['documents'];\n        $collections = $this->validateCollections($_POST['collections'] ?? $sessionCollections);\n        $contextLimit = $this->validateContextLimit((int) ($_POST['context_limit'] ?? $session['context_limit'] ?? 5));\n        $authorProfileId = $this->validateAuthorProfileId((int) ($_POST['author_profile_id'] ?? $session['author_profile_id'] ?? 0));\n        $systemPromptId = (int) ($_POST['system_prompt_id'] ?? $session['system_prompt_id'] ?? 1);\n        $temperature = $this->validateTemperature((float) ($_POST['temperature'] ?? $session['temperature'] ?? 0.7));\n        $maxTokens = $this->validateMaxTokens((int) ($_POST['max_tokens'] ?? $session['max_tokens'] ?? 4096));\n\n        \/\/ Update session if settings changed\n        $currentLimit = (int) ($session['context_limit'] ?? 5);\n        $currentProfileId = (int) ($session['author_profile_id'] ?? 0);\n        $currentTemperature = (float) ($session['temperature'] ?? 0.7);\n        $currentMaxTokens = (int) ($session['max_tokens'] ?? 4096);\n        $collectionsJson = json_encode($collections);\n        if ($model !== $session['model'] || $collectionsJson !== ($session['collections'] ?? '[\"documents\"]') || $contextLimit !== $currentLimit || $authorProfileId !== $currentProfileId || $temperature !== $currentTemperature || $maxTokens !== $currentMaxTokens) {\n            $this->updateSessionSettings($session['id'], $model, $collections, $contextLimit, $authorProfileId, $temperature, $maxTokens);\n        }\n\n        if ($question === '') {\n            $this->view('chat.partials.error', ['error' => 'Bitte gib eine Frage ein.']);\n\n            return;\n        }\n\n        \/\/ Validate collection compatibility (vector dimensions)\n        if (!empty($collections)) {\n            $compatibility = $this->validateCollectionCompatibility($collections);\n            if (!$compatibility['valid']) {\n                $this->view('chat.partials.error', [\n                    'error' => 'Collection-Fehler: ' . $compatibility['error'],\n                    'details' => 'Bitte wähle nur Collections mit gleichem Embedding-Modell.',\n                ]);\n\n                return;\n            }\n        }\n\n        \/\/ Execute UseCase\n        $response = $this->sendMessageUseCase->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: $maxTokens\n        );\n\n        if ($response->hasError()) {\n            $this->view('chat.partials.error', ['error' => $response->getError()]);\n\n            return;\n        }\n\n        $this->renderResponse($question, $response->toArray(), $model);\n    }\n\n    \/**\n     * POST \/chat\/{uuid}\/title (HTMX)\n     * Update session title\n     *\/\n    public function updateTitle(string $uuid): void\n    {\n        $session = $this->getSession($uuid);\n\n        if ($session === null) {\n            $this->notFound('Session nicht gefunden');\n        }\n\n        $title = trim($_POST['title'] ?? '');\n\n        \/\/ Validate title\n        if ($title === '') {\n            $title = 'Neuer Chat';\n        }\n\n        \/\/ Max 100 characters\n        $title = mb_substr($title, 0, 100);\n\n        \/\/ Save to database\n        $this->updateSessionTitle($session['id'], $title);\n\n        \/\/ Return updated title HTML\n        echo htmlspecialchars($title);\n    }\n\n    \/**\n     * POST \/chat\/{uuid}\/system-prompt (HTMX)\n     * Update session system prompt\n     *\/\n    public function systemPrompt(string $uuid): void\n    {\n        $session = $this->getSession($uuid);\n\n        if ($session === null) {\n            $this->notFound('Session nicht gefunden');\n        }\n\n        $systemPrompt = trim($_POST['system_prompt'] ?? '');\n\n        \/\/ Validate and sanitize system prompt\n        $systemPrompt = $this->validateSystemPrompt($systemPrompt);\n\n        \/\/ Save to database\n        $this->updateSystemPrompt($session['id'], $systemPrompt);\n\n        \/\/ Return success message\n        $this->view('chat.partials.success', ['message' => 'System-Prompt gespeichert.']);\n    }\n\n    \/**\n     * GET \/chat\/{uuid}\/system-prompt (HTMX)\n     * Get system prompt form\n     *\/\n    public function getSystemPrompt(string $uuid): void\n    {\n        $session = $this->getSession($uuid);\n\n        if ($session === null) {\n            $this->notFound('Session nicht gefunden');\n        }\n\n        $defaultPrompt = $this->getDefaultSystemPrompt();\n        $currentPrompt = $session['system_prompt'] ?? '';\n\n        $this->view('chat.partials.system-prompt-modal', [\n            'session' => $session,\n            'currentPrompt' => $currentPrompt,\n            'defaultPrompt' => $defaultPrompt,\n        ]);\n    }\n\n    \/**\n     * DELETE \/chat\/{uuid}\n     * Delete a session\n     *\/\n    public function delete(string $uuid): void\n    {\n        $session = $this->getSession($uuid);\n\n        if ($session !== null) {\n            $stmt = $this->db->prepare('DELETE FROM chat_sessions WHERE id = ?');\n            $stmt->execute([$session['id']]);\n        }\n\n        \/\/ Return success for HTMX\n        header('HX-Redirect: \/chat');\n        echo 'OK';\n    }\n\n    \/\/ ========== Private Helper Methods ==========\n\n    \/**\n     * Initialize database connection\n     *\/\n    private function initializeDatabase(): \\PDO\n    {\n        return \\Infrastructure\\Config\\DatabaseFactory::content();\n    }\n\n    \/**\n     * Create a new chat session\n     *\/\n    private function createSession(): string\n    {\n        $uuid = $this->generateUuid();\n\n        $stmt = $this->db->prepare(\n            'INSERT INTO chat_sessions (uuid, model, collections, context_limit) VALUES (?, ?, ?, ?)'\n        );\n        $stmt->execute([$uuid, 'claude-opus-4-5-20251101', '[\"documents\"]', 5]);\n\n        return $uuid;\n    }\n\n    \/**\n     * Get session by UUID\n     *\/\n    private function getSession(string $uuid): ?array\n    {\n        $stmt = $this->db->prepare('SELECT * FROM chat_sessions WHERE uuid = ?');\n        $stmt->execute([$uuid]);\n        $result = $stmt->fetch(\\PDO::FETCH_ASSOC);\n\n        return $result !== false ? $result : null;\n    }\n\n    \/**\n     * Get all sessions ordered by most recent\n     *\/\n    private function getSessions(): array\n    {\n        $stmt = $this->db->query(\n            'SELECT s.*,\n                    (SELECT COUNT(*) FROM chat_messages WHERE session_id = s.id) as message_count,\n                    (SELECT COALESCE(SUM(tokens_input), 0) FROM chat_messages WHERE session_id = s.id... [TRUNCATED-e64f2bf35a1c435f]",
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}