implemented step 14 by Gemini

- added LLMpool, worker script

src/Services/DAIClient.php

@@ -9,7 +9,7 @@ use Exception;
 class DAIClient
 {
 	private string $apiUrl;
-	private int $timeout = 60;
+	private int $timeout = 120;
 
 	public function __construct(?string $apiUrl = null)
 	{

src/Services/LLMpool.php

@@ -0,0 +1,164 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Services;
+
+use App\Actions\ProjectActions;
+use App\Prompts\ContentPrompt;
+use Exception;
+use Throwable;
+
+class LLMpool
+{
+	private FileStorage $storage;
+	private DAIClient $daiClient;
+	private ContentPrompt $promptGenerator;
+
+	public function __construct()
+	{
+		$this->storage = new FileStorage();
+		$this->daiClient = new DAIClient();
+		$this->promptGenerator = new ContentPrompt();
+	}
+
+	/**
+	 * Processes all queued tasks.
+	 */
+	public function processQueue(): void
+	{
+		$tasksDir = realpath(__DIR__ . '/../../data/llm');
+		$files = glob($tasksDir . '/t_*.json');
+
+		foreach ($files as $file) {
+			$this->processTask(basename($file));
+		}
+	}
+
+	/**
+	 * Processes a single task by its filename.
+	 */
+	public function processTask(string $taskFilename): bool
+	{
+		$taskPath = "llm/$taskFilename";
+		$task = $this->storage->get($taskPath);
+
+		if (!$task || $task['status'] !== 'queued') {
+			return false;
+		}
+
+		// 1. Lock task (atomic update to 'generating')
+		$task['status'] = 'generating';
+		$task['attempt_count']++;
+		$task['started_at'] = date('c');
+		$this->storage->put($taskPath, $task);
+
+		$projectId = $task['project_id'];
+		
+		// Update project status to 'generating'
+		$projectData = $this->storage->get("projects/{$projectId}.json");
+		if ($projectData) {
+			$projectData['status'] = 'generating';
+			$this->storage->put("projects/{$projectId}.json", $projectData);
+		}
+
+		$projectActions = new ProjectActions();
+
+		try {
+			// 2. Generate Prompt
+			$prompt = $this->promptGenerator->generate($task['wizard_data']);
+
+			// 3. Call AI
+			$aiResponse = $this->daiClient->sendRequest($prompt);
+
+			if ($aiResponse === null) {
+				throw new Exception("AI API returned no answer.");
+			}
+
+			// Update project status to 'rendering'
+			if ($projectData) {
+				$projectData['status'] = 'rendering';
+				$this->storage->put("projects/{$projectId}.json", $projectData);
+			}
+
+			// 4. Validate and Parse
+			$content = $this->validateAndParseResponse($aiResponse);
+
+			// 5. Update Project
+			$projectData = $this->storage->get("projects/{$projectId}.json");
+			if (!$projectData) {
+				throw new Exception("Project $projectId not found during processing.");
+			}
+
+			$projectData['content']['generated'] = $content;
+			$projectData['status'] = 'ready'; // Transition to ready
+			$projectData['current_step'] = 7; // Automatically ready for preview
+			$projectData['updated_at'] = date('c');
+			$this->storage->put("projects/{$projectId}.json", $projectData);
+
+			// 6. Finish Task (Delete or Archive)
+			$this->storage->delete($taskPath);
+
+			error_log("LLMpool: Task $taskFilename processed successfully for project $projectId.");
+			return true;
+
+		} catch (Throwable $e) {
+			error_log("LLMpool Error processing task $taskFilename: " . $e->getMessage());
+			
+			$task['status'] = 'queued'; // Back to queue for retry
+			$task['last_error'] = $e->getMessage();
+			
+			if ($task['attempt_count'] >= $task['max_attempts']) {
+				$task['status'] = 'failed';
+				
+				// Update project status to failed as well
+				$projectData = $this->storage->get("projects/{$projectId}.json");
+				if ($projectData) {
+					$projectData['status'] = 'failed';
+					$projectData['last_error'] = $e->getMessage();
+					$this->storage->put("projects/{$projectId}.json", $projectData);
+				}
+			}
+
+			$this->storage->put($taskPath, $task);
+			return false;
+		}
+	}
+
+	/**
+	 * Validates AI output: must be JSON, no HTML, has required sections.
+	 */
+	private function validateAndParseResponse(string $rawResponse): array
+	{
+		// Strip potential markdown code blocks if AI included them
+		$jsonStr = trim($rawResponse);
+		if (strpos($jsonStr, '```json') === 0) {
+			$jsonStr = substr($jsonStr, 7);
+		}
+		if (str_ends_with($jsonStr, '```')) {
+			$jsonStr = substr($jsonStr, 0, -3);
+		}
+		$jsonStr = trim($jsonStr);
+
+		$data = json_decode($jsonStr, true);
+
+		if (json_last_error() !== JSON_ERROR_NONE) {
+			throw new Exception("Invalid JSON format from AI: " . json_last_error_msg());
+		}
+
+		// Check for HTML tags
+		if (preg_match('/<[a-z\/][^>]*>/i', $jsonStr)) {
+			throw new Exception("AI response contains prohibited HTML tags.");
+		}
+
+		// Check required sections
+		$required = ['seo', 'hero', 'about', 'services'];
+		foreach ($required as $section) {
+			if (!isset($data[$section])) {
+				throw new Exception("AI response is missing required section: $section");
+			}
+		}
+
+		return $data;
+	}
+}