added example for DAIAPI communication

docs/prompts/step13.md

@@ -36,9 +36,51 @@ Implementovať klienta pre DAIAPI a vytvoriť generátor promptov, ktorý na zá
 Žiadne.
 
 ## API a dátové štruktúry
-DAIAPI typicky očakáva:
+DAIAPI je proprietarne API, ktore sa da pouzivat volanim na VPN adresu 10.2.8.1 a port 9001, prakticka implementacia v PHP:
-- URL: `http://webwizard.test:port/v1/chat/completions` (podľa lokálneho nastavenia).
+
-- Formát: JSON (messages, temperature, atď.).
+```php
+function daiAPIrun(string $prompt): ?string
+{
+    $url = "http://192.168.122.10:9001/run";
+    $payload = json_encode([
+        "prompt" => $prompt
+    ]);
+    if ($payload === false) {
+        return null;
+    }
+    $ch = curl_init($url);
+    curl_setopt_array($ch, [
+        CURLOPT_RETURNTRANSFER => true,
+        CURLOPT_POST => true,
+        CURLOPT_HTTPHEADER => [
+            "Content-Type: application/json",
+            "Content-Length: " . strlen($payload)
+        ],
+        CURLOPT_POSTFIELDS => $payload,
+        CURLOPT_TIMEOUT => 60,
+    ]);
+    $response = curl_exec($ch);
+    if ($response === false) {
+        curl_close($ch);
+        return null;
+    }
+    $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
+    curl_close($ch);
+    if ($httpCode !== 200) {
+        return null;
+    }
+    $data = json_decode($response, true);
+    if (!is_array($data)) {
+        return null;
+    }
+    // očakávame: { "success": true, "answer": "...", ... }
+    if (empty($data["success"]) || !isset($data["answer"])) {
+        return null;
+    }
+    return $data["answer"];
+}
+```
+
 
 ## Frontend požiadavky
 Nerelevantné.