От первого запроса
до готового AI-приложения.

stream = client.chat.completions.create(
    model="gpt-5.6-terra",
    messages=[
        {"role": "user", "content": "Объясни SSE"}
    ],
    stream=True
)

answer = ""
for chunk in stream:
    delta = chunk.choices[0].delta.content or ""
    answer += delta
    print(delta, end="", flush=True)

# Сохраните answer как сообщение assistant

const stream = await client.chat.completions.create({
  model: "gpt-5.6-terra",
  messages: [
    { role: "user", content: "Объясни SSE" }
  ],
  stream: true
});

let answer = "";
for await (const chunk of stream) {
  const delta = chunk.choices[0]?.delta?.content ?? "";
  answer += delta;
  process.stdout.write(delta);
}

// Сохраните answer в истории диалога

$payload = json_encode([
    'model' => 'gpt-5.6-terra',
    'messages' => [
        ['role' => 'user', 'content' => 'Объясни SSE'],
    ],
    'stream' => true,
], JSON_UNESCAPED_UNICODE | JSON_THROW_ON_ERROR);

$curl = curl_init('https://rucodex.ru/v1/chat/completions');
curl_setopt_array($curl, [
    CURLOPT_POST => true,
    CURLOPT_HTTPHEADER => [
        'Authorization: Bearer ' . getenv('RUCODEX_API_KEY'),
        'Content-Type: application/json',
    ],
    CURLOPT_POSTFIELDS => $payload,
    CURLOPT_TIMEOUT => 120,
]);

$buffer = '';
$answer = '';
curl_setopt($curl, CURLOPT_WRITEFUNCTION,
    function ($curl, string $chunk) use (&$buffer, &$answer) {
        $buffer .= $chunk;
        while (($pos = strpos($buffer, "\n")) !== false) {
            $line = trim(substr($buffer, 0, $pos));
            $buffer = substr($buffer, $pos + 1);
            if (!str_starts_with($line, 'data:')) continue;
            $data = trim(substr($line, 5));
            if ($data === '[DONE]') continue;
            $event = json_decode($data, true);
            $delta = $event['choices'][0]['delta']['content'] ?? '';
            $answer .= $delta;
            echo $delta;
            flush();
        }
        return strlen($chunk);
    }
);

$ok = curl_exec($curl);
if ($ok === false) throw new RuntimeException(curl_error($curl));
$status = curl_getinfo($curl, CURLINFO_RESPONSE_CODE);
curl_close($curl);
if ($status >= 400) throw new RuntimeException("HTTP $status");

// После [DONE] сохраните $answer как сообщение assistant.