Chat Completions

curl -X POST "$BASE_URL/v1/chat/completions" \
  -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-4o-mini",
    "messages": [
      {"role": "system", "content": "你是 Rivus AI 的产品助理。"},
      {"role": "user", "content": "用三句话介绍 Rivus AI。"}
    ],
    "temperature": 0.7
  }'