Embeddings
Create embeddings (OpenAI compatible)
BaseURL：https://ai.amethyst.ltd/v1
创建向量
POST /embeddings示例：
curl https://ai.amethyst.ltd/v1/embeddings \
-H "Authorization: Bearer $AI_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "text-embedding-3-small",
"input": "hello world"
}'响应示例（结构遵循 OpenAI）：
{
"object": "list",
"data": [
{
"object": "embedding",
"embedding": [0.0123, -0.0456],
"index": 0
}
],
"model": "text-embedding-3-small",
"usage": { "prompt_tokens": 2, "total_tokens": 2 }
}