curl -X POST 'https://app.memorylake.cn/openapi/memorylake/api/v3/workspaces/ws_abc123/projects' \
  -H 'Authorization: Bearer sk_xxxxxx' \
  -H 'Content-Type: application/json' \
  -d '{
    "name": "Customer Research",
    "custom_id": "research-2024-q1",
    "description": "Interview transcripts and survey analysis",
    "metadata": {
      "team": "product",
      "quarter": "Q1-2024"
    }
  }'

{
  "success": true,
  "data": {
    "id": "proj_def456",
    "name": "Customer Research",
    "description": "Interview transcripts and survey analysis",
    "custom_id": "research-2024-q1",
    "created_at": "2024-01-15T10:30:00Z",
    "updated_at": "2024-01-15T10:30:00Z"
  }
}