http.forms

make_form_data(items) -> content_type, body

Build a multipart/form-data body from a list of items

Each item in the list is a table with the following fields:

• name — form field name (required)
• content — string content for text fields
• path — file path; if set and file exists, reads content from file
• mime — override MIME type (auto-detected from path if not set)