Lock core product decisions: attachment-level binding model with
form_attachment table, create-in-context authoring, purchase-request
pipeline replacing the hardcoded payment modal, per-lesson pulse
feedback, landing-page form and reviews blocks, admin/teacher-only
form creation, and free-standalone/paid-integrations commercial model.
Defer respondent save-and-resume, edit-submitted-response, and
one-question-per-page to phase 2. Add FORM-F1 to FORM-F9 tickets.