hyperframes/registry/blocks/message-thread-reveal/TEMPLATE.md

Message Thread Reveal editing contract

Surface ownership

This template depicts a phone messaging interface. The supplied website is the subject of the conversation, shared link, and closing card; it does not own the messaging application chrome.

Editable slots

Only defaults declared in data-composition-variables are editable:

• contactName
• The complete conversation: questionMessage, teaserMessage, reactionMessage, reactionEmoji, benefitMessage, discoveryMessage, sourceMessage, workflowMessage, ownershipMessage, installMessage, and thanksMessage
• The shared link: cardImage, cardTitle, and cardDomain
• The closing card: brandLogo, ecProof, ecFeature1 through ecFeature3, and ecCta

Keep replacement copy within 20% of the original length.

Safe editing mechanics

Call set_template_variable_defaults once with the existing variable ids and their new defaults. Do not directly edit or rewrite index.html or its data-composition-variables attribute; the imported declaration is HTML-entity-encoded JSON and the setter preserves that encoding. Never edit __template_baseline__.html or a duplicate composition file. For an image slot, pass only the token returned by an image tool. Validate after the setter succeeds.

Protected

Preserve messaging chrome, bubble styling, receipts, palette, typography, geometry, scene structure, duration, timing, easing, and reveal behavior. Do not replace any image outside the declared link-card and closing-card logo slots, and do not recolor the messaging interface to match the supplied website.