# Step-type index

Choose the page whose type describes the screen's actual behavior. Do not classify from its position or visual treatment.

| Type | Family | Use |
| --- | --- | --- |
| [`cancellation_offer`](cancellation_offer.md) | `commerce` | A cancellation retention or downsell surface. |
| [`checkout`](checkout.md) | `commerce` | A dedicated payment-entry screen. |
| [`form_input`](form_input.md) | `form` | Non-choice structured input, including reserved email capture. |
| [`intro_hero`](intro_hero.md) | `content` | Opening promise or low-friction entry screen. |
| [`multi_select_choice`](multi_select_choice.md) | `choice` | Multiple options are selected before explicit completion. |
| [`paywall_offer`](paywall_offer.md) | `commerce` | A monetization offer that presents purchasable plans. |
| [`progress_interstitial`](progress_interstitial.md) | `transition` | Progress, calculation, loading, reveal, or transition screen. |
| [`purchase_completed`](purchase_completed.md) | `terminal` | The canonical terminal shown after a verified initial purchase. |
| [`single_step_choice`](single_step_choice.md) | `choice` | Exactly one standard option is selected. |
| [`single_step_choice_emoji`](single_step_choice_emoji.md) | `choice` | Exactly one emoji-led option is selected. |
| [`social_proof`](social_proof.md) | `content` | Testimonials, reviews, credibility, or evidence. |
| [`subscription_handoff`](subscription_handoff.md) | `commerce` | A non-terminal app, store, or deep-link handoff. |
| [`subscription_management`](subscription_management.md) | `commerce` | A screen for managing or inspecting an existing subscription. |
| [`summary_confirmation`](summary_confirmation.md) | `content` | A summary, review, or confirmation before the next action. |
| [`upsell_offer`](upsell_offer.md) | `commerce` | A post-purchase or upgrade offer. |
| [`value_prop_story`](value_prop_story.md) | `content` | Benefit, explanation, motivation, or narrative value screen. |

Contract version: `3`

Contract hash: `d761e91d5ac6ff9e72c6d49c5bcd014270912473a66f99c49d726c65998085cf`