[janicduplessis]

Description

The tutorial app (appandflow/stim-tutorial) replaces its "Your name" text input with a Size S / M / L control (size-s, size-m, size-l), so tutorial users' names do not end up in public PR screenshots. stim guide tutorial run and the Desktop docs still told the agent to type a name in name-input.

Solution

The agent's verification line now reads: tap tap-button, toggle dark-accent-switch, pick a size (size-s, size-m or size-l), then screenshot. The guide test and the Desktop website page follow. Desktop's tutorial steps, hints and prompts never mentioned the name input, so they are unchanged. The release note for 1.20.1 is historical and stays as written.

Merge after appandflow/stim-tutorial#7, which adds the size control.

Test plan

• pnpm test packages/stim-cli/src/__tests__/guide.test.ts passes (97 tests).
• The size control was driven on an iOS simulator through Stim with agent-device in feat: replace the name input with a size control stim-tutorial#7.

Fixes #3406