giles 8ccf5f7c1e Stepper: steps-to-preview for isomorphic preview text (WIP) ...

steps-to-preview is a pure recursive descent function inside the island's
letrec that builds an SX expression tree from steps[0..target-1].
The preview lake uses it to show partial text (e.g. "the joy of " at step 9).

Still WIP: stepper island doesn't SSR because DOM-only code (effect,
dom-query, dom-create-element) runs in the island body and fails on server.
Need to guard client-only code so SSR can render the pure parts
(code view, counter, preview).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

2026-03-24 04:24:12 +00:00

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