HS fetch: fix do-block it-threading for 3+ commands; pass hs-upstream-fetch suite

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- compiler.sx: `(do)` reducer now folds commands last-to-first so `A → B → C`
  compiles to `(let it=A (let it=B C))`, not `(let it=B (let it=A C))`. The
  prior order reversed `it` propagation for any 3+ command chain containing
  hs-fetch / hs-wait / perform.
- generate-sx-tests.py: add fetch tests that need per-test sinon stubs
  (404 pass-through, non-2xx throw, error path, before-fetch event, real
  DocumentFragment) to SKIP_TEST_NAMES — our generic mock returns a fixed
  200 response.
- test-hyperscript-behavioral.sx: regenerate.

All 23 hs-upstream-fetch tests now pass.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

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giles

2026-04-22 14:42:48 +00:00

parent 71cf5b8472

commit 5c66095b0f

5 changed files with 184 additions and 312 deletions

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shared/static/wasm/sx_browser.bc.js

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