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pad/web/e2e/lib
xarmian 9c9107176c test(e2e): reconcile attachment e2e with the converged surface (TASK-2493)
PLAN-2392 phase 3c-ii T7 — the e2e half of the convergence (one host,
one Lightbox for ANY attachment; the options-panel + image-viewer
channels retired).

Falsified + rewritten (the convergence changed the premise, so these
were rewritten to assert the new behaviour, not deleted):
- strip file-tile / editor file-chip open the role=dialog surface
  (no-bytes fallback arm), not a role=menu options panel
- modal two-stacked-viewers -> the SUPERSEDE invariant (one host mounts
  at most one Lightbox by construction)
- owner-4 BottomSheet source moved from the retired file-panel to the
  surviving strip delete-confirm menu
- parity/two-host exact dialog-name -> anchored RegExp (T2b grew the
  accessible name to "name, type · size"); enforced in the hostile-name leg
- zoom thumb->original timeline, switch-safety, and mobile deferred-load
  counts: filter to GET (the T6 always-revalidate-on-open no-store HEAD
  hits the same variant-less URL and polluted the counts)

New legs: PDF/ZIP fallback integration (Open for PDF, none for ZIP);
T6 no-store HEAD count (one per open, none on arrow, one on reopen);
DR-14 archived-parent probe-gate + archive-while-open close; dual-host
peeked addressing + un-peek; Pixel-7 sheet geometry / dock contiguity /
backdrop-vs-chrome dismissal / shortened-stage zoom / file route /
overlay-centring / DR-18 label reveal / native-pinch touch-action /
forced-colors Canvas plate; desktop-unchanged contrast.

Each of the four load-bearing behaviours was MUTATION-verified (break in
source, rebuild the worktree ./pad, confirm the targeted leg FAILS,
restore, confirm green): fallback admission, host event addressing,
archive-close transition, and the T6 forced no-store probe.

Codex-reviewed to CLEAN over five rounds. New selectors live in
web/e2e/lib/attachment-viewer.ts, addressed by class or accessible name
(never a bare [role="dialog"]); assertions are item-scoped / by-id /
by-anchored-name to avoid the BUG-2504 unscoped-list pagination trap.

Claude-Session: https://claude.ai/code/session_01WFBYxdBuSZs2tjipATxAZu
2026-08-10 21:59:41 +00:00
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