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Settle vanished-focus recovery when the focused card's lane vanished

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10 recovered focus "to the card's lane" even in its own lane-tombstone
case, where that lane renders nowhere. Settled: recovery walks up then
sideways — the lane at the vanished lane's position (next by order, else
previous), board container only when no lanes remain, never into the
hidden trash; the announcement names the lane, not the card.

Claude-Session: https://claude.ai/code/session_01HJ7PhFNmQ19bvy9RMD6GSb
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rzen
2026-07-26 20:20:00 -04:00
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commit 110ef1e623
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DESIGN/10-accessibility.md
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@@ -28,7 +28,7 @@ The stance is committed in 00-vision.md: **accessibility is a requirement of "na
## Live board announcements
- **Foreign changes announce, app-mediated echoes never do.** The auto-committer already classifies every observed change as app-mediated or foreign (the EchoLedger — 02-architecture.md ▸ Components) and synthesizes diff summaries for commit messages (06-history-undo.md); announcements reuse that summarizer — one polite (non-interrupting) digest per reload debounce ("Board changed: 2 cards edited, 1 card added"), never per-file chatter. On no-git boards the same classifier runs without the committer — announcements don't depend on git mode.
- **A vanishing focus is called out specifically.** If the selected or VO-focused card disappears in a reload (deleted externally, or hidden by a lane tombstone), the announcement names it ("Card 'Fix login' was deleted externally") and focus recovers to the card's lane (mirroring selection's reload-survival rules, 02-architecture.md).
- **A vanishing focus is called out specifically.** If the selected or VO-focused card disappears in a reload (deleted externally, or hidden by a lane tombstone), the announcement names it ("Card 'Fix login' was deleted externally") and focus recovers to the card's lane (mirroring selection's reload-survival rules, 02-architecture.md). **When the lane itself vanished, recovery walks up then sideways** (settled): focus lands on the lane now occupying the vanished lane's position — the next lane by `order`, else the previous one — and on the board container only when no lanes remain (the ⌫-successor pattern, 04-interactions.md, applied to external change; never into the trash, which stays hidden — no layout side effects from a foreign edit). The announcement then names the *lane*, not the card ("Lane 'Doing' was deleted externally, with 5 cards") — the implied-events-don't-steal-the-subject discipline of 06-history-undo.md's composer, applied to speech.
- **Bracketed operations announce once, at completion** ("Pulled 3 commits", "Switched to branch 'redesign'") — never their internal churn (02-architecture.md's bracketing). The live-reload-resilience banner (02-architecture.md) is an accessibility element and is announced when it appears and when it clears — including the read-only lock after a failed bracketed reload.
## Card window, welcome, template chooser, popover