feat(frontend): UX review followups — primitives + a11y/UX fixes across 4 passes

New shared primitives:
- Toaster + toast-store, ConfirmSheet, Modal, focusTrap action,
  pullToRefresh action, avatarPalette + initials helper, Skeleton,
  HeartBurst, haptics, export-status store with onClearAuth hook

Critical UX/a11y:
- Replaced window.confirm with branded ConfirmSheet
- Focus management + Escape on every modal (PIN, Lightbox,
  Onboarding, ContextSheet, data-mode sheet, leave-confirm,
  HTML guide, host/admin ban + PIN-display modals)
- Sheet backdrops are real buttons with aria-label
- Silent ApiError catches now surface via global Toaster

Major polish:
- Dark-mode parity on HashtagChips + avatars (shared palette)
- Conditional Export tab in BottomNav (badge dot when ZIP ready)
- Back chevrons on /recover (history-aware) and /export
- Upload composer discard confirmation when content is staged
- Camera segmented Photo/Video shutter
- PIN auto-submit on 4th digit, paste-flash-free (controlled input)
- Welcome-back toast on /feed after PIN recovery

Minor:
- Skeleton states on feed; pull-to-refresh with live drag indicator
- Haptics on like / capture / submit / PIN-copy / onboarding complete
- Comment 500-char counter; quota "Fast voll" / "Limit erreicht" labels
- Onboarding pip ≥24px tap targets; long-press hint step
- overscroll-behavior lock on <html> while feed mounted
- teardownExportStatus wired via onClearAuth (covers 401 + explicit logout)
- ConfirmSheet per-instance titleId; Modal requires titleId or ariaLabel

Tests (7 new Playwright specs):
- 01-auth/pin-auto-submit, 01-auth/back-chevron
- 03-feed/confirm-sheet-delete, 03-feed/toast-on-failure
- 09-mobile/focus-trap, 09-mobile/sheet-escape,
  09-mobile/upload-cancel-confirm

FOLLOWUPS.md captures the deferred AT inert containment work
with acceptance criteria + implementation sketches.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
MechaCat02
2026-05-24 22:50:28 +02:00
parent b241ba6415
commit 309c25bc06
36 changed files with 1751 additions and 433 deletions

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<script lang="ts">
import { focusTrap } from '$lib/actions/focus-trap';
import type { Snippet } from 'svelte';
// Accessible name is REQUIRED. Pass `titleId` when the dialog renders its own
// visible heading (the common case — link aria-labelledby to that heading's id),
// or `ariaLabel` for dialogs without a visible title (e.g. an image preview).
// Failing to provide either leaves the dialog without an accessible name,
// which screen readers announce as just "dialog" — useless. The runtime
// warning below catches missed cases during dev.
interface Props {
open: boolean;
titleId?: string;
ariaLabel?: string;
onClose: () => void;
closeOnBackdrop?: boolean;
children: Snippet;
}
let {
open,
titleId,
ariaLabel,
onClose,
closeOnBackdrop = true,
children
}: Props = $props();
$effect(() => {
if (open && !titleId && !ariaLabel && typeof console !== 'undefined') {
console.warn('<Modal> opened without titleId or ariaLabel — dialog has no accessible name.');
}
});
</script>
{#if open}
<button
type="button"
class="fixed inset-0 z-50 bg-black/50"
aria-label="Schließen"
tabindex="-1"
onclick={closeOnBackdrop ? onClose : () => {}}
></button>
<div
class="pointer-events-none fixed inset-0 z-50 flex items-center justify-center p-4"
role="dialog"
aria-modal="true"
aria-labelledby={titleId}
aria-label={titleId ? undefined : ariaLabel}
use:focusTrap={{ onclose: onClose }}
>
<div class="pointer-events-auto w-full max-w-sm rounded-2xl bg-white p-6 shadow-xl dark:bg-gray-900">
{@render children()}
</div>
</div>
{/if}