An empty board on first load blurting "no cards found" was alarming
on a board the user knew had cards. Track a cardsLoaded flag that
flips on the first /api/cards (meta or full) response — or on a
cached-cards hydration — and show a centred spinner placeholder
while it's still false. The "no cards found" copy only shows once
we've actually heard back and the set is genuinely empty.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
thandClaude Opus 4.6
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