feat(desktop): show loading placeholder while a tab hydrates - #8254
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feat(desktop): show loading placeholder while a tab hydrates#8254complyue wants to merge 2 commits into
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Switching to another conversation now shows a loading placeholder in the transcript and the right dock instead of the previous tab's stale items, so the UI reads as "loading" instead of a frozen tab. Reuses the boot loading-screen kit (one height:100% addition) and guards the behavior with source assertions in app-chrome-tabs.test.ts.
App.tsx and its tab-chrome test grow 10 and 13 lines over the upstream ratchet; record that growth in the baseline. Separate from the feature commit so the functional diff stays reviewable.
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What
Switching to another conversation now shows a loading placeholder in the
transcript and the right dock instead of the previous tab's stale items,
so the UI reads as "loading" instead of a frozen tab.
Reuses the boot loading-screen kit (one
height:100%addition) and guardsthe behavior with source assertions in
app-chrome-tabs.test.ts.Files:
desktop/frontend/src/App.tsx,styles.css, plus tests. Therepolint baseline update records the resulting 10-line App.tsx and 13-line
test-file growth over the ratchet (no new violations beyond that).
Verification
pnpm build(tsc + vite + bundle budgets) passesgo run ./tools/repolintclean (1957 baselined findings)Cache-impact: none - provider-visible prefix is untouched (frontend-only change plus repolint baseline bookkeeping)
Cache-guard: no provider/boot/agent path in the diff; existing byte-stable prefix guard tests unchanged
Documentation-impact: none - no docs edited; behavior is a UI affordance, no docs claim the old frozen-tab behavior