## Summary
- updates `useTerminal` callback assertions for the new `(data, reset)`
scrollback contract
- covers both an explicit reset frame and the default non-reset path
## Test plan
- `FUSION_DASHBOARD_DEEP=1 pnpm --filter @fusion/dashboard exec vitest
run --project dashboard-app --silent=passed-only --reporter=default
app/hooks/__tests__/useTerminal.test.ts`
- `pnpm --filter @fusion/dashboard typecheck`
- `pnpm check:changesets`
<!-- This is an auto-generated comment: release notes by coderabbit.ai
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## Summary by CodeRabbit
* **Tests**
* Updated terminal scrollback coverage to validate the new reset-state
information for live updates and buffered replay.
* Expanded checks across message delivery, buffering, initial rendering,
duplicate output, and reconnection scenarios.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
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