* Studio: preserve durations across reasoning blocks
* [pre-commit.ci] auto fixes from pre-commit.com hooks
for more information, see https://pre-commit.ci
* Studio: keep a reasoning group's timer running when it reopens
A rendered reasoning group can be closed and then reopened: parseAssistantContent
coalesces adjacent reasoning parts, so a provider that emits each block as a
complete <think>...</think> chunk lands several blocks in one group. The tracker
wrote a group's duration once and never revisited it, so such a group froze at
its first close and displayed 0 seconds.
Measure from the first time an index becomes visible rather than from the last
startGroup, and reopen a closed group while its reasoning text is still growing.
Gating on growth is what stops the timer running on into the answer. A duration
supplied by the server is now recorded as authoritative so local timing cannot
overwrite it.
Also fill indices that a single delta skips. startGroup(n) could jump past
earlier indices and leave array holes, which JSON.stringify persists as null; a
skipped group became visible and closed inside the same chunk, so it gets a
measured zero instead.
Test discovery now globs tests/, so a second test file cannot be silently
skipped by CI, and tsconfig.test.json puts tests/ under typecheck for the first
time.
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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: danielhanchen <danielhanchen@gmail.com>
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