Files
998f0ed27d fix(e2e): keep phase log tails UTF-8 safe (#109923)
* fix(e2e): keep phase log tails UTF-8 safe

The phase runner keeps a bounded in-memory log tail per phase and writes it
to stderr when a phase fails. The byte-based cut can land inside a multi-byte
UTF-8 character, and decoding from that offset emits U+FFFD replacement
characters at the start of the diagnostics tail. Reuse the decodeUtf8Tail
helper from scripts/e2e/lib/text-file-utils.mjs (#109669) so the retained
window starts on a character boundary.

Co-Authored-By: Claude <noreply@anthropic.com>

* fix(e2e): declare decodeUtf8Tail in text-file-utils types

phase-runner.ts imports decodeUtf8Tail from text-file-utils.mjs; the
adjacent declaration file must export it or check-test-types fails with
TS2305.

Co-Authored-By: Claude <noreply@anthropic.com>

* refactor(e2e): reuse tailText wrapper for phase log tails

Co-Authored-By: Claude <noreply@anthropic.com>

* test(e2e): focus phase tail regression

Co-authored-by: wangmiao0668000666 <wang.miao86@xydigit.com>

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Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: Peter Steinberger <steipete@gmail.com>
2026-07-20 19:45:35 -07:00
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