* fix: gstack-update-check resolves remote VERSION via SHA-pinned URL
Replace branch-raw fetch with git ls-remote + SHA-pinned raw URL. Add
semver-order guard via sort -V so REMOTE < LOCAL stays silent instead
of emitting a backwards UPGRADE_AVAILABLE line. Fence git ls-remote
with GIT_TERMINAL_PROMPT=0 + 5s low-speed timeout. Honor explicit
GSTACK_REMOTE_URL overrides for test fixtures and private mirrors.
3 new tests cover stale-CDN regression, multi-segment 1.9 vs 1.10
both directions.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
* chore: bump version and changelog (v1.34.1.0)
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Co-authored-by: Claude Opus 4.7 <noreply@anthropic.com>
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