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docs(upgrading): 5.29.0 refresh sections for agent-handoff 1.17 and github-workflow 1.10; battery prose - #250

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chrisdpurcell merged 1 commit into
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notes-529
Sep 1, 2026
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chrisdpurcell merged 1 commit into
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notes-529

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Summary

Consumer-facing upgrade prose for the 5.29.0 catalog refresh: UPGRADING.md gains the agent-handoff 1.16 → 1.17 section (hardened session-start Git reads, corrected --version, stripped launcher), the github-workflow 1.9 → 1.10 section (#234 hardening set, stripped binary, land pending verification against the sealed cut), and the producer-side provider-environment allowlist note from #230. The three README files that still called --full the "legacy serial battery" now describe the parallel, fail-fast battery that scripts/verify.sh runs.

Governing work

Supporting: #236

Acceptance coverage

  • Release-train documentation for the 5.29.0 cuts; stale prose left by the C4 lane replacement corrected.

Verification

Prettier + markdownlint over the four files (exit 0); validate-frontmatter UPGRADING.md (exit 0); tests/package_contract/test_release_doc_link_hygiene.py (116 passed). project-standards validate reports only the by-design CP-DRIFT until release reconcile.

…ry prose

UPGRADING.md gains the refresh sections for agent-handoff 1.16 -> 1.17
(session-start Git hardening, corrected --version reporting, stripped
binary) and github-workflow 1.9 -> 1.10 (#234 hardening: attributed
disposition evidence, envelope-wide sanitization, narrowed merge/ready
mutation windows, checkout-bounded file resolution, origin-host
verification, rate-limit retry, stripped binary), plus the producer-side
provider environment allowlist from #230.

README.md, scripts/README.md, and tests/README.md no longer call --full
the "legacy serial battery": it now runs the identical lane selections
one at a time (ordinary suite still at -n 16) and stops at the first red
lane by default, per the parallel-verify work landed in #236/#227.

Refs #229, #228, #235, #234, #230, #236, #227
@chrisdpurcell
chrisdpurcell marked this pull request as ready for review September 1, 2026 21:13
@chrisdpurcell
chrisdpurcell merged commit 4645662 into testing Sep 1, 2026
3 of 4 checks passed
@chrisdpurcell
chrisdpurcell deleted the notes-529 branch September 1, 2026 21:13
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