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docs(#7039): correct Vertex alias resolution in pinned-binaries table - #7040

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docs(#7039): correct Vertex alias resolution in pinned-binaries table#7040
fullsend-ai-coder[bot] wants to merge 1 commit into
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agent/7039-fix-vertex-alias-docs

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Summary

Corrects the "Re-check on bump" cell for Claude Code in the pinned-binaries table (docs/contributing/runtime-implementation.md). The cell incorrectly stated that ANTHROPIC_DEFAULT_*_MODEL does not steer alias resolution on Vertex; A/B testing on Claude Code 2.1.258 confirmed it does.

Changes

Testing

  • Verified the replacement text aligns with the A/B evidence in the issue
  • Verified the models.aliases scope claim against docs/runtimes/claude.md
  • lychee offline link check passed (all links valid)
  • lint-docs-links passed
  • No trailing whitespace or end-of-file issues

Closes #7039

Post-script verification

  • Branch is not main/master (agent/7039-fix-vertex-alias-docs)
  • Secret scan passed (gitleaks — 6d496c4ce54bcccefdcbd5bec1ab44f775a33de8..HEAD)
  • PR body secret scan passed (gitleaks — no-git)

The Re-check on bump cell for Claude Code in the pinned-binaries
table incorrectly stated that ANTHROPIC_DEFAULT_*_MODEL does not
steer alias resolution on Vertex. A/B runs on Claude Code 2.1.258
(agents#1181) confirmed that the env variable does steer both the
main model and sub-agent aliases.

Rewrite the cell to document the verified behavior: on Vertex,
opus/sonnet/haiku resolve from the CLI default table steered by
ANTHROPIC_DEFAULT_{OPUS,SONNET,HAIKU}_MODEL; the fleet sets the
sonnet pin in env/gcp-vertex.env; per-repo models.aliases remaps
only the parent --model and sub-agents follow the env variable
until #7031 makes persona models runner-resolved.

Note: pre-commit hooks were not run. pre-commit could not complete
(infrastructure failure). Applicable hooks (trailing-whitespace,
end-of-file-fixer, lint-docs-links, lychee link check) were run
directly and passed.

Closes #7039
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fullsend-ai-coder Bot requested a review from a team as a code owner September 5, 2026 02:55
@fullsend-ai-coder fullsend-ai-coder Bot added the ready-for-review Triggers review agent dispatch label Sep 5, 2026
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fullsend-ai-review Bot commented Sep 5, 2026

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🤖 Finished Review · ✅ Success · Started 2:57 AM UTC · Completed 3:12 AM UTC

Commit: 597eecc · View workflow run →

Runtime: claude · Model: opus → claude-opus-4-6 · Effort: high · Cost: $2.77

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github-actions Bot commented Sep 5, 2026

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Site preview

Preview: https://ce7936e1-site.fullsend-ai.workers.dev

Commit: 597eeccef239eb943933d9f920f59522a1865a0d

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codecov Bot commented Sep 5, 2026

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Codecov Report

✅ All modified and coverable lines are covered by tests.

📢 Thoughts on this report? Let us know!

@fullsend-ai-review fullsend-ai-review Bot added the risk/moderate PR risk: moderate label Sep 5, 2026
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Risk Assessment: moderate (2/5)

Details

Trivial 1-file, 2-line documentation correction by a bot with no protected paths, security-sensitive files, or dependency changes; elevated from 1 to 2 by Tier 2 git history signals showing the target file is in an active area with 48 commits in 30 days, 6 concurrent authors, and 38 fix-related commits in 90 days.

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Looks good to me

@fullsend-ai-review fullsend-ai-review Bot added the ready-for-merge All reviewers approved — ready to merge label Sep 5, 2026
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docs: runtime-implementation.md says ANTHROPIC_DEFAULT_*_MODEL does not steer aliases on Vertex — it does (verified A/B on 2.1.258)

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