[bglusman]

Summary

• pin Wardwright app CI, local tool manifests, Tinfoil source configuration, and every release/publish job to exact OTP 29.0.6
• separate Assay caches by the full OTP patch version
• temporarily pin only the non-publishing packaged-smoke compatibility job to OTP 29.0.5 because Burrito/Beam Machine has not published its 29.0.6 ERTS archive
• track removal of that exception in Restore packaged smoke to OTP 29.0.6 when Burrito ERTS is available #83

Why the split

The floating OTP 29.0 selector moved from 29.0.5 to 29.0.6 on 2026-09-01. Setup-beam succeeded, but Burrito received HTTP 404 for the new precompiled ERTS (PR #81 run 33573730215). OTP 29.0.6 is also a security release, including CVE-2026-75538 and HTTP-client hardening relevant to Wardwright, so release binaries must not be downgraded merely to bypass mirror lag.

The compatibility smoke publishes no artifact. All shipped/runtime sources of truth remain on 29.0.6; a release correctly remains blocked until secure Burrito assets exist.

Validation

• exact 29.0.5 compatibility smoke built and ran successfully in the first PR revision
• app CI already installed 29.0.6 and passed on PR test: prove ModelSkyline selection over provider HTTP #81
• git diff --check
• GitHub CI, packaged smoke, gitleaks, and zizmor rerun on this final split

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[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

The pull request removes OTP patch-version drift by pinning all five CI and release setup-beam inputs to OTP 29.0.5, restoring reproducible Burrito packaging until Beam Machine supports OTP 29.0.6.

File-Level Changes

Change	Details	Files
Pin OTP used by CI and release packaging workflows to the known-compatible 29.0.5 patch release.	Replace floating OTP 29.0 selectors with exact 29.0.5 selectors in both CI setup-beam jobs. Update all three release workflow setup-beam steps to use OTP 29.0.5. Keep the existing Elixir, Gleam, action revisions, and workflow behavior unchanged.	.github/workflows/ci.yml .github/workflows/wardwright-release.yml

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[Copilot]

🟢 Approval recommended

The change is a straightforward, consistent version pin across the referenced workflows and aligns with the PR’s stated goal of restoring reproducible Burrito packaging.

Pull request overview

Pins CI/release BEAM toolchain to a specific OTP patch release to prevent Burrito packaging failures caused by upstream OTP selector drift, keeping Wardwright’s packaging pipeline reproducible while dependencies catch up.

Changes:

• Pin erlef/setup-beam otp-version from "29.0" to "29.0.5" in CI.
• Pin erlef/setup-beam otp-version from "29.0" to "29.0.5" across all release workflow jobs.
• Ensure all five setup-beam OTP selectors referenced in the PR description are consistently set to the same patch version.

File summaries

File	Description
.github/workflows/ci.yml	Pins OTP patch version for CI jobs that build/test and run packaged smoke to avoid floating resolution drift.
.github/workflows/wardwright-release.yml	Pins OTP patch version for matrix builds and release-related jobs to keep Burrito packaging reproducible.

Review details

• Files reviewed: 2/2 changed files
• Comments generated: 0
• Review effort level: Lite

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