[sxlijin]

Summary

• retain the shared ./.github/actions/setup-mise composite and its narrow per-job install_args
• configure the composite's single jdx/[email protected] invocation with fetch_from_github: false
• make setup-mise append MISE_TASK_RUN_AUTO_INSTALL=false to $GITHUB_ENV, preventing every subsequent CI step from auto-installing undeclared mise tools
• log that auto-install is disabled and that CI workflows must explicitly install the mise dependencies they use
• pin clang-format so the C++ formatting hook does not depend on the runner image

Root cause

The pre-commit hooks invoke tasks through mise run. Mise auto-installs configured tools before running tasks by default, and jdx/mise-action exports MISE_YES=1. As a result, the first task invocation tried to install the entire inherited root mise.toml toolset even though setup used narrow install_args. External GitHub 503s for unrelated sccache, Java, and Ruby then failed the job after all hooks had passed.

The fix preserves narrow tool installation through the shared composite and disables mise task auto-install globally for all steps after setup-mise. This makes each workflow's install_args the explicit tool contract instead of allowing later mise run calls to expand it implicitly.

Validation

• confirmed all 21 in-scope workflow callers use ./.github/actions/setup-mise with their prior install_args
• confirmed setup-mise's single jdx/[email protected] call sets fetch_from_github: false
• confirmed setup-mise logs disabling MISE_TASK_RUN_AUTO_INSTALL, all CI workflows must explicitly install the mise deps they use
• confirmed setup-mise appends MISE_TASK_RUN_AUTO_INSTALL=false to $GITHUB_ENV
• repository check-yaml hook passed the composite action and affected workflow
• python3 -m unittest discover -s scripts/tests -p 'test_*.py' -v passed all 49 tests
• git diff --check passed
• actionlint reported no new errors; its three warnings are pre-existing in ci.yaml

Linear: B-1522

Source failure: https://github.com/BoundaryML/baml/actions/runs/31635586472/job/94250484725?pr=3358

Summary by CodeRabbit

• Chores
  • Added clang-format to the development tool environment.
  • Improved development environment setup reliability and caching.
  • Updated continuous integration tooling to include Node.js and clang-format.
  • Disabled automatic task tool installation during CI checks for more consistent validation.

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Project	Deployment	Actions	Updated (UTC)
beps	Ready	Preview	Aug 12, 2026 11:52pm
promptfiddle2	Ready	Preview	Aug 12, 2026 11:52pm

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ℹ️ Recent review info

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Run ID: a37cefe7-8977-454f-832d-07c63ffa15cd

📥 Commits

Reviewing files that changed from the base of the PR and between 91ea093 and 65adfa0.

📒 Files selected for processing (1)

• .github/actions/setup-mise/action.yml

---

📝 Walkthrough

Walkthrough

The Mise environment pins clang-format. The shared setup action updates its cache and action settings and disables automatic task dependency installation. The prek CI job includes Node and clang-format.

Changes

Unified Mise CI setup

Layer / File(s)	Summary
Toolchain configuration mise.toml, .github/actions/setup-mise/action.yml	Mise pins clang-format at version 22.1.7. The shared action updates the Mise action version, cache prefix, remote-version timeout, and GitHub fetching setting.
prek CI integration .github/workflows/ci.yaml, .github/actions/setup-mise/action.yml	The prek job includes Node and clang-format. The shared action disables automatic Mise task dependency installation with MISE_TASK_RUN_AUTO_INSTALL=false.

Estimated code review effort: 2 (Simple) | ~10 minutes

Mergeability Score: ⚪ Minimal · up to 65adf

The PR makes CI tool installation explicit and pins clang-format for more predictable checks; no actionable merge-blocking risk remains after normal checks and review.

Possibly related PRs

• BoundaryML/baml#3553: Both changes update the shared Mise setup, CI workflow, and tool configuration.
• BoundaryML/baml#3688: Both changes update mise.toml and the shared Mise action.

Poem

A rabbit checks the tools in line,
clang-format is pinned just fine.
Mise fetches only what tasks need,
prek hops forward at full speed.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the main change: reducing Mise tools used for pre-commit checks.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch sxlijin/minimize-mise-ci-precommit

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[github-actions]

⏭️ Performance benchmarks were skipped

Perf benchmarks (CodSpeed) are opt-in on pull requests — they no longer run on every push. They always run automatically after merge to canary/main.

To run them on this PR, do any of the following, then push a commit (or re-run CI):

• Add RUN_CODSPEED=1 to the PR description, or
• Include run-perf or /perf in the PR title or any commit message.

[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In @.github/workflows/ci.yaml:
- Around line 455-457: Restore the job-specific install_args for every listed
mise-action site: in .github/workflows/ci.yaml at 455-457, 832-834, and 931-933
use cargo:prek python uv node clang-format, node npm:pnpm protoc protoc-gen-go,
and ast-grep respectively; in .github/workflows/cargo-tests.reusable.yaml at
87-89, 189-191, 284-286, 384-386, 856-858, 1070-1072, 1173-1175, and 1249-1251
restore sccache direnv cargo:cargo-nextest, the applicable matrix.install-args,
sccache direnv, and snapshot-specific sccache direnv python uv cargo:cargo-insta
cargo:cargo-nextest values; restore sccache direnv or sccache direnv clang in
.github/workflows/size-gate.reusable.yaml at 61-63, 146-148, 235-237, 337-339,
and 436-438; and restore github:rustwasm/wasm-pack in
.github/workflows/wasm-pack-tests.reusable.yaml:68-70 and
.github/workflows/webview-tests.reusable.yaml:51-53, 106-108, and 151-153.

🪄 Autofix

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

---

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Configuration used: Repository UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 931892e2-dbff-4d3c-8be0-486c54baeaf5

📥 Commits

Reviewing files that changed from the base of the PR and between 55e1789 and 2957e70.

📒 Files selected for processing (5)

• .github/workflows/cargo-tests.reusable.yaml
• .github/workflows/ci.yaml
• .github/workflows/size-gate.reusable.yaml
• .github/workflows/wasm-pack-tests.reusable.yaml
• .github/workflows/webview-tests.reusable.yaml

[github-actions]

Binary size checks passed

✅ 7 passed

	Artifact	Platform	File	Gzip	Gated on	Baseline	Delta	Status
✅	baml-cli	Linux	🔒 26.2 MB	11.1 MB	file	27.4 MB	-1.2 MB (-4.4%)	OK
✅	packed-program	Linux	🔒 16.9 MB	6.8 MB	file	18.6 MB	-1.7 MB (-8.9%)	OK
✅	baml-cli	macOS	🔒 20.4 MB	9.7 MB	file	21.3 MB	-913.9 KB (-4.3%)	OK
✅	packed-program	macOS	🔒 13.3 MB	6.0 MB	file	14.5 MB	-1.2 MB (-8.1%)	OK
✅	baml-cli	Windows	🔒 21.9 MB	9.9 MB	file	23.0 MB	-1.1 MB (-4.7%)	OK
✅	packed-program	Windows	🔒 14.1 MB	6.1 MB	file	15.5 MB	-1.4 MB (-9.1%)	OK
✅	bridge_wasm	WASM	15.5 MB	🔒 4.2 MB	gzip	4.6 MB	-438.1 KB (-9.5%)	OK

🔒 = the size this artifact is GATED on (ceiling + delta). Binaries gate on file size (installed binary); WASM gates on gzip (download size). The other size is shown for information only.

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Generated by cargo size-gate · workflow run