chore(deps): Bump the npm group with 4 updates

[dependabot]

Bumps the npm group with 4 updates: valibot, @langfuse/client, eslint and prettier.

Updates valibot from 1.4.1 to 1.4.2

Release notes

Sourced from valibot's releases.

v1.4.2

Many thanks to @​Faze-up and @​chatman-media for contributing to this release.

• Fix word count actions to cache the Intl.Segmenter for non-primitive locales, preventing it from being recreated on every words, minWords, maxWords and notWords validation (pull request #1521)
• Fix flatten method to handle issue path keys that collide with Object.prototype members like toString instead of throwing a TypeError (pull request #1522)
• Fix intersect schema to merge object keys that collide with Object.prototype members like toString instead of failing to merge them (pull request #1522)

Commits

• 0dc26ea Bump library version to 1.4.2
• 1bd01c3 fix: handle keys that collide with Object.prototype in flatten and merge (#1522)
• 752c636 docs: clarify string length semantics (#1505)
• a3beff9 fix: cache word-count segmenter for non-primitive locales (#1521)
• 1f9b183 Update FUNDING.yml in fabvor of Open Collective
• 2c63b2a Update logos of partners in README
• 09616b2 Add CodeRabbit as partner and remove Stainless
• 92bcf55 Add Cloudflare to privacy policy page
• 9bb6617 Add Cloudflare as a deploy target to our website (#1508)
• c05bf95 Bump to-json-schema version to 1.7.1
• Additional commits viewable in compare view

Updates @langfuse/client from 5.7.0 to 5.9.0

Release notes

Sourced from @​langfuse/client's releases.

v5.9.0

Full Changelog: langfuse/langfuse-js@v5.8.0...v5.9.0

v5.8.0

What's Changed

• ci(deps): bump the github-actions group with 2 updates by @​dependabot[bot] in langfuse/langfuse-js#850
• feat(vercel-ai-sdk): add AI SDK v7 integration by @​hassiebp in langfuse/langfuse-js#794

Full Changelog: langfuse/langfuse-js@v5.7.0...v5.8.0

Commits

• fd0d45b chore: release v5.9.0
• bb96928 chore: release v5.8.0
• See full diff in compare view

Updates eslint from 10.5.0 to 10.6.0

Release notes

Sourced from eslint's releases.

v10.6.0

Features

• b1f9106 feat: detect Symbol() and BigInt() in no-constant-binary-expression (#20981) (Taejin Kim)
• f291007 feat: add checkRelationalComparisons to no-constant-binary-expression (#20948) (sethamus)

Bug Fixes

• 6b05784 fix: prefer-exponentiation-operator invalid autofix at statement start (#20997) (Milos Djermanovic)
• bb9eb2a fix: account for shadowed Boolean in no-extra-boolean-cast (#21013) (den$)
• 8fd8741 fix: don't report shadowed undefined in radix rule (#21011) (Pixel)
• 5784980 fix: don't report shadowed undefined in no-throw-literal (#21010) (Pixel)
• 9cd1e6d fix: suppress invalid class suggestion in no-promise-executor-return (#21008) (Pixel)
• d4eb2dc fix: don't report shadowed undefined in prefer-promise-reject-errors (#21006) (Pixel)
• 2360464 fix: prefer-promise-reject-errors false positives for shadowed Promise (#21003) (den$)
• 63d52d2 fix: restore max-classes-per-file report range (#21002) (Pixel)
• 7feaff0 fix: callback detection logic for IIFEs in max-nested-callbacks (#20979) (fnx)
• 399a2ec fix: don't report inner non-callbacks in max-nested-callbacks (#20995) (Milos Djermanovic)

Documentation

• a83683d docs: Update README (GitHub Actions Bot)
• f5449f9 docs: document userland patterns for global assertionOptions in RuleT… (#20986) (playgirl)
• bea49f7 docs: Update README (GitHub Actions Bot)
• e5f70f9 docs: update code-path diagrams (#20984) (Tanuj Kanti)
• 8890c2d docs: add TypeScript config guidance for MCP server (#20796) (Pierluigi Lenoci)
• 3eb3d9b docs: Update README (GitHub Actions Bot)
• c5bb59c docs: Update README (GitHub Actions Bot)
• eb3c97c docs: fix grammar in prefer-const rule description (#20983) (lumir)

Chores

• 6a42034 ci: run ecosystem tests on main branch (#20891) (sethamus)
• 3dbacdb ci: bump actions/checkout from 6 to 7 (#21014) (dependabot[bot])
• c3abfca chore: correct JSDoc param types in html formatter (#21018) (Minseon Kim)
• a832320 ci: split ecosystem tests into separate jobs (#21001) (xbinaryx)
• 27166e7 chore: update ecosystem plugins (#21005) (ESLint Bot)
• 865d76e ci: bump pnpm/action-setup from 6.0.8 to 6.0.9 (#20989) (dependabot[bot])
• 27a88c9 chore: update dependency markdown-it to v14 in root (#20994) (Milos Djermanovic)
• 970cea6 chore: update dependency markdown-it to v14 (#20993) (Milos Djermanovic)
• b482120 chore: update dependency prettier to v3.8.4 (#20990) (renovate[bot])
• 6993fb3 chore: update ecosystem plugins (#20985) (ESLint Bot)

Commits

• 5d12a04 10.6.0
• f7ca54b Build: changelog update for 10.6.0
• 6a42034 ci: run ecosystem tests on main branch (#20891)
• b1f9106 feat: detect Symbol() and BigInt() in no-constant-binary-expression (#20981)
• 3dbacdb ci: bump actions/checkout from 6 to 7 (#21014)
• c3abfca chore: correct JSDoc param types in html formatter (#21018)
• a83683d docs: Update README
• a832320 ci: split ecosystem tests into separate jobs (#21001)
• 6b05784 fix: prefer-exponentiation-operator invalid autofix at statement start (#20997)
• bb9eb2a fix: account for shadowed Boolean in no-extra-boolean-cast (#21013)
• Additional commits viewable in compare view

Updates prettier from 3.8.4 to 3.9.1

Release notes

Sourced from prettier's releases.

3.9.1

• CLI: Fix ignored file has been cached incorrectly (#19483 by @​kovsu)

🔗 Changelog

3.9.0

diff

🔗 Prettier 3.9: Major parser upgrades and Formatting improvements

3.8.5

• Fix Flow variance annotation print (#19022 by @​marcoww6)

🔗 Changelog

Changelog

Sourced from prettier's changelog.

3.9.1

diff

CLI: Fix ignored file has been cached incorrectly (#19483 by @​kovsu)

Bug details prettier/prettier#18016

3.9.0

diff

🔗 Release Notes

3.8.5

diff

Flow: Support readonly as a variance annotation (#19022 by @​marcoww6)

Flow now accepts readonly as a property variance annotation, equivalent to + (covariant/read-only).

// Input
type T = {
  readonly foo: string,
};
// Prettier 3.8.4
SyntaxError
// Prettier 3.8.5
type T = {
readonly foo: string,
};

Commits

• c47654c Release 3.9.1
• 06159aa Fix bug in release script
• 4bc5ab4 Update file-entry-cache to 11.1.5 (#19483)
• b7fd58b Release @prettier/plugin-oxc@0.2.0 and @prettier/plugin-hermes@0.2.0
• 3006400 Revert changes in release script
• 7bef7db Git blame ignore 3.9.0
• bb817b1 Bump Prettier dependency to 3.9.0
• 05cf896 Clean changelog_unreleased
• 79f6cdf Disable finished steps
• 3613b1e Add blog post for v3.9 (#19414)
• Additional commits viewable in compare view

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[claude]

LGTM, standard Dependabot bumps (valibot patch, @langfuse/client + eslint + prettier minor).

Extended reasoning...

Overview

This is a Dependabot PR that bumps four dependencies in the npm group: valibot (1.4.1 → 1.4.2, patch), @langfuse/client (5.7.0 → 5.9.0, minor), eslint (10.5.0 → 10.6.0, minor), and prettier (3.8.4 → 3.9.1, minor). Only package.json and pnpm-lock.yaml are modified — no source code touched.

Security risks

None identified. All packages are well-known and from trusted upstream sources (open-circle, langfuse, eslint, prettier). Release notes are limited to bug fixes and small features (Object.prototype collision fixes in valibot, eslint rule improvements, prettier parser upgrades). The only production runtime dependency touched is valibot (patch-only), and @langfuse/client is scoped to devDependencies.

Level of scrutiny

Low. Config-only dependency bumps within the same major version, no API surface changes flagged in the release notes, and CI (lint/format/typecheck/test/build) will catch any incompatibilities before merge. Prettier 3.9's parser upgrade could theoretically reformat code, but that would surface as a format:check failure rather than a runtime issue.

Other factors

No bugs were surfaced by the bug hunting system, no prior reviewer comments on the PR, and the repo has established test/lint/build checks that gate merges. This is exactly the kind of small, mechanical, low-risk change appropriate for shadow approval.

[github-actions]

Experiment Results: 01e00b8

Experiment	Status	Actions
Uppercase (py)	✅ Pass	View GitHub Action Run · View in Langfuse
Uppercase (ts)	✅ Pass	View GitHub Action Run · View in Langfuse
Mixed dir (node)	✅ Pass	View GitHub Action Run · View in Langfuse
Mixed dir (python)	✅ Pass	View GitHub Action Run · View in Langfuse
Regression fixture	❌ Regression	View GitHub Action Run · View in Langfuse

Details

✅ Uppercase (py) (Source)

Score	Value
avg_accuracy	1.000

Item results (3)

Item	Input	Expected	Output	exact_match
1	langfuse	LANGFUSE	LANGFUSE	1.000
2	world	WORLD	WORLD	1.000
3	hello	HELLO	HELLO	1.000

✅ Uppercase (ts) (Source)

Score	Value
avg_accuracy	1.000

Item results (3)

Item	Input	Expected	Output	exact_match
1	langfuse	LANGFUSE	LANGFUSE	1.000
2	world	WORLD	WORLD	1.000
3	hello	HELLO	HELLO	1.000

✅ Mixed dir (node) (Source)

Score	Value
avg_accuracy	1.000

Item results (3)

Item	Input	Expected	Output	exact_match
1	langfuse	LANGFUSE	LANGFUSE	1.000
2	world	WORLD	WORLD	1.000
3	hello	HELLO	HELLO	1.000

✅ Mixed dir (python) (Source)

Score	Value
avg_accuracy	1.000

Item results (3)

Item	Input	Expected	Output	exact_match
1	langfuse	LANGFUSE	LANGFUSE	1.000
2	world	WORLD	WORLD	1.000
3	hello	HELLO	HELLO	1.000

❌ Regression fixture (Source)

RegressionError: synthetic regression triggered by e2e fixture

Item results (3)

Item	Input	Expected	Output	exact_match
1	langfuse	LANGFUSE	LANGFUSE	1.000
2	world	WORLD	WORLD	1.000
3	hello	HELLO	HELLO	1.000