chore(deps)(deps-dev): bump tailwindcss from 3.4.19 to 4.1.18

[dependabot]

Bumps tailwindcss from 3.4.19 to 4.1.18.

Release notes

Sourced from tailwindcss's releases.

v4.1.18

Fixed

• Ensure validation of source(…) happens relative to the file it is in (#19274)
• Include filename and line numbers in CSS parse errors (#19282)
• Skip comments in Ruby files when checking for class names (#19243)
• Skip over arbitrary property utilities with a top-level ! in the value (#19243)
• Support environment API in @tailwindcss/vite (#18970)
• Preserve case of theme keys from JS configs and plugins (#19337)
• Write source maps correctly on the CLI when using --watch (#19373)
• Handle special defaults (like ringColor.DEFAULT) in JS configs (#19348)
• Improve backwards compatibility for content theme key from JS configs (#19381)
• Upgrade: Handle future and experimental config keys (#19344)
• Try to canonicalize any arbitrary utility to a bare value (#19379)
• Validate candidates similarly to Oxide (#19397)
• Canonicalization: combine text-* and leading-* classes (#19396)
• Correctly handle duplicate CLI arguments (#19416)
• Don’t emit color-mix fallback rules inside @keyframes (#19419)
• CLI: Don't hang when output is /dev/stdout (#19421)

v4.1.17

Fixed

• Substitute @variant inside legacy JS APIs (#19263)
• Prevent occasional crash on Windows when loaded into a worker thread (#19242)

v4.1.16

Fixed

• Discard candidates with an empty data type (#19172)
• Fix canonicalization of arbitrary variants with attribute selectors (#19176)
• Fix invalid colors due to nested & (#19184)
• Improve canonicalization for & > :pseudo and & :pseudo arbitrary variants (#19178)

v4.1.15

Fixed

• Fix Safari devtools rendering issue due to color-mix fallback (#19069)
• Suppress Lightning CSS warnings about :deep, :slotted, and :global (#19094)
• Fix resolving theme keys when starting with the name of another theme key in JS configs and plugins (#19097)
• Allow named groups in combination with not-*, has-*, and in-* (#19100)
• Prevent important utilities from affecting other utilities (#19110)
• Don’t index into strings with the theme(…) function (#19111)
• Fix parsing issue when \t is used in at-rules (#19130)
• Upgrade: Canonicalize utilities containing 0 values (#19095)
• Upgrade: Migrate deprecated break-words to wrap-break-word (#19157)

Changed

• Remove the postinstall script from oxide (#19149)

... (truncated)

Changelog

Sourced from tailwindcss's changelog.

[4.1.18] - 2025-12-11

Fixed

• Ensure validation of source(…) happens relative to the file it is in (#19274)
• Include filename and line numbers in CSS parse errors (#19282)
• Skip comments in Ruby files when checking for class names (#19243)
• Skip over arbitrary property utilities with a top-level ! in the value (#19243)
• Support environment API in @tailwindcss/vite (#18970)
• Preserve case of theme keys from JS configs and plugins (#19337)
• Write source maps correctly on the CLI when using --watch (#19373)
• Handle special defaults (like ringColor.DEFAULT) in JS configs (#19348)
• Improve backwards compatibility for content theme key from JS configs (#19381)
• Upgrade: Handle future and experimental config keys (#19344)
• Try to canonicalize any arbitrary utility to a bare value (#19379)
• Validate candidates similarly to Oxide (#19397)
• Canonicalization: combine text-* and leading-* classes (#19396)
• Correctly handle duplicate CLI arguments (#19416)
• Don’t emit color-mix fallback rules inside @keyframes (#19419)
• CLI: Don't hang when output is /dev/stdout (#19421)

Commits

• 9b32f7c Release v4.1.18 (#19431)
• 820d907 Expose candidatesToAst to the language server (#19405)
• 478e959 Don’t emit color-mix fallback rules inside @keyframes (#19419)
• a5f4644 Validate named values in candidate parser (#19397)
• 229121d Canonicalization: combine text-* and leading-* classes (#19396)
• 243615e Handle backwards compatibility for content theme from JS configs (#19381)
• 7642751 Improve compatibility with special default values in JS configs (#19348)
• af48117 remove unnecessary intermediate check
• 9e436f7 Try to canonicalize any arbitrary utility to a bare value (#19379)
• 479b725 Bump Vitest to v4 (#19216)
• Additional commits viewable in compare view

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[augmentcode]

🤖 Augment PR Summary

Summary: Upgrades Tailwind CSS across the repo from v3.x to v4.1.18 (Dependabot).

Changes:

• Bumps tailwindcss in apps/expo devDependencies to ^4.1.18.
• Bumps tailwindcss in packages/tailwind-config devDependencies to ^4.1.18.
• Regenerates pnpm-lock.yaml to resolve Tailwind v4 and updates affected dependency graph entries.
• Removes Tailwind v3-specific transitive packages from the lockfile as they are no longer needed.

Technical Notes: This is a major-version upgrade (3 → 4), so any tooling/config that relies on Tailwind’s v3 APIs/plugins may need to be compatible with v4 (including packages that declare Tailwind as a peer dependency).

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[augmentcode]

Review completed. 1 suggestions posted.

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[augmentcode]

@agent/tailwind-config still declares peerDependencies.tailwindcss as ^3.4.0 while this PR bumps the repo’s Tailwind to ^4.1.18, which will likely create a peer mismatch for consumers (e.g. apps/expo) and may lead to multiple Tailwind versions being installed. Consider aligning the peer range with the Tailwind major you intend to support.

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