🔄 What's Changed

• chore: fix typecheck by @fengmk2 in https://github.com/eggjs/egg/pull/5726
• chore(deps): update pnpm to v10.26.0 by @renovate[bot] in https://github.com/eggjs/egg/pull/5734
• chore(deps): update pnpm to v10.26.1 by @renovate[bot] in https://github.com/eggjs/egg/pull/5736
• chore(deps): update dependency oxlint-tsgolint to ^0.10.0 by @renovate[bot] in https://github.com/eggjs/egg/pull/5730
• chore: update oxfmt to 0.19 by @fengmk2 in https://github.com/eggjs/egg/pull/5737
• chore(build): migrate to tsdown workspace mode by @fengmk2 in https://github.com/eggjs/egg/pull/5738
• test: add e2e tests by @fengmk2 in https://github.com/eggjs/egg/pull/5739
• chore(deps): update oxlint monorepo by @renovate[bot] in https://github.com/eggjs/egg/pull/5741
• chore(deps): update actions/checkout digest to 34e1148 by @renovate[bot] in https://github.com/eggjs/egg/pull/5742
• chore(deps): update dependency @typescript/native-preview to v7.0.0-dev.20251221.1 by @renovate[bot] in https://github.com/eggjs/egg/pull/5729
• chore(deps): update actions/checkout action to v6 by @renovate[bot] in https://github.com/eggjs/egg/pull/5743
• chore(deps): update dependency tsdown to ^0.18.0 by @renovate[bot] in https://github.com/eggjs/egg/pull/5733
• refactor(koa): use @eggjs/cookies instead of cookies by @fengmk2 in https://github.com/eggjs/egg/pull/5744
• chore: add mocha to external by @fengmk2 in https://github.com/eggjs/egg/pull/5746
• deps(typebox): upgrade from @sinclair/typebox to typebox 1.0 by @fengmk2 in https://github.com/eggjs/egg/pull/5745

Full Changelog: https://github.com/eggjs/egg/compare/v4.1.0-beta.35...v4.1.0-beta.36