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Broken peer dependency #75

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Description

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What version of Effect is running?

No response

What steps can reproduce the bug?

npx create-effect-app --template basic
npm i

What is the expected behavior?

A successful installation of dependencies

What do you see instead?


npm error code ERESOLVE
npm error ERESOLVE unable to resolve dependency tree
npm error
npm error While resolving: @template/basic@0.0.0
npm error Found: vitest@2.1.9
npm error node_modules/vitest
npm error   dev vitest@"^2.0.5" from the root project
npm error   peer vitest@"2.1.9" from @vitest/browser@2.1.9
npm error   node_modules/@vitest/browser
npm error     peerOptional @vitest/browser@"2.1.9" from vitest@2.1.9
npm error   1 more (@vitest/ui)
npm error
npm error Could not resolve dependency:
npm error peer vitest@"^3.0.0" from @effect/vitest@0.23.10
npm error node_modules/@effect/vitest
npm error   dev @effect/vitest@"latest" from the root project
npm error
npm error Fix the upstream dependency conflict, or retry
npm error this command with --force or --legacy-peer-deps
npm error to accept an incorrect (and potentially broken) dependency resolution.
npm error
npm error
npm error For a full report see:
npm error /home/w/.npm/_logs/2025-06-29T23_56_17_104Z-eresolve-report.txt
npm error A complete log of this run can be found in: /home/XXX/.npm/_logs/2025-06-29T23_56_17_104Z-debug-0.log

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