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Effect v4 beta workflow for this repo. Use when writing, reviewing, migrating, or debugging Effect code, configuring Effect tooling, or deciding how agents should use the vendored Effect source.
Codex または Claude でインストール この Prompt をコピーして Codex、Claude、または他のアシスタントに貼り付けると、Skill ページを確認してインストールできます。
SOC 職業分類に基づく
| name | effect-v4 |
| description | Effect v4 beta workflow for this repo. Use when writing, reviewing, migrating, or debugging Effect code, configuring Effect tooling, or deciding how agents should use the vendored Effect source. |
| metadata | {"internal":true} |
This is an internal project-maintenance skill. It is not published as an installable skill from this repository.
Use Bun and the project-local Effect source. Do not use a global Effect clone.
Read AGENTS.md and repos/effect/LLMS.md before writing Effect code.
Completion criterion: the relevant Effect v4 pattern is grounded in the vendored source or its ai-docs.
Confirm package/source alignment.
Completion criterion: package.json still pins effect@4.0.0-beta.94, and repos/effect remains read-only reference material from subtree split bdca35449d5dfce5b4433da75ec0a88d0a9b2b27.
Implement with Effect-native boundaries.
Completion criterion: async SDK or platform calls enter through Effect.tryPromise; recoverable failures are typed errors; CLI entrypoints run one Effect program at the process boundary.
Keep the subtree out of app tooling.
Completion criterion: tsconfig.json excludes repos, and Bun test scripts target project tests explicitly rather than recursive discovery.
Verify with Bun.
Completion criterion: bun run typecheck and bun run test pass, or failures are explained with the exact command and relevant output.
Effect.gen for command workflows and Effect.fn("name") for reusable functions returning effects.Config over raw env in larger modules, Effect logging over ad hoc logs, Schema over untyped parsing at data boundaries.effect/unstable/* APIs can change.bun add.bun add -d.