testing-actions

Use when writing or reviewing tests for @effected/github-actions, @effected/github, @effected/sbom or @effected/commands — stubbing the GitHub API, writing a service's layerTest or makeTest double, testing the pre/main/post lifecycle through Action.run, or debugging why a test hits the real network or hangs. Also use when: makeTest, layerTest, scripted fetch harness, GitHubClient.layerFixture, two-latch withEnv, reachability walker, discriminating mutant, Sigstore stub Signer, mock GitHubClient