Auto-fix lint errors in CI: PRs that fix themselves

Bitrise’s Autofix CI enables self-healing pull request workflows by detecting changes made automatically by linters and formatters, committing them under a bot identity, and pushing them to the PR branch for a new CI run. Teams can add the step after existing lint and formatting commands and configure tools such as SwiftLint, clang-tidy, ktlint, ESLint, and golangci-lint to run in fix mode, reducing failures caused by mechanical issues like unused imports, formatting, or simple convention violations. The feature includes dry-run support, output variables for further automation, configurable treatment of untracked files, and considerations for branch protection settings. Security measures restrict it to non-fork PRs, prevent automated commits when CI configuration files are modified, avoid changes outside PR builds, distinguish bot commits from author commits, and protect Git credentials during pushes. Rather than using an AI agent to resolve remaining lint errors, the approach focuses on deterministic fixes, leaving context-dependent or nontrivial changes to developers or agents already involved in the PR.

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