ci: verify Windows contract checkout - #31
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Combine the target branch CodeQL, compatibility, coverage, governance, and issue-contract updates with the pull request LF checkout guard while preserving both rule sets. Constraint: PR #31 must target the current codex/wp0-workflow-hardening head without rebasing or force-pushing. Tested: targeted tools/release workflow tests; make governance-check; actionlint; git diff --cached --check. Confidence: high Scope-risk: moderate Co-authored-by: OmX <omx@oh-my-codex.dev>
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Summary - add
.gitattributesthat enforces LF checkout for supported source, generated-contract, fixture, and documentation text formats while retaining database and media fixtures as binary - add a Windows 2025 checkout-onlywindows-contractjob with no binary-support claim - verify LF attributes, all six frozen Python v0.0.2 fixture SHA-256 values, and generated-contract/worktree cleanliness on Windows - register the workflow in the release workflow topology contract and CI documentation ## Rationale WP0-B in #3 requires a lightweight Windows checkout boundary that catches CRLF drift without treating Windows as a supported binary-release target. Before this change the repository had no.gitattributes; a contributor'score.autocrlfcould rewrite hashed JSON fixtures or generated contracts. A native fresh Git clone withcore.autocrlf=truewas created from the exact submitted tree. The fixture hashes matched,authority-rows.jsonreportedeol: lf, and the contract paths had no diff. This PR is stacked on #30 (codex/wp0-workflow-hardening). ## Behavior, API, and compatibility - no application, public API, protocol, dependency, or generated-contract behavior change - database fixtures remain binary and never receive line-ending conversion - the Windows job checks checkout bytes and contract cleanliness only; it does not build or publish a Windows binary ## Validation - native fresh Windows-style clone withcore.autocrlf=true: all frozen fixture SHA-256 values matched and contract diff was clean -make governance-check-go test ./...-make lint(0 issues) -make check-make check-generated-make license-check-go run github.com/rhysd/actionlint/cmd/actionlint@v1.7.12-git diff --cached --checkExact head validated:c69c5f9176bae51bdd5041d380a073e5599a83de. ## AI usage Implemented with Codex assistance. The workflow, Git attributes, and topology test were self-reviewed and verified with the commands above.