[aicayzer]

Summary

Describes WorkingCopy.remove(store:unsent:), the Swift SDK call for removing a working copy (withmarfa/marfa-swift#377), in a "Remove a copy" section beside "Replace a refused copy". The error table lists unsentDiffers.

Changes

• swift-sdk.mdx: a table row and the section. It says what goes, that the person's agreed count must match the store's, and the refusals unsentDiffers, readingHandle and invalid.

Testing

• pnpm test passed (706 tests, including the content lint).
• Each claim was checked against the core's contract for removal and the SDK's tests in feat(package): follow Marfa 0.0.38 to remove a copy and keep its file budget when replacing marfa-swift#377.
• Merging this branch with docs(swift-sdk): say a replaced refused copy keeps its file budget #643 and docs(devices): describe removing a working copy #646 locally has no conflict. Not run: pnpm build.

Notes for reviewers

• Merge only after the Swift SDK release that carries the call, with docs(swift-sdk): say a replaced refused copy keeps its file budget #643 and docs(devices): describe removing a working copy #646. docs(devices): describe removing a working copy #646 links to this section.

Checklist

• The title is a scoped Conventional Commit.
• New behavior has a test that was seen failing first, or no test was needed and the reason is above.
• Docs, comments and the contract still say what is true after this change.