2.0.0-alpha.1

ContributeWordPress moves to Swift 6.4 with complete strict concurrency. The asset-download
path is now structured concurrency rather than GCD, which makes Downloader.download and
MarkdownProcessor.begin async throws — a source-breaking change for direct callers, hence
the major version bump from 1.0.0.

Library

• Swift 6.4 support, in-process HTML-to-Markdown, and mise-based linting by @leogdion in #18
• Replace AssetDownloader's DispatchGroup fan-out and its unsynchronized [URL: Error] dictionary with withThrowingTaskGroup, fixing a real data race — each child returns its own result and the parent collects at the join point, so AssetDownloadErrors.swift is deleted rather than lock-guarded by @leogdion in #18
• Make Downloader.download and MarkdownProcessor.begin async throws by @leogdion in #18
• Convert Sources/wpublish/main.swift into a @main type in WPublish.swift, since top-level code cannot await by @leogdion in #18

Tests

• Turn the FileDownloaderSpy and AssetDownloaderSpy test doubles into actors, removing two more NSLocks by @leogdion in #18
• Add a regression test that fans out 200 failing downloads and asserts every error survives by @leogdion in #18

Tooling & CI

• Raise .swift-version to the 6.4.x-snapshot toolchain, matching the rest of the stack by @leogdion in #18
• Move linting to mise with .mise.toml, .swift-format, .swiftlint.yml and Scripts/lint.sh by @leogdion in #18

Full Changelog: 1.0.0...2.0.0-alpha.1