fix: make the SPI author line a full sentence

[futamura]

Summary

metadata.authors in .spi.yml was set to Kojiro Futamura and contributors in #89. Reading the Swift Package Index server source shows that value would have rendered as a bare fragment.

Sources/App/Views/PackageController/GetRoute.Model+ext.swift adds the Written by prefix and the full stop only to the line it derives from the commit history:

case .fromSPIManifest(var spiymlAuthors):
    if spiymlAuthors.count > 200 { spiymlAuthors = String(spiymlAuthors.prefix(200)) + "…" }
    return .li(.class("authors"), .text(spiymlAuthors))

case .fromGitRepository(let repositoryAuthors):
    ... listPhrase(opening: "Written by ", nodes: nodes, closing: ".")

So the value has to be a complete sentence. It now reads Written by Kojiro Futamura and contributors., and the comment above it records why. TLDExtractSwift carries the same change.

The page still shows the old derived line, so this lands before the first render rather than correcting it afterwards.

Notes

Sources/App/Controllers/API/API+PackageController+PackageResult.swift reads the manifest from defaultBranchVersion only — a release does not carry the author line forward, which is why 4.0.2 updated the "Latest Release" field but left the author line untouched. SPI's own docs put default-branch .spi.yml changes at up to 24 hours.

Test plan

• .spi.yml parses as valid YAML; metadata.authors is Written by Kojiro Futamura and contributors. and the file is 1029 bytes, under SPIManifest's 1500 byte limit and the 200 character cap on the authors string.
• No source changes, so CI is the usual lint + per-platform tests.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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