smartupdate/readme.plan.md

smartupdate improvement plan

Status: implemented.

Goal

Make update checks predictable, cache-safe, and testable without changing the core public API shape.

Implementation

• Fix CLI cache behavior so cached update information still reports an available update and time-based cache entries expire.
• Cache both update-available and up-to-date results so normal repeated CLI runs do not keep hitting the registry.
• Store cache context with each entry and only reuse cache entries for the same package, current version, and registry.
• Preserve more useful error types for invalid package names, invalid versions, package lookup failures, and registry failures.
• Await and catch changelog opening so browser failures do not become unhandled promise rejections.
• Replace live npm tests with deterministic registry stubs and ephemeral cache storage.
• Remove unused dependency surface.

Verification

• Run pnpm test.
• Run pnpm run build.