Add server-side detail caching and in-flight request coalescing for marketplace details, reuse a long-lived service across API requests, and parallelize ClawHub detail preview fetches.
Add desktop detail cache/prefetch behavior and render marketplace Markdown/code previews through the existing MarkdownRenderer and CodeViewer components.
Stabilize the H5 diagnostics test on machines where the first non-internal IPv4 address is not a plain LAN address.
Tested: bun test src/server/__tests__/skill-market.test.ts src/server/__tests__/skill-market-install.test.ts
Tested: cd desktop && bun run test -- SkillCenter.test.tsx skillMarketStore.test.ts --run
Tested: bun test src/server/__tests__/h5-access-service.test.ts -t 'getDiagnostics reports stale'
Tested: git diff --check
Tested: bun run check:desktop
Tested: bun run check:server
Not-tested: bun run verify and coverage gates; this is a local handoff, not PR-ready validation.
Confidence: high
Scope-risk: moderate
Tested: bun test src/server/__tests__/skill-market.test.ts
Tested: cd desktop && bun run test -- SkillCenter.test.tsx skillMarketStore.test.ts generalSettings.test.ts ComputerUseSettings.test.ts --run
Tested: cd desktop && bun run test -- persistenceMigrations.test.ts --run
Tested: bun run check:desktop
Tested: real browser smoke for Skill Vetter across white, light, and dark themes
Not-tested: live install of an uninstalled marketplace skill to disk
Confidence: medium
Scope-risk: moderate
Tested: cd desktop && bun run test -- ContentRouter.test.tsx
Tested: cd desktop && bun run test -- tabStore.test.ts
Tested: cd desktop && bun run lint
Tested: git diff --check
Scope-risk: narrow
Confidence: high
