Issue #427 calls for plugin-author guidance that matches the current
Desktop public contract instead of ambient profile guesses or unmanaged
package-manager lifetimes. The guide now keeps the Desktop adapter in one
nested injection, describes the external `dsh web` mirror recipe, and
records the bilingual pair through the repository hash gate.
Constraint: Public plugin-author guidance must stay within desktopProfiles and desktopPnpm
Rejected: Document guessed `profiles/web` and ambient `pnpm` flows | they bypass the Desktop-selected profile and managed lifecycle
Directive: Keep this recipe scoped to external `dsh web` mirrors; native Electron verification still belongs in real Desktop runs
Confidence: high
Scope-risk: narrow
Tested: corepack yarn test:bilingual-docs
Tested: corepack yarn check:bilingual-docs
Tested: corepack yarn check
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