sdlc-npm-patterns

Package management discipline for any JavaScript/TypeScript project: dependency declaration, semver, scripts conventions, lockfile hygiene, package-manager detection (npm/yarn/pnpm). Stack-agnostic — referenced by every JS/TS framework plugin in the marketplace. Use this skill to: - Add a dependency correctly (right field, right semver range). - Pick the project's package manager from lockfile. - Define scripts entries that match conventions. - Avoid lockfile mistakes (manual edits, wrong commits). Do NOT use this skill for: - Code-level conventions (see the active framework plugin's conventions skill). - Framework-specific package patterns (NestJS modules, Angular schematics, Expo SDK choice etc.).