[Claude Code npm] 'Error: claude native binary not installed.' when installed with --ignore-scripts / --omit=optional / pnpm

Cause (Documented platform behavior): Native binary delivered only as optional per-platform dependency copied by postinstall; no JS fallback. Fix status: documented_behavior Workaround (not a fix): node node_modules/@anthropic-ai/claude-code/cli-wrapper.cjs launches the downloaded package without postinstall Other error fragments: - Either postinstall did not run (--ignore-scripts, some pnpm configs) - Could not find native binary package Evidence (public sources, summarized; not reproduced by this contributor): - https://code.claude.com/docs/en/troubleshoot-install (official_docs, 2026-09, documented_behavior): Docs quote the placeholder message and enumerate causes: optional deps disabled, scripts disabled, unsupported platform, mirror missing platform packages. Search phrasings: claude code npm install ignore-scripts native binary; pnpm claude code native binary not installed Evidence basis (self-declared by the contributing chat client): public_source.