feat(standard-constitution): §3.1.1 TypeScript over JavaScript — v1.41

[UnbreakableMJ]

Summary

Syncs the skill encoding to The Steelbore Standard v1.41 (2026-08-04), landed in the Standard repo as §3.1.1.

Companion to Spacecraft-Software/Standard#20.

§3.1 named Rust as the preferred language and prescribed ASLR+CFI where Rust is not viable, but said nothing about the one runtime where that framing does not apply: JavaScript is already memory-safe, so the memory-safety lever is inert. §3.1.1 supplies the missing rule — type safety is the Priority 1 lever on this runtime. Where the JavaScript runtime is genuinely required, the source language MUST be TypeScript; plain JavaScript source becomes a documented exemption.

Requirements encoded

• "strict": true plus noUncheckedIndexedAccess, noImplicitOverride, exactOptionalPropertyTypes
• No any / non-null ! in production paths; @ts-expect-error with a reason instead of @ts-ignore
• Run-time validation at every trust boundary
• tsc --noEmit gates CI — transpile-only pipelines (esbuild, SWC, Bun) do not satisfy the section
• Load spacecraft-typescript-guidelines before writing or reviewing TypeScript

Emitted .js is a derived artifact and out of scope.

Changes

• SKILL.md — §3.1.1 body between §3.1 and §3.2; masthead → v1.41 / 2026-08-04; §16 checklist bullet; spacecraft-typescript-guidelines row in Skill Cross-References.
• SKILL.md frontmatter description → v1.41. It sat at 973/1000 characters with 27 to spare, so the §4.3 LICENSE symlink highlight was rotated out to make room for §3.1.1 TypeScript over JS. Now 978 rendered characters (§5.6 cap: 1000), measured post-folding the way the loader sees it. The §4.3 rule itself is unchanged in the body — only the teaser list moved.
• references/CHANGELOG.md — v1.41 entry mirroring the Standard's.
• Both bundles rebuilt in the same commit (.zip with directory entries, .skill with -D) and byte-verified against the working tree, per the repo's bundling contract — a stale bundle ships broken content to every agent that installs from it.

Verification

• Frontmatter description: 978 rendered chars (folded scalar joined with single spaces + trailing newline) — under the §5.6 cap
• reuse lint — compliant, 606/606 files
• unzip -p … | diff - on both bundle members — SKILL.md and references/CHANGELOG.md match the working tree

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