Localize the docs homepage (DocsHome.vue), top nav, and sidebar structural labels into all 20 non-English locales; individual tool names stay English by design. Also derive the homepage tool-count chips from the shared catalog via toolSection() so they no longer drift.
Shared Claude Code translation pipeline (scripts/i18n, no API key) plus Astro/VitePress/Scalar i18n wiring. Landing and API reference translated into all 20 languages; docs i18n wiring + English source anchors. The translated docs markdown (apps/docs/<locale>/**, 3,620 files) follows in a companion PR because it exceeds GitHub's per-PR CI file limit.
