tt-a1i/archify (MIT, 57k stars) turns a typed JSON spec into validated,
self-contained interactive HTML diagrams (architecture / workflow /
sequence / dataflow / lifecycle) with a 9-check validate/deliver receipt,
Mermaid import and PNG/SVG/WebM export. The upstream repo already ships a
complete skill directory (archify/), so this follows the impeccable
pattern: a catalog stub whose metadata.hermes.upstream pointer makes
`hermes skills install official/creative/archify` pull the live tree
through OptionalSkillSource._fetch_from_upstream. Nothing executable is
vendored and the copy can never go stale.
Docs: generated page, one catalog row, one sidebar line.
Credit: tt-a1i (upstream author). Supersedes the vendored-references
port in #106442.
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