Add installer filters for risk, category, and tags so maintainers and
users can ship smaller skill surfaces to context-sensitive runtimes.
Document the reduced-install flow for OpenCode-style hosts, add the
humanize-chinese community skill, and sync the generated catalog and
plugin-safe artifacts that now reflect the release batch.
Refs #437
Refs #440
Refs #443
Import the official Hugging Face ecosystem skills and sync the\nexisting local coverage with upstream metadata and assets.\n\nRegenerate the canonical catalog, plugin mirrors, docs, and release\nnotes after the maintainer merge batch so main stays in sync.\n\nFixes #417
Document the new Claude Code and Codex plugin distributions and explain how root plugins, bundle plugins, and plugin-safe filtering relate to the full library install.\n\nSync the catalog, plugin compatibility artifacts, and generated plugin-safe subsets so main stays consistent before the v9.0.0 release flow.
