Claude Skills by Nmor

WCAG 2.2 AA + AAA accessibility patterns for every user-facing surface — semantic HTML, ARIA 1.2, keyboard navigation, screen reader support, color contrast, motion preferences, and the 9 new SCs introduced in WCAG 2.2. Also lazy-loads a11y.md content migrated from rules/common/ on 2026-06-02.

VAPID-signed Web Push (RFC 8030, 8291, 8292) — subscribe lifecycle, endpoint hashing, payload size cap, pushsubscriptionchange routing, and how to wire alarms / notifications across browser + service worker.

YAML 1.2.2 discipline — 2-space indent (never tabs), quote every coerce-prone scalar (version strings, country codes, booleans-as-strings), block style by default (flow only for short collections), document start --- when multi-document, schema reference via # yaml-language-server: $schema=...; ecosystem-aware key casing (camelCase for K8s, snake_case for Compose/GitHub Actions, kebab-case for action inputs); the Norway problem (NO parsing as boolean) requires explicit quoting; yamllint at st...