- Add debounced aria-live region that announces visible terminal text
to screen readers (500ms throttle, non-empty trimmed rows only)
- Add role=application, aria-label, aria-roledescription to terminal
- Add prefers-reduced-motion listener: disables cursor blink animation
and sets --terminal-reduce-motion CSS variable
- Add prefers-contrast: more media query with Canvas/CanvasText system
color fallback
- Add visually hidden .terminal-screen-reader CSS utility
- Mark P7 complete in roadmap
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