Bitesize Reading Library V4.7.3 — Validation

PASS — Main app JavaScript syntax checked.
PASS — Builder runtime JavaScript syntax checked.
PASS — Assessment skill-group headings receive a dark high-contrast background.
PASS — Presentation master-canvas fit subtracts stage padding before calculating scale.
PASS — Presentation stage prevents overflow scrollbars after fitting.
PASS — Standards and Assessment guides use local-only dismissal keys and remain manually reopenable.
PASS — V4.7.2 standards-only escape-room migration logic retained.

Recommended live check: open one core comprehension assessment and one native presentation at full screen on the target Windows/Chromebook browser profile.
