Tasks

• T001 Specify accepted shell scope and native constraints.
• T002 Inspect baseline fixtures; implement scoped styling and native renders.
• T003 Full verification at a clean commit; inspect light/dark and narrow/high-contrast scenes.
• T004 Independent Standards and Spec review, durable evidence and PR99 update.

Execute T001, T002, T003, T004 in order. Existing behavioral coverage is the regression gate for styling.