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Phase 1 UX review

Status: 2026-09-30. Reviewer: UI/UX Designer, against docs/design/** and PLAN §4, on lead/phase-1-integration with the fake venue, at 1440×900 and 390×844 (touch), in both themes. The test browser reported prefers-reduced-motion: reduce, so full-motion behaviour was judged from the code. Trade controls are Phase 1 placeholders. Passed: board column geometry; ladder row heights (28/44), centring, depth bars, spread and last-trade rows; stale greying on board, ladder and scores; reduced-motion price markers; static skeletons; board error Retry; palette Esc and Shift+Enter behaviour; /search in 7–9 ms; mobile price buttons 76×44; contrast.mjs passes. Owner: P = FE-Platform, T = FE-Trading.

Click budgets (measured)