The speed controls (main game and balancing inspect window) use a top step of 10x, not 4x; align REQ-UI-SPEED, REQ-UI-HOTKEYS, REQ-BAL-SIM-SPEED, and REQ-BAL-UI-INSPECT-WINDOW with the implementation. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Y7N59FsLA5e2kuVdqe4Uhc