8 tasks, 7 commits, no worktree. Tasks 1-3 build assets; Task 4 sweeps styles.css palette; Task 5 renames sig-block--blue to --gold; Tasks 6-7 sweep inline colors in 6 TS files + setup.html; Task 8 verifies. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>