docs: sync from docs/wiki
docs: the eleven wiki pages, with pictures Copied from docs/wiki in the code repo, which stays the source of truth: the pages are reviewed like code there and pushed here afterwards. Images point at raw.githubusercontent, so regenerating them updates both places at once. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_0163t7dKcLMssLbumsfgDvZP