i spent 70+ hours with Opus 5.5 inside Claude Code... here's how to get the best out of it: - set effort to medium at all times, more effort never gave me better outputs - keep your context window under 400k tokens - only use a global claude․md, let the code and your knowledge base do the rest - use git worktrees and keep one main chat as the router - prompt the router to spawn each project's thread in its own worktree, versioning gets easy - use subagents a lot, they keep your main context…