upstream: official claude code updates 2026-05-19

[github-actions]

upstream changes detected

sources: anthropic/official-docs, shanraisshan/claude-code-best-practice
changes found: 4
files edited: 6
staleness flags: 4

what changed upstream

• [commit] chore(readme): bump badge to Claude Code v2.1.144 (May 19, 2026 11:58 PM PKT) (link)
• [commit] chore(agent-collections): scheduled refresh (link)
• [commit] chore(agent-collections): scheduled refresh (link)
• [docs_change] Official Claude Code docs updated (link)

staleness flags

file	claim	reality	severity
docs/tips/fast-mode.md	fast mode keeps you on opus. it does not switch to a cheaper or smaller model.	claude code v2.1.144 now supports multiple models (opus, sonnet, haiku). fast mode behavior may vary by model selection.	medium
docs/cost.md	model pricing table references may 2026 rates	claude code is now at v2.1.144 (may 19 2026). pricing may have shifted since last verification date.	low
docs/comparisons/antigravity.md	antigravity is currently in public preview and free	antigravity.google/pricing status should be re-verified as of may 19 2026	medium
docs/tips/monitor.md	monitor shipped april 9 2026, requires v2.1.98+	monitor is now stable as of v2.1.140+ (noted in docs but tips/monitor.md header could be clearer)	low

proposed edits

• docs/comparisons/README.md: bump verification date to match current claude code release
• docs/comparisons/antigravity.md: update verification date to current release cycle
• docs/cost.md: update verification timestamp to v2.1.144 release
• docs/tips/fast-mode.md: clarify that fast mode applies to whatever model is selected, not just opus
• docs/tips/hooks-v2.md: formalize effort.level hook parameter documented in hooks-v2.md but not prominent
• docs/tips/settings-hierarchy.md: document worktree.baseRef setting that changed in v2.1.133

review checklist

• staleness flags accurate?
• version numbers and pricing correct?
• proposed edits read naturally?

auto-generated by official-watcher