upstream: official claude code updates 2026-06-17

[github-actions]

upstream changes detected

sources: anthropic/official-docs, shanraisshan/claude-code-best-practice
changes found: 2
files edited: 4
staleness flags: 4

what changed upstream

• [commit] Merge pull request feat(cc): eval harness — multi-peer simulation with real measurements #118 from shanraisshan/settings-drift/2026-06-17 (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.	v2.1.176 added enforceAvailableModels restrictions that can block fast mode if the target model is not in the allowlist	medium
docs/comparisons/antigravity.md	antigravity's public preview status and pricing should be re-verified at antigravity.google/pricing. last detailed check was april 9 2026.	doc is from june 2026 but official docs remain inaccessible for verification. current status unknown.	high
docs/tips/monitor.md	not available on bedrock, vertex AI, or microsoft foundry (yet).	official docs page is obfuscated/inaccessible. bedrock/vertex/foundry support status unconfirmed.	medium
docs/cost.md	pricing current as of may 2026 for v2.1.122+	v2.1.179 is now current. pricing may have shifted; need verification against official anthropic pricing page.	medium

proposed edits

• docs/tips/fast-mode.md: v2.1.176 added enforceAvailableModels check on /fast toggle
• docs/tips/hooks-v2.md: v2.1.179 is current; add note about schema evolution
• docs/session-workflow.md: v2.1.179 is current; /doctor is stable diagnostic tool
• docs/tips/settings-hierarchy.md: v2.1.179 is current; schema stability is uncertain across versions

review checklist

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

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