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DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

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Claude Code v2.1.219

Workshop doc: snapshots, plan-mode writes and verified slugs

Not switched on
Useful2 Signal3
Artifacts

A per-session workshop document gets snapshotted with your session files and is only writable in plan mode.

Workshop doc snapshotting and permissions sit behind tengu_larch_pavise, fallback false, with tengu_cedar_transom as a kill-switch.

Feature flag
tengu_larch_pavise Off in both readings

The flag server returned off for the account this site reads and for the anonymous baseline. A reading of off cannot rule out a rollout these two readings sit outside of.

This account: off · anonymous baseline: off · compiled default in v2.1.219: on

These values were read against a different version of Claude Code, so treat them as the nearest reading available instead of one taken on this release.

tengu_cedar_transom Not enough to say

Nothing here resolved what this flag was doing on this version, so nothing here should be read as on or off.

This account: no value returned · anonymous baseline: no value returned · compiled default in v2.1.219: on

These values were read against a different version of Claude Code, so treat them as the nearest reading available instead of one taken on this release.

Read once, for one account on one subscription tier, against v2.1.219. It isn't a statement about your account. What a flag value here can and cannot tell you

What

The per-session *.workshop.md document is now snapshotted with the rest of the session files and gets explicit read and write permission handling, all behind the workshop gate.

Details
  • gated on the workshop feature gate, combining tengu_larch_pavise (fallback false) with tengu_cedar_transom as a kill-switch
  • the doc is included in the file-snapshot system entry under the key "workshop"
  • it is skipped with a log line when it exceeds the snapshot character cap, and skipped when unchanged
  • write permission for <session>.workshop.md is granted via an includeWorkshopDoc option only when the caller's permission mode is plan, with the mode newly threaded into that check
  • the read side always includes it, so "Plan files for current session are allowed for reading" covers the workshop doc unconditionally
  • publishing a plan records the returned slug in workshopVerifiedSlugs app state
Evidence

Workshop doc over snapshot cap, Plan files for current session are allowed for writing

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

See this entry in the whole of v2.1.219 →