Source Intelligence

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.

All of v2.1.120 Home All releases olderv2.1.119 v2.1.121newer
Claude Code v2.1.120

Memory Write Confirmation Dialog

Feature flag
tengu_slate_siskin 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 v2.1.120: no gate table built for this version

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 v2.1.120. It isn't a statement about your account. What a flag value here can and cannot tell you

What

When Claude writes or edits a memory file, a confirmation dialog now appears showing what was saved, with the option to approve or reject the change.

Details
  • Shows "Memory written" or "Memory updated" with a preview of the content (or a one-sentence AI-generated summary for large memories)
  • For edits, displays a diff view; for new memories, displays the body text
  • Auto-hides after a configurable timeout (default 8 seconds) with a countdown indicator
  • Rejecting a memory write undoes the file change (restores the previous content or deletes the file)
  • The summary is generated by Sonnet 4.6 for memories exceeding a line threshold (default: 5 lines)
  • Controlled by the tengu_slate_siskin feature flag (disabled by default)
Evidence

Memory write survey infrastructure with approve/reject dialog — search for "memoryWriteSurvey" and "tengu_slate_siskin"

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

See this entry in the whole of v2.1.120 →