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 v2.1.221 Home All releases olderv2.1.220 v2.1.222newer

Auto-memory session logs

Not switched on
Useful2 Signal3
Memory Notable not in their notes

Claude has the machinery to write dated session log files for auto-memory, but nothing calls it.

Auto-memory dated session logs sit behind tengu_hazel_quire, off by default, with no caller yet.

Feature flag
tengu_hazel_quire 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 v2.1.221: 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 v2.1.221. It isn't a statement about your account. What a flag value here can and cannot tell you

tengu_hazel_quire
What

Auto-memory gained a gate and helpers for writing dated session log files, but nothing in this build calls them.

Details
  • Adds an isSessionLogEnabled gate plus getAutoMemSessionLogPath and an excluder that recognises the generated files.
  • Paths are logs/YYYY/MM/DD, named from the first 8 characters of the session id and a slug of the title capped at 5 words and 40 characters.
  • Gate is tengu_hazel_quire, fallback false, and additionally requires no active override plus a workspace precondition.
  • Only the exports exist; there is no caller.
Evidence

tengu_hazel_quire

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

See this entry in the whole of v2.1.221 →