Aravind 8c51c22c86 Add long-term memory: org-scoped, attributed to a subject, and expiring ...

The first store whose contents are deliberately fed back into a prompt, which
makes it a different kind of table from everything around it. Org-scoped by
product decision: a memory written while one recruiter worked is available to
the next, because a workspace's view of its own hiring should not reset per
seat.

It remembers both kinds asked for — operational facts and observations about
named people — and the second is why most of this code is provenance rather
than payload. "This applicant seemed unreliable", stored automatically and
read into a later hiring answer, is profiling under GDPR and is the artefact an
employment claim is built on. The only thing that makes holding it defensible
is that it can be listed, shown and erased, so:

  - subject_type and subject_id are mandatory for anything personal, refused at
    the door rather than defaulted, because a memory about somebody that names
    nobody cannot be shown to them or deleted for them;
  - Held() answers a subject access request and Forget() answers an erasure,
    each in one statement, and Forget is a soft delete so the erasure itself is
    recorded;
  - every memory carries its author and the run that wrote it, so "why did it
    say that" survives memory entering the picture, and an inference is never
    read back as if a person had written it;
  - everything expires. Ninety days by default: a hiring workspace changes
    shape over a quarter, and a stale fact read as a current one is worse than
    no memory at all.

The block the model sees is fenced and labelled on the same terms as retrieved
documents, for a stronger reason — a memory is text this system wrote about its
own users, so a model that treated it as an instruction would let one run steer
every run after it. It states the origin of each line and says plainly that a
memory is never a reason on its own to accept or reject anybody. That sentence
is pinned by a test.

Recall is semantic where an embedder exists and newest-first where it does not,
and says which happened rather than quietly returning recency. Five memories by
default: this competes for the same prompt as the tool catalogue and the
retrieved block, against a ceiling of 8,000 tokens a minute.

Migration 000017 is WRITTEN AND NOT APPLIED. Nothing is wired into the runtime
yet — this is the store and its rules, reviewable on its own.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

2026-10-07 19:55:08 +05:30

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