v0.5.3

Highlights

• query_memory now returns cosine similarity and, when used, reranker scores for each
  primary memory. create_memory also includes similarity scores for automatic links.
• create_memory warns when new content closely matches an obsolete memory, including
  its supersession details. Warnings never block creation and can be disabled.

Fixes

• Enforce MEMORY_SIMILARITY_THRESHOLD when creating automatic links, including during
  targeted embedding rebuilds. The default cutoff is 0.7; existing links are retained.
  Fixes #65.
• Accept broader project repository identifiers and recognise equivalent HTTPS, SSH,
  and host-qualified addresses when looking up projects. Project validation failures
  now return useful JSON errors.
  Fixes #72.
• Preserve and regenerate obsolete-memory vectors during full embedding rebuilds on
  SQLite and PostgreSQL. Counts, progress, and validation include obsolete memories,
  while their status and supersession details are preserved.
  Fixes #73.

Tests and documentation

• Include PostgreSQL reranking tests in the E2E suite and verify that reranking runs.
• Isolate PostgreSQL tests with fresh application data and services per test, and wait
  for background events before checking results.
  Fixes #74.
• Correct search and result-ordering documentation, document configuration defaults,
  and update the README presentation.
  Fixes #67.

Contributors

Thanks to @bertheto (Olivier BERTHET) for both merged PRs in this release:

• #66: correct E2E marking for reranking tests.
• #70: search scores and obsolete-memory warnings.

Upgrade notes

• No database schema migration is introduced in this release.
• Obsolete-memory warnings are enabled by default, with a similarity threshold of 0.89
  and up to three matches from the same user's memories across projects. They add a vector
  lookup when creating a memory. Set OBSOLETE_WARNING_ENABLED=false to disable them, or
  adjust OBSOLETE_WARNING_THRESHOLD.
• If a previous full rebuild removed obsolete-memory vectors, run forgetful --re-embed
  once after upgrading, even if the embedding model and dimensions are unchanged. Use the
  full CLI rebuild for this recovery; the targeted rebuild_embeddings tool handles active
  memories only. See the rebuild guide.
• Search scores align with primary_memories. Primary results remain sorted by importance,
  so their position is not necessarily their similarity rank.

Full Changelog: v0.5.2...v0.5.3