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@ClayGendron ClayGendron released this 23 Apr 00:34
· 21 commits to main since this release
v0.0.22
4618686

What's Changed

Added

  • PostgresFileSystem (story 003) — native Postgres backend with pgvector-backed embeddings, native lexical (tsvector + plainto_tsquery) and semantic search, regex pushdown, and explicit schema verification. Respects the model-declared pgvector operator class (vector_cosine_ops, vector_ip_ops, vector_l2_ops) for both distance operator selection (<=>, <#>, <->) and score normalization.
  • Native Postgres pattern-search contract — partial trigram GIN + B-tree text_pattern_ops indexes on vfs_objects.path and .content; verify_native_search_schema fails fast if the required artifacts are missing.
  • Native Postgres meeting_subgraph (story 004) — server-side PL/pgSQL Steiner-tree traversal installed via install_native_graph_schema() and verified at startup.
  • Native MSSQL meeting_subgraph — T-SQL stored procedure with a TVP (GroverSeedList) seed-list input; override routes through a raw aioodbc cursor since SQLAlchemy bindparam can't plumb TVPs.
  • Native MSSQL pushdown for predecessors, successors, ancestors, descendants, neighborhood — previously delegated to the in-memory rustworkx path. Seed/exclusion sets bind as JSON strings unpacked via OPENJSON with an explicit NVARCHAR(450) schema; multi-hop traversals drive a Python BFS loop over single-hop SQL queries to avoid MSSQL's recursive-CTE UNION ALL cycle hazard.
  • /.vfs sidecar namespace (story 002) — canonical /.vfs/<path>/__meta__/... layout for edge storage and metadata. Replaces the prior child-of-file metadata namespace; mkconn is removed.

Changed

  • Result schema unified — the Candidate / Detail chain is collapsed into a flat Entry row with operation metadata hoisted onto the envelope. Backends and the query executor now reason in terms of column projection instead of shape dispatch.
  • Constitution rewritten around four primitives (Namespace, Entry, Revision, Operation) with RFC 2119 precedence language.
  • in_degree / out_degree dropped from VFSObjectBase, Entry projection, and result defaults — graph degrees are no longer part of the entry payload.
  • path / parent_path max length restored to 4096 so SQLModel.metadata.create_all targets SQL Server's VARCHAR(8000) ceiling; deepest sidecar paths (/.vfs/<path>/__meta__/versions) now have headroom.
  • MSSQLFileSystem._grep_impl — WHERE body extracted so the two FROM / ORDER BY branches no longer duplicate the filter body.
  • context/ workspace — research/ migrated into context/standards/, context/stories/, context/learnings/; legacy docs and demo DB fixtures pruned.

Fixed

  • VectorType.process_result_value — reject str / bytes before the iterable fallback so the expected ValueError("expected iterable pgvector value") is raised instead of a downstream per-character float parse error.
  • CI coverage restored above the 99% gate with focused tests for Postgres inverse-edge projections, path/vector helper error handling, model/result rendering, and routing/parser/base/permission edge cases.
  • CI lint / format / type-check regressions from the native search backend work — touched files now pass ruff check, ruff format --check, and ty check src/.

Full Changelog: v0.0.21...v0.0.22

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