Rebase of feat/issue-576-pgvector-semantic-memory onto current main,
preserving the #767 security layer (globalMemoryDelimiter + GLOBAL audit
log) that predates this branch.
Changes layered on top of main:
- Migration 031: embedding vector(1536) column + ivfflat cosine-ops index
(renumbered from 029 — 029/030 were taken by workspace-hibernation and
audit-events)
- Commit: embed-on-write after INSERT, non-fatal on embedding failure
- Search: semantic cosine-distance path when EmbeddingFunc is wired up;
falls back to FTS/ILIKE; GLOBAL delimiter wrapping applies on both paths
- EmbeddingFunc injection pattern; WithEmbedding chainable builder
All security invariants preserved:
- globalMemoryDelimiter wrapping on GLOBAL scope in both semantic + FTS
- GLOBAL write audit log (SHA-256 forensic trail) in Commit
- TestRecallMemory_GlobalScope_HasDelimiter passes
- TestMemoriesCommit_Global_AsRoot passes
- 3 new pgvector tests pass
Co-authored-by: molecule-ai[bot] <276602405+molecule-ai[bot]@users.noreply.github.com>
0195308b73