engram: unify write/supersede/reframe onto one set-based region operation #106

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will.anderson wants to merge 1 commits from worktree-agent-a55d5c2d0e8f2c88b into dev

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Author SHA1 Message Date
bigmerge d3d550664e Unify write/supersede/reframe onto one set-based region operation
El SDK CI - dev / build-and-test (pull_request) Failing after 14m53s
Collapses three separate mutation paths (node write, node supersede, and
ad-hoc bulk edits) into a single reframe_core: isolate a region (cosine +
1-hop adjacency), tombstone-supersede it as an immutable set, insert the
replacement manifold, rebind edges by cosine, and persist atomically.
write and supersede become the region-size-0 and region-size-1 degenerate
cases of the same path, eliminating divergent per-route logic. Identity
keystones remain write-protected across all three entry points.
2026-08-15 14:25:41 -05:00