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omnigraph/docs/changes.md
Ragnor Comerford a335d98854
Refactor AGENTS.md from encyclopedia to map; move spec into docs/ 
Splits the 990-line AGENTS.md into a 184-line map (architecture,
where-to-find index, always-on invariants, capability matrix,
maintenance contract) plus 18 new docs/*.md files holding the deep
content per topic (storage, schema and query languages, indexes,
embeddings, branches/commits, runs, merge, changes, execution, policy,
server, CLI reference, audit, errors, CI, constants, v0.3.1 notes).

Adds scripts/check-agents-md.sh and a check_agents_md CI job that
verifies every docs/ link in AGENTS.md resolves and every doc in the
canonical set is linked. CLAUDE.md remains a symlink to AGENTS.md.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-04-28 23:31:08 +02:00

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Change Detection / Diff

changes/mod.rs. Three-level algorithm:

  1. Manifest diff: skip sub-tables whose (table_version, table_branch) is unchanged.
  2. Lineage check:
    • Same branch lineage → fast path: use the per-row _row_last_updated_at_version column to classify Insert/Update/Delete.
    • Different lineages → ID-based streaming comparison.
  3. Row-level diff: streaming, no full materialization.

Public API

  • diff_between(from: ReadTarget, to: ReadTarget, filter: Option<ChangeFilter>) -> ChangeSet
  • diff_commits(from_commit_id, to_commit_id, filter) — cross-branch safe.

Types

ChangeOp: Insert | Update | Delete
EntityKind: Node | Edge
EntityChange { table_key, kind, type_name, id, op, manifest_version, endpoints?: {src, dst} }
ChangeFilter { kinds?, type_names?, ops? }
ChangeSet { from_version, to_version, branch?, changes[], stats }