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56b30c5c5a
- Removed §IX (OSS / Cloud kernel-product split) — business strategy belongs in MR-738, not the technical invariants doc. - Filled the §IV (Additivity / migration) placeholder with five evolution invariants. - Reframed §I to be substrate-agnostic: invariants are about respecting any substrate; Lance / DataFusion are noted as the current chosen substrate rather than as the invariant itself. - Added §VI Database guarantees (12 invariants): atomicity, schema integrity, isolation, durability, causal consistency, determinism, idempotency, no silent loss, bounded operations, failure scope, crash recovery, consistency model. - Added §II.8 wire-protocol agnosticism (kernel transport-agnostic, Flight/HTTP at the server boundary). - Reframed §VII as "Current architectural patterns" — explicitly distinct from invariants. Each pattern entry now names the underlying invariant it realizes (reconciler / Union / mutations-wrap-reads / SIP / factorize / stable row IDs / rank columns / policy predicates / Source). - Pulled specific config defaults out of §VI (timeouts, memory caps); invariant is that bounds exist, values live in docs/constants.md. - Split §IX deny-list into "invariant violations" (high bar) and "pattern violations" (overridable with justification). - Added status legend: decided / open — see MR-X / aspirational. Annotated invariants and patterns that are not yet upheld in current code. - Updated review checklist (§X) to cover database-guarantee dimensions and the wire-protocol / Source / patterns sections. - Updated Living Document policy (§XI) to spell out how to revise patterns, resolve open invariants, and lift aspirational annotations. Source tickets: MR-737, MR-744, MR-765, MR-694 family, MR-722/MR-725. |
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| releases | ||
| architecture.md | ||
| audit.md | ||
| branches-commits.md | ||
| changes.md | ||
| ci.md | ||
| cli-reference.md | ||
| cli.md | ||
| constants.md | ||
| deployment.md | ||
| embeddings.md | ||
| errors.md | ||
| execution.md | ||
| indexes.md | ||
| install.md | ||
| invariants.md | ||
| lance.md | ||
| maintenance.md | ||
| merge.md | ||
| policy.md | ||
| query-language.md | ||
| runs.md | ||
| schema-language.md | ||
| server.md | ||
| storage.md | ||
| testing.md | ||