omnigraph/docs/dev/index.md
Ragnor Comerford 2d5c4b1202
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docs: rename runs.md/runs.rs → writes and repoint all references (#131)
The Run state machine was removed in MR-771 (v0.4.0); `docs/dev/runs.md`
and `crates/omnigraph/tests/runs.rs` have since documented and tested the
direct-publish write path, so the "runs" name was misleading.

- git mv docs/dev/runs.md → docs/dev/writes.md (reframe H1 + intro;
  keep MR-771 history note)
- git mv crates/omnigraph/tests/runs.rs → tests/writes.rs (reframe header)
- repoint every runs.md / runs.rs reference across docs, AGENTS.md, and
  source comments
- fix four pre-existing broken `docs/runs.md` links (the file never lived
  at that path) to `docs/dev/writes.md`
- fix the stale v0.4.0 anchor to the live section

No behavior change: every source edit is a comment. Engine builds and the
renamed test passes 25/25; scripts/check-agents-md.sh passes.

The run-removal cleanup itself (run_registry.rs guard, __run__ prefix) is
deferred to MR-770.
2026-05-30 23:20:56 +02:00

3.1 KiB

Developer Docs

Audience: contributors, maintainers, and coding agents

This is the contributor-facing entry point. These docs explain architecture, invariants, implementation contracts, test ownership, and upstream Lance constraints. User-facing behavior should still be documented through docs/user/index.md and the relevant public reference docs.

Required For Every Non-Trivial Change

Need Read
Architectural rules, known gaps, deny-list invariants.md
Upstream Lance source-of-truth index lance.md
Existing test coverage and test placement testing.md

Architecture And Storage

Area Read
System structure, L1/L2 framing, component diagrams architecture.md
On-disk layout, manifest schema, URI behavior storage.md
Direct-publish writes, D2, staged writes, recovery sidecars writes.md
Query execution, mutation execution, loader flow execution.md
Index lifecycle and graph topology indexes indexes.md
Branch and commit internals branches-commits.md
Three-way merge implementation and conflicts merge.md
Diff/change-feed implementation changes.md
Branch protection policy branch-protection.md
CODEOWNERS source of truth codeowners.md

Language, Runtime, And Boundaries

Area Read
Schema grammar, catalog, migration planner schema-language.md
Query grammar, IR, lints, mutation restrictions query-language.md
Embedding client and @embed integration embeddings.md
Cedar policy surface and server gating policy.md
Server auth, OpenAPI, endpoint handlers server.md
Error taxonomy and serialization errors.md
Constants and tunables constants.md
Transaction model public contract transactions.md

Project Operations

Area Read
CI and release workflows ci.md
Install and deployment packaging install.md, deployment.md
Release history releases/

Active Implementation Plans

Working documents for in-flight feature work. Removed when the work lands.

Area Read
Schema-lint chassis v1 (MR-694) — --allow-data-loss, soft/hard drops schema-lint-v1-plan.md
Inline + stored queries, request/response envelope, MCP (MR-656 / MR-976 / MR-969) rfc-001-queries-envelope-mcp.md

Boundary

Developer docs may mention implementation details, stale gaps, upstream Lance blockers, and review rules. User docs should not require that context unless the detail changes the public contract.