omnigraph/openapi.json
devin-ai-integration[bot] 1a4d2cee97
feat: inline query strings in CLI and HTTP server (#110)
* feat(MR-656): inline query strings in CLI and HTTP server

CLI:
- Add -e / --query-string <STRING> to omnigraph read and omnigraph change
- Exactly one of --query, --query-string, --alias is required (3-way XOR)
- Empty --query-string is rejected with a clear error

HTTP:
- New POST /query (read-only, clean field names: query/name/params/branch/snapshot)
- Mutations on /query are rejected with 400 -- use POST /change instead
- ChangeRequest fields polished: query (alias query_source), name (alias query_name)
- POST /read and POST /change remain byte-compatible for existing clients

Tests:
- cli.rs: -e happy-path on read/change, mutex error vs --query, empty -e rejected
- system_local.rs: inline -e read and -e change exercise the local flow
- system_remote.rs: inline -e read/change over HTTP plus direct /query 200/400
- server.rs: /query 200, /query 400 on mutation, /change legacy field alias
- openapi.rs: new /query path, QueryRequest schema, ChangeRequest field-name polish

Docs: cli.md (-e examples), cli-reference.md (read/change rows), server.md (/query)
Co-Authored-By: Ragnor Comerford <ragnor.comerford@gmail.com>

* feat(MR-656): rename read/change to query/mutate with deprecation signals

HTTP server:
- Add POST /mutate as canonical write endpoint (pairs with POST /query).
- Mark POST /read and POST /change as deprecated. Three-channel signal:
  * OpenAPI: `deprecated: true` on the operation (every codegen flags
    the generated SDK method).
  * RFC 9745: response `Deprecation: true` header on every response.
  * RFC 8288: response `Link: </successor>; rel="successor-version"`
    pointing at /query and /mutate respectively.
- Share business logic across /mutate and /change via run_mutate(); the
  /change wrapper is the only place that adds the deprecation headers.
- ChangeRequest field aliases (query_source/query_name) preserved.
- AliasCommand serde now accepts `query`/`mutate` alongside `read`/`change`.

CLI:
- Promote `omnigraph query` / `omnigraph mutate` to top-level canonical
  subcommands (clap visible_alias keeps `omnigraph read` / `omnigraph
  change` working forever).
- Promote `omnigraph lint` / `omnigraph check` to top-level (was nested
  under `omnigraph query lint`, which is now a deprecated argv shim that
  rewrites to the canonical form).
- Argv-level preprocessing prints a one-line deprecation warning to
  stderr when any legacy spelling is used. Canonical names are silent.

Tests:
- Server: /mutate works, /change emits Deprecation+Link headers, /read
  emits Deprecation+Link headers, /query carries no deprecation signal.
- OpenAPI: /read and /change flagged deprecated; /query and /mutate not.
- CLI: canonical `lint` matches deprecated `query lint` / `query check`
  output; `read` / `change` print deprecation warnings.

Docs:
- cli.md: new canonical examples; "Deprecated names" migration table.
- cli-reference.md: top-level table updated; aliases.<name>.command
  accepts both legacy and canonical spellings.
- server.md: endpoint inventory shows /query and /mutate as canonical
  and /read and /change as deprecated; dedicated section explains the
  three-channel deprecation signal.
- og-cheet-sheet.md: use new `omnigraph lint` / `omnigraph check`.
- openapi.json regenerated.

Migration is purely cosmetic — every deprecated form continues to work
indefinitely; only the spelling changes.

Co-Authored-By: Ragnor Comerford <ragnor.comerford@gmail.com>

* fix(MR-656): address Devin Review findings on /query and /change

Two issues raised by Devin Review on PR #110:

1. `POST /query` mutation-rejection error pointed at the deprecated
   `/change` endpoint instead of the canonical `/mutate`. Fixed in
   three places: the runtime error message in `server_query`, the
   utoipa 400-response description, and the handler doc comment. The
   `QueryRequest` schema docstrings in `api.rs` got the same update so
   the openapi.json bodies match. Server and openapi tests updated.

2. `execute_change_remote` serialized `ChangeRequest` directly, which
   emits the new canonical field names `query` / `name` on the wire.
   `#[serde(alias = "query_source")]` only affects deserialization, so
   a newer CLI talking to an older server would have its `/change`
   POST body fail with "missing field: query_source". Fixed by
   extracting a `legacy_change_request_body` helper that hand-rolls
   the JSON with the legacy keys (`query_source` / `query_name`), the
   same byte-stable contract `execute_read_remote` already uses
   against `/read`. Added two unit tests on the helper to lock the
   wire shape in.

Co-Authored-By: Ragnor Comerford <ragnor.comerford@gmail.com>

* docs(dev): RFC 001 — inline + stored queries, envelope, MCP

Tracked artifact consolidating the design across MR-656 (this branch),
MR-976 (Phase 1 envelope hardening parent, with MR-977/978/979/980
sub-issues), and MR-969 (stored queries + MCP).

Sections:

* Two paths, one engine — inline `/query` + `/mutate` (this PR) coexist
  with stored `/queries/{name}` (MR-969). Same `run_query` / `run_mutate`
  backend (the fold-in landed in the previous commit).
* Request envelope ("before") — Idempotency-Key, If-Match, X-Deadline,
  X-Trace-Id, expect, dry_run, fields. Phase 1 ships the load-bearing
  subset on `/mutate`.
* Response envelope ("after") — audit_id, snapshot_id, commit_id, stats,
  warnings. Closes the provenance loop today's `ChangeOutput` leaves
  open.
* `.gq` pragmas — `@description`, `@returns`, `@mcp`. Source-of-truth
  for the stored-query agent contract; no separate YAML registry.
* Multi-graph MCP — per-graph `/graphs/{id}/mcp/tools` + `/mcp/invoke`.
  Token binds to one graph by default; cross-graph agents loop.
* Cedar split — `read`/`change` for inline, `invoke_query` for stored.
  Operators deny ad-hoc for agent groups while keeping curated tool
  list open.
* Rejected alternatives — per-env override files, compiled bundles,
  tool-name prefixing across graphs, body-field graph dispatch.

Index entry added under "Active Implementation Plans" so future agents
land on the RFC before touching queries / mutations / envelope code.
`scripts/check-agents-md.sh` clean (35 links, 34 docs).

* docs(server): clarify why run_query lacks AppState parameter

run_mutate takes state for workload admission; run_query doesn't because
reads aren't admission-gated today. Mark the asymmetry as intentional and
flag the two future events that would grow the signature: Phase 1's
`expect: { max_rows_scanned: N }` budget (MR-976) or per-actor admission
extending to stored-read invocations (MR-969). Prevents the natural
"make these symmetrical" follow-up.

* refactor(server): run_query / run_mutate take &ResolvedActor

Replace `Option<Extension<ResolvedActor>>` in the helpers with
`Option<&ResolvedActor>`. Saves MR-969's stored-query handler from
wrapping a bare actor in axum's `Extension(...)` before calling.
Handler signatures (`server_query`, `server_read`, `server_mutate`,
`server_change`) keep `Option<Extension<ResolvedActor>>` because that
is what axum injects, and unwrap at the call site with
`actor.as_ref().map(|Extension(actor)| actor)`.

Net: -13/+10 LOC, 89/0 server tests pass.

* docs(releases): v0.6.0 — describe inline + canonical-named queries (MR-656)

Extend the v0.6.0 release notes to cover the third piece of work landing
alongside the graph terminology rename and multi-graph server mode:
canonical-named `POST /query` and `POST /mutate` endpoints, the CLI's
new `-e/--query-string` flag, the top-level promotion of `lint` /
`check`, and the three-channel deprecation signal on `/read` and
`/change` (OpenAPI `deprecated: true` + RFC 9745 + RFC 8288).

Additions:

* Top blurb: "Two pieces" -> "Three pieces" with a bullet describing
  the rename + inline flow.
* Breaking Changes: new "Query / mutation rename" subsection covering
  the `ChangeRequest` field rename (with the back-compat serde aliases
  and the CLI's `legacy_change_request_body` byte-stable wire helper)
  and the `omnigraph query lint` -> `omnigraph lint` move.
* New: 5 bullets — the two endpoints, the CLI subcommands, the `-e`
  flag, the deprecation signal channels, the widened `aliases.<name>.command`
  vocabulary.
* User Impact: one bullet making explicit that the rename is cosmetic
  on the client side and migration is voluntary.
* Documentation: pointers to the updated `server.md` / `cli.md` /
  `cli-reference.md` and the new `docs/dev/rfc-001-queries-envelope-mcp.md`.

+15/-1 lines. `./scripts/check-agents-md.sh` clean.

* refactor(cli): demote `check` from visible_alias to deprecation shim

`omnigraph check` was a clap `visible_alias` on `lint`, advertised in
`--help` as an equivalent canonical name. Per MR-981 §6 (long-form
flags as canonical, short forms as visible aliases), visible aliases
on subcommand names hurt agent CX: agents emit either spelling
depending on training-data drift, and there's no length signal
pointing at the canonical name.

Changes:

* Remove `#[command(visible_alias = "check")]` from the `Lint` variant.
  `omnigraph --help` now shows only `lint`.
* Add bare `check` to `rewrite_deprecated_argv` so `omnigraph check
  <args>` still works — it rewrites to `omnigraph lint <args>` and
  emits a one-line stderr deprecation warning, matching the existing
  pattern for `read` / `change` / `query lint` / `query check`.
* Fix the nested `query check` shim to substitute `check` -> `lint` in
  the rewritten argv (previously it relied on `check` being a
  visible_alias to reach the `Lint` variant).
* New test `deprecated_check_top_level_rewrites_to_lint` covers: bare
  `check` produces identical stdout to `lint`, emits the deprecation
  warning, and `check` does NOT appear as an alias in `omnigraph
  --help`.
* Release notes updated to reflect the deprecation-shim treatment and
  cross-reference MR-981 §6 reasoning.

Cargo / Go users typing `check` still work indefinitely; one stderr
nudge per invocation teaches the canonical name. Agents see only
`lint` in `--help --json` so they emit one canonical form.

67/0 omnigraph-cli tests pass; 39 workspace test suites green.

---------

Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>
Co-authored-by: Ragnor Comerford <ragnor.comerford@gmail.com>
Co-authored-by: Ragnor Comerford <hello@ragnor.co>
2026-05-29 13:41:54 +02:00

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{
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"info": {
"title": "Omnigraph API",
"description": "HTTP API for the Omnigraph graph database",
"license": {
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"identifier": "MIT"
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},
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"description": "Merges `source` into `target` (defaults to `main`). Outcome is one of\n`already_up_to_date`, `fast_forward`, or `merged`. Returns 409 with the\nlist of conflicts if the merge cannot be completed; the target is left\nunchanged in that case. **Destructive** to `target` on success.",
"operationId": "mergeBranches",
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},
"/branches/{branch}": {
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],
"summary": "Delete a branch.",
"description": "**Irreversible.** Removes the branch pointer; commits remain reachable\nonly if referenced by another branch. Returns 404 if the branch does not\nexist.",
"operationId": "deleteBranch",
"parameters": [
{
"name": "branch",
"in": "path",
"description": "Branch name to delete",
"required": true,
"schema": {
"type": "string"
}
}
],
"responses": {
"200": {
"description": "Branch deleted",
"content": {
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}
}
}
},
"401": {
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"/change": {
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"tags": [
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],
"summary": "**Deprecated** — use [`POST /mutate`](#tag/mutations/operation/mutate) instead.",
"description": "Apply a GQ mutation to a branch. Behavior is unchanged; the route is\nkept indefinitely for back-compat. New integrations should target\n`POST /mutate`, which has identical semantics and a name that pairs\ncleanly with `POST /query`. Responses from this route include\n`Deprecation: true` and `Link: </mutate>; rel=\"successor-version\"`\nheaders per RFC 9745 / RFC 8288 so SDKs and proxies can surface the\nsignal.",
"operationId": "change",
"requestBody": {
"content": {
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"schema": {
"$ref": "#/components/schemas/ChangeRequest"
}
}
},
"required": true
},
"responses": {
"200": {
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"content": {
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"schema": {
"$ref": "#/components/schemas/ChangeOutput"
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"$ref": "#/components/schemas/ErrorOutput"
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"description": "Merge conflict",
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"schema": {
"$ref": "#/components/schemas/ErrorOutput"
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"/commits": {
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],
"summary": "List commits.",
"description": "Filter by `branch` to get the commits on a single branch (most recent\nfirst); omit to list across all branches. Read-only.",
"operationId": "listCommits",
"parameters": [
{
"name": "branch",
"in": "query",
"required": false,
"schema": {
"type": [
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"null"
]
}
}
],
"responses": {
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"description": "List of commits",
"content": {
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"schema": {
"$ref": "#/components/schemas/CommitListOutput"
}
}
}
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}
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{
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]
}
},
"/commits/{commit_id}": {
"get": {
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"commits"
],
"summary": "Get a single commit.",
"description": "Returns the commit's manifest version, parent commit(s), and creation\nmetadata. Read-only.",
"operationId": "getCommit",
"parameters": [
{
"name": "commit_id",
"in": "path",
"description": "Commit identifier",
"required": true,
"schema": {
"type": "string"
}
}
],
"responses": {
"200": {
"description": "Commit details",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/CommitOutput"
}
}
}
},
"401": {
"description": "Unauthorized",
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}
},
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}
},
"404": {
"description": "Commit not found",
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}
},
"security": [
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]
}
},
"/export": {
"post": {
"tags": [
"queries"
],
"summary": "Stream the contents of a branch as NDJSON.",
"description": "Emits one JSON object per line (`application/x-ndjson`). Filter with\n`type_names` (node/edge type names) and/or `table_keys`; both empty\nstreams the entire branch. Suitable for large exports — the response is\nstreamed, not buffered. Read-only.",
"operationId": "export",
"requestBody": {
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/ExportRequest"
}
}
},
"required": true
},
"responses": {
"200": {
"description": "Exported data as NDJSON",
"content": {
"application/x-ndjson": {}
}
},
"400": {
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"schema": {
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},
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}
}
}
},
"security": [
{
"bearer_token": []
}
]
}
},
"/graphs": {
"get": {
"tags": [
"management"
],
"summary": "List every graph currently registered with this server (MR-668).",
"description": "Multi-graph mode only. In single mode, the route returns 405 — there's\nno registry to enumerate. Cedar-gated by the server-level policy via\nthe `graph_list` action against `Omnigraph::Server::\"root\"`.\n\nOrder: alphabetical by `graph_id` (server-sorted so clients see\ndeterministic output across requests).",
"operationId": "listGraphs",
"responses": {
"200": {
"description": "List of registered graphs",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/GraphListResponse"
}
}
}
},
"401": {
"description": "Unauthorized",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/ErrorOutput"
}
}
}
},
"403": {
"description": "Forbidden",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/ErrorOutput"
}
}
}
},
"405": {
"description": "Method not allowed (single-graph mode)",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/ErrorOutput"
}
}
}
}
},
"security": [
{
"bearer_token": []
}
]
}
},
"/healthz": {
"get": {
"tags": [
"health"
],
"summary": "Liveness probe.",
"description": "Returns server status and version. Unauthenticated; safe to call from any\ncaller. Use this to confirm the server is reachable before invoking other\nendpoints.",
"operationId": "health",
"responses": {
"200": {
"description": "Server is healthy",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/HealthOutput"
}
}
}
}
}
}
},
"/ingest": {
"post": {
"tags": [
"mutations"
],
"summary": "Bulk-ingest NDJSON data into a branch.",
"description": "`data` is NDJSON with one record per line. `mode` controls behavior on\nexisting rows: `merge` upserts by id (default), `append` blindly inserts,\n`overwrite` replaces table contents. If `branch` does not exist it is\ncreated from `from` (defaults to `main`). **Destructive** when `mode` is\n`overwrite` or when ingest produces conflicting writes.",
"operationId": "ingest",
"requestBody": {
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/IngestRequest"
}
}
},
"required": true
},
"responses": {
"200": {
"description": "Ingest results",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/IngestOutput"
}
}
}
},
"400": {
"description": "Bad request",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/ErrorOutput"
}
}
}
},
"401": {
"description": "Unauthorized",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/ErrorOutput"
}
}
}
},
"403": {
"description": "Forbidden",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/ErrorOutput"
}
}
}
},
"429": {
"description": "Per-actor admission cap exceeded; honor `Retry-After` header",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/ErrorOutput"
}
}
}
}
},
"security": [
{
"bearer_token": []
}
]
}
},
"/mutate": {
"post": {
"tags": [
"mutations"
],
"summary": "Apply a GQ mutation to a branch (canonical mutation endpoint).",
"description": "Writes to the named `branch` (defaults to `main`). Mutations are atomic\nper call and produce a new commit. Returns counts of nodes and edges\naffected. **Destructive**: on success the branch is updated; rejected\nmutations may still acquire locks briefly. Returns 409 on merge conflict.\n\nPairs with `POST /query` (read-only). The legacy `POST /change` route\nhas identical semantics and is kept as a deprecated alias.",
"operationId": "mutate",
"requestBody": {
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/ChangeRequest"
}
}
},
"required": true
},
"responses": {
"200": {
"description": "Mutation results",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/ChangeOutput"
}
}
}
},
"400": {
"description": "Bad request",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/ErrorOutput"
}
}
}
},
"401": {
"description": "Unauthorized",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/ErrorOutput"
}
}
}
},
"403": {
"description": "Forbidden",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/ErrorOutput"
}
}
}
},
"409": {
"description": "Merge conflict",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/ErrorOutput"
}
}
}
},
"429": {
"description": "Per-actor admission cap exceeded; honor `Retry-After` header",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/ErrorOutput"
}
}
}
}
},
"security": [
{
"bearer_token": []
}
]
}
},
"/query": {
"post": {
"tags": [
"queries"
],
"summary": "Execute an inline read query (friendlier-named alternative to `POST /read`).",
"description": "Designed for ad-hoc exploration and AI-agent tool-use: short field\nnames (`query`, `name`) match the CLI `-e` flag and the GQ `query`\nkeyword. Mutations (`insert`/`update`/`delete`) are rejected with 400\n-- use `POST /mutate` (or its deprecated alias `POST /change`) for\nwrite queries. Otherwise behaves identically to `POST /read`: same\ntarget semantics (branch xor snapshot), same Cedar action (Read),\nsame response shape.",
"operationId": "query",
"requestBody": {
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/QueryRequest"
}
}
},
"required": true
},
"responses": {
"200": {
"description": "Query results",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/ReadOutput"
}
}
}
},
"400": {
"description": "Bad request - also returned when the query body contains mutations; use POST /mutate (or its deprecated alias POST /change) for write queries",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/ErrorOutput"
}
}
}
},
"401": {
"description": "Unauthorized",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/ErrorOutput"
}
}
}
},
"403": {
"description": "Forbidden",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/ErrorOutput"
}
}
}
}
},
"security": [
{
"bearer_token": []
}
]
}
},
"/read": {
"post": {
"tags": [
"queries"
],
"summary": "**Deprecated** — use [`POST /query`](#tag/queries/operation/query) instead.",
"description": "Execute a GQ read query. Behavior is unchanged from prior releases; the\nroute is kept indefinitely for byte-stable back-compat. New integrations\nshould target `POST /query`, which has clean field names (`query` /\n`name`) and a 400-on-mutation guard. Responses from this route include\n`Deprecation: true` and `Link: </query>; rel=\"successor-version\"`\nheaders per RFC 9745 / RFC 8288 so SDKs and proxies can surface the\nsignal.",
"operationId": "read",
"requestBody": {
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/ReadRequest"
}
}
},
"required": true
},
"responses": {
"200": {
"description": "Query results (response includes `Deprecation: true` + `Link: </query>; rel=\"successor-version\"`)",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/ReadOutput"
}
}
}
},
"400": {
"description": "Bad request",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/ErrorOutput"
}
}
}
},
"401": {
"description": "Unauthorized",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/ErrorOutput"
}
}
}
},
"403": {
"description": "Forbidden",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/ErrorOutput"
}
}
}
}
},
"deprecated": true,
"security": [
{
"bearer_token": []
}
]
}
},
"/schema": {
"get": {
"tags": [
"schema"
],
"summary": "Read the current schema source.",
"description": "Returns the project's schema as a single string in `.pg` source form.\nUseful for clients that want to introspect available types and tables\nbefore constructing GQ queries. Read-only.",
"operationId": "getSchema",
"responses": {
"200": {
"description": "Current schema source",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/SchemaOutput"
}
}
}
},
"401": {
"description": "Unauthorized",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/ErrorOutput"
}
}
}
},
"403": {
"description": "Forbidden",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/ErrorOutput"
}
}
}
}
},
"security": [
{
"bearer_token": []
}
]
}
},
"/schema/apply": {
"post": {
"tags": [
"mutations"
],
"summary": "Apply a schema migration.",
"description": "Diffs `schema_source` against the current schema and applies the resulting\nmigration steps (add/drop type, add/drop column, etc.). **Destructive**:\nsome steps drop data. Returns the list of steps applied; if `applied` is\nfalse the diff was unsupported and no changes were made.",
"operationId": "applySchema",
"requestBody": {
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/SchemaApplyRequest"
}
}
},
"required": true
},
"responses": {
"200": {
"description": "Schema apply results",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/SchemaApplyOutput"
}
}
}
},
"400": {
"description": "Bad request",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/ErrorOutput"
}
}
}
},
"401": {
"description": "Unauthorized",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/ErrorOutput"
}
}
}
},
"403": {
"description": "Forbidden",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/ErrorOutput"
}
}
}
},
"429": {
"description": "Per-actor admission cap exceeded; honor `Retry-After` header",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/ErrorOutput"
}
}
}
}
},
"security": [
{
"bearer_token": []
}
]
}
},
"/snapshot": {
"get": {
"tags": [
"snapshots"
],
"summary": "Read the current snapshot of a branch.",
"description": "Returns the manifest version plus per-table metadata (path, version, row\ncount) for every table on the branch. Defaults to `main` when `branch` is\nomitted. Read-only.",
"operationId": "getSnapshot",
"parameters": [
{
"name": "branch",
"in": "query",
"required": false,
"schema": {
"type": [
"string",
"null"
]
}
}
],
"responses": {
"200": {
"description": "Database snapshot",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/SnapshotOutput"
}
}
}
},
"401": {
"description": "Unauthorized",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/ErrorOutput"
}
}
}
},
"403": {
"description": "Forbidden",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/ErrorOutput"
}
}
}
}
},
"security": [
{
"bearer_token": []
}
]
}
}
},
"components": {
"schemas": {
"BranchCreateOutput": {
"type": "object",
"required": [
"uri",
"from",
"name"
],
"properties": {
"actor_id": {
"type": [
"string",
"null"
]
},
"from": {
"type": "string"
},
"name": {
"type": "string"
},
"uri": {
"type": "string"
}
}
},
"BranchCreateRequest": {
"type": "object",
"required": [
"name"
],
"properties": {
"from": {
"type": [
"string",
"null"
],
"description": "Parent branch to fork from. Defaults to `main`."
},
"name": {
"type": "string",
"description": "Name of the new branch. Must not already exist."
}
}
},
"BranchDeleteOutput": {
"type": "object",
"required": [
"uri",
"name"
],
"properties": {
"actor_id": {
"type": [
"string",
"null"
]
},
"name": {
"type": "string"
},
"uri": {
"type": "string"
}
}
},
"BranchListOutput": {
"type": "object",
"required": [
"branches"
],
"properties": {
"branches": {
"type": "array",
"items": {
"type": "string"
}
}
}
},
"BranchMergeOutcome": {
"type": "string",
"enum": [
"already_up_to_date",
"fast_forward",
"merged"
]
},
"BranchMergeOutput": {
"type": "object",
"required": [
"source",
"target",
"outcome"
],
"properties": {
"actor_id": {
"type": [
"string",
"null"
]
},
"outcome": {
"$ref": "#/components/schemas/BranchMergeOutcome"
},
"source": {
"type": "string"
},
"target": {
"type": "string"
}
}
},
"BranchMergeRequest": {
"type": "object",
"required": [
"source"
],
"properties": {
"source": {
"type": "string",
"description": "Source branch whose commits will be merged."
},
"target": {
"type": [
"string",
"null"
],
"description": "Target branch that will receive the merge. Defaults to `main`."
}
}
},
"ChangeOutput": {
"type": "object",
"required": [
"branch",
"query_name",
"affected_nodes",
"affected_edges"
],
"properties": {
"actor_id": {
"type": [
"string",
"null"
]
},
"affected_edges": {
"type": "integer",
"minimum": 0
},
"affected_nodes": {
"type": "integer",
"minimum": 0
},
"branch": {
"type": "string"
},
"query_name": {
"type": "string"
}
}
},
"ChangeRequest": {
"type": "object",
"required": [
"query"
],
"properties": {
"branch": {
"type": [
"string",
"null"
],
"description": "Target branch. Defaults to `main`."
},
"name": {
"type": [
"string",
"null"
],
"description": "Name of the mutation to run when `query` declares multiple.\n\nAccepts the legacy field name `query_name` as a deserialization alias."
},
"params": {
"description": "JSON object whose keys match the mutation's declared parameters."
},
"query": {
"type": "string",
"description": "GQ mutation source containing `insert`, `update`, or `delete` statements.\nMay declare multiple named mutations; pick one with `name`.\n\nAccepts the legacy field name `query_source` as a deserialization alias.",
"example": "query insert_person($name: String, $age: I32) {\n insert Person { name: $name, age: $age }\n}"
}
}
},
"CommitListOutput": {
"type": "object",
"required": [
"commits"
],
"properties": {
"commits": {
"type": "array",
"items": {
"$ref": "#/components/schemas/CommitOutput"
}
}
}
},
"CommitOutput": {
"type": "object",
"required": [
"graph_commit_id",
"manifest_version",
"created_at"
],
"properties": {
"actor_id": {
"type": [
"string",
"null"
]
},
"created_at": {
"type": "integer",
"format": "int64",
"description": "Commit creation time as Unix epoch microseconds.",
"example": 1714000000000000
},
"graph_commit_id": {
"type": "string"
},
"manifest_branch": {
"type": [
"string",
"null"
]
},
"manifest_version": {
"type": "integer",
"format": "int64",
"minimum": 0
},
"merged_parent_commit_id": {
"type": [
"string",
"null"
]
},
"parent_commit_id": {
"type": [
"string",
"null"
]
}
}
},
"ErrorCode": {
"type": "string",
"enum": [
"unauthorized",
"forbidden",
"bad_request",
"not_found",
"method_not_allowed",
"conflict",
"too_many_requests",
"internal"
]
},
"ErrorOutput": {
"type": "object",
"required": [
"error"
],
"properties": {
"code": {
"oneOf": [
{
"type": "null"
},
{
"$ref": "#/components/schemas/ErrorCode"
}
]
},
"error": {
"type": "string"
},
"manifest_conflict": {
"oneOf": [
{
"type": "null"
},
{
"$ref": "#/components/schemas/ManifestConflictOutput",
"description": "Set when the conflict is a publisher CAS rejection\n(`ManifestConflictDetails::ExpectedVersionMismatch`). The caller's\npre-write view of `table_key` was at version `expected` but the\nmanifest is now at `actual`. Refresh and retry."
}
]
},
"merge_conflicts": {
"type": "array",
"items": {
"$ref": "#/components/schemas/MergeConflictOutput"
}
}
}
},
"ExportRequest": {
"type": "object",
"properties": {
"branch": {
"type": [
"string",
"null"
],
"description": "Branch to export. Defaults to `main`."
},
"table_keys": {
"type": "array",
"items": {
"type": "string"
},
"description": "Restrict the export to these table keys. Empty exports all tables."
},
"type_names": {
"type": "array",
"items": {
"type": "string"
},
"description": "Restrict the export to these node/edge type names. Empty exports all types."
}
}
},
"GraphInfo": {
"type": "object",
"description": "One entry in the response from `GET /graphs`. Cluster operators\nconsume this list to discover which graphs the server is currently\nserving. The shape is intentionally minimal — `graph_id` and `uri`\nare the only fields a routing client needs.",
"required": [
"graph_id",
"uri"
],
"properties": {
"graph_id": {
"type": "string"
},
"uri": {
"type": "string"
}
}
},
"GraphListResponse": {
"type": "object",
"description": "Response from `GET /graphs`. Lists every graph registered with the\nserver in alphabetical order by `graph_id` (sorted server-side so\nclients get deterministic output across requests).",
"required": [
"graphs"
],
"properties": {
"graphs": {
"type": "array",
"items": {
"$ref": "#/components/schemas/GraphInfo"
}
}
}
},
"HealthOutput": {
"type": "object",
"required": [
"status",
"version"
],
"properties": {
"source_version": {
"type": [
"string",
"null"
]
},
"status": {
"type": "string"
},
"version": {
"type": "string"
}
}
},
"IngestOutput": {
"type": "object",
"required": [
"uri",
"branch",
"base_branch",
"branch_created",
"mode",
"tables"
],
"properties": {
"actor_id": {
"type": [
"string",
"null"
]
},
"base_branch": {
"type": "string"
},
"branch": {
"type": "string"
},
"branch_created": {
"type": "boolean"
},
"mode": {
"$ref": "#/components/schemas/LoadMode"
},
"tables": {
"type": "array",
"items": {
"$ref": "#/components/schemas/IngestTableOutput"
}
},
"uri": {
"type": "string"
}
}
},
"IngestRequest": {
"type": "object",
"required": [
"data"
],
"properties": {
"branch": {
"type": [
"string",
"null"
],
"description": "Target branch. Created from `from` if it does not yet exist. Defaults to `main`."
},
"data": {
"type": "string",
"description": "NDJSON payload: one record per line, each shaped\n`{\"type\": \"<TypeName>\", \"data\": {...}}`.",
"example": "{\"type\": \"Person\", \"data\": {\"name\": \"Alice\", \"age\": 30}}\n{\"type\": \"Person\", \"data\": {\"name\": \"Bob\", \"age\": 25}}"
},
"from": {
"type": [
"string",
"null"
],
"description": "Parent branch used to create `branch` if it does not exist. Defaults to `main`."
},
"mode": {
"oneOf": [
{
"type": "null"
},
{
"$ref": "#/components/schemas/LoadMode",
"description": "How existing rows are handled. Defaults to `merge`."
}
]
}
}
},
"IngestTableOutput": {
"type": "object",
"required": [
"table_key",
"rows_loaded"
],
"properties": {
"rows_loaded": {
"type": "integer",
"minimum": 0
},
"table_key": {
"type": "string"
}
}
},
"LoadMode": {
"type": "string",
"description": "Shadow enum for documenting [`LoadMode`] in the OpenAPI schema.",
"enum": [
"overwrite",
"append",
"merge"
]
},
"ManifestConflictOutput": {
"type": "object",
"description": "Structured details for a publisher-level OCC failure. Surfaces alongside\nHTTP 409 when a write was rejected because the caller's pre-write view of\none table's manifest version was stale relative to the current head. The\nexpected/actual fields tell the client which table to refresh.",
"required": [
"table_key",
"expected",
"actual"
],
"properties": {
"actual": {
"type": "integer",
"format": "int64",
"minimum": 0
},
"expected": {
"type": "integer",
"format": "int64",
"minimum": 0
},
"table_key": {
"type": "string"
}
}
},
"MergeConflictKindOutput": {
"type": "string",
"enum": [
"divergent_insert",
"divergent_update",
"delete_vs_update",
"orphan_edge",
"unique_violation",
"cardinality_violation",
"value_constraint_violation"
]
},
"MergeConflictOutput": {
"type": "object",
"required": [
"table_key",
"kind",
"message"
],
"properties": {
"kind": {
"$ref": "#/components/schemas/MergeConflictKindOutput"
},
"message": {
"type": "string"
},
"row_id": {
"type": [
"string",
"null"
]
},
"table_key": {
"type": "string"
}
}
},
"QueryRequest": {
"type": "object",
"description": "Inline read-query request for `POST /query`.\n\nFriendlier-named alternative to [`ReadRequest`] for ad-hoc reads and\nAI-agent integration. Mutations are rejected with 400 — use `POST\n/mutate` (or its deprecated alias `POST /change`) for write queries.\nField names are deliberately short (`query`, `name`) to match the GQ\nkeyword and the CLI `-e` flag.",
"required": [
"query"
],
"properties": {
"branch": {
"type": [
"string",
"null"
],
"description": "Branch to read from. Mutually exclusive with `snapshot`. Defaults to `main`."
},
"name": {
"type": [
"string",
"null"
],
"description": "Name of the query to run when `query` declares multiple. Optional when\nonly one query is declared."
},
"params": {
"description": "JSON object whose keys match the query's declared parameters."
},
"query": {
"type": "string",
"description": "GQ read-query source. May declare one or more named queries; pick one\nwith `name` when more than one is declared. Mutations\n(`insert`/`update`/`delete`) get 400 — use `POST /mutate` (or its\ndeprecated alias `POST /change`) instead.",
"example": "query get_person($name: String) {\n match {\n $p: Person { name: $name }\n }\n return { $p.name, $p.age }\n}"
},
"snapshot": {
"type": [
"string",
"null"
],
"description": "Snapshot id to read from. Mutually exclusive with `branch`."
}
}
},
"ReadOutput": {
"type": "object",
"required": [
"query_name",
"target",
"row_count",
"rows"
],
"properties": {
"columns": {
"type": "array",
"items": {
"type": "string"
}
},
"query_name": {
"type": "string"
},
"row_count": {
"type": "integer",
"minimum": 0
},
"rows": {},
"target": {
"$ref": "#/components/schemas/ReadTargetOutput"
}
}
},
"ReadRequest": {
"type": "object",
"required": [
"query_source"
],
"properties": {
"branch": {
"type": [
"string",
"null"
],
"description": "Branch to read from. Mutually exclusive with `snapshot`. Defaults to `main`."
},
"params": {
"description": "JSON object whose keys match the query's declared parameters."
},
"query_name": {
"type": [
"string",
"null"
],
"description": "Name of the query to run when `query_source` declares multiple. Optional\nwhen only one query is declared."
},
"query_source": {
"type": "string",
"description": "GQ query source. May declare one or more named queries; pick one with\n`query_name` if there is more than one.",
"example": "query get_person($name: String) {\n match {\n $p: Person { name: $name }\n }\n return { $p.name, $p.age }\n}"
},
"snapshot": {
"type": [
"string",
"null"
],
"description": "Snapshot id to read from. Mutually exclusive with `branch`."
}
}
},
"ReadTargetOutput": {
"type": "object",
"properties": {
"branch": {
"type": [
"string",
"null"
]
},
"snapshot": {
"type": [
"string",
"null"
]
}
}
},
"SchemaApplyOutput": {
"type": "object",
"required": [
"uri",
"supported",
"applied",
"step_count",
"manifest_version",
"steps"
],
"properties": {
"applied": {
"type": "boolean"
},
"manifest_version": {
"type": "integer",
"format": "int64",
"minimum": 0
},
"step_count": {
"type": "integer",
"minimum": 0
},
"steps": {
"type": "array",
"items": {}
},
"supported": {
"type": "boolean"
},
"uri": {
"type": "string"
}
}
},
"SchemaApplyRequest": {
"type": "object",
"required": [
"schema_source"
],
"properties": {
"allow_data_loss": {
"type": "boolean",
"description": "When true, promote every `DropMode::Soft` step in the plan to\n`DropMode::Hard`, making the prior column data unreachable\nafter the apply. Matches the CLI's `--allow-data-loss` flag.\nDefaults to `false` (drops remain reversible via time travel)."
},
"schema_source": {
"type": "string",
"description": "Project schema in `.pg` source form. The diff against the current\nschema produces the migration steps that will be applied.",
"example": "node Person {\n name: String @key\n age: I32?\n}\n\nedge Knows: Person -> Person"
}
}
},
"SchemaOutput": {
"type": "object",
"required": [
"schema_source"
],
"properties": {
"schema_source": {
"type": "string"
}
}
},
"SnapshotOutput": {
"type": "object",
"required": [
"branch",
"manifest_version",
"tables"
],
"properties": {
"branch": {
"type": "string"
},
"manifest_version": {
"type": "integer",
"format": "int64",
"minimum": 0
},
"tables": {
"type": "array",
"items": {
"$ref": "#/components/schemas/SnapshotTableOutput"
}
}
}
},
"SnapshotTableOutput": {
"type": "object",
"required": [
"table_key",
"table_path",
"table_version",
"row_count"
],
"properties": {
"row_count": {
"type": "integer",
"format": "int64",
"minimum": 0
},
"table_branch": {
"type": [
"string",
"null"
]
},
"table_key": {
"type": "string"
},
"table_path": {
"type": "string"
},
"table_version": {
"type": "integer",
"format": "int64",
"minimum": 0
}
}
}
},
"securitySchemes": {
"bearer_token": {
"type": "http",
"scheme": "bearer"
}
}
}
}