feat(files): support provider-neutral Files API support for hybrid mode - #1185
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WalkthroughChangesHybrid gateways now expose provider-native Files APIs for Anthropic and OpenAI. The change adds durable bindings, account generations, quotas, cleanup leases, provider forwarding, Messages integration, tenancy handling, published contracts, and tests. Provider-native Files
Priority: ➖ Normal Estimated code review effort: 5 (Critical) | ~120 minutes Change: Feature · Severity of issue fixed: Medium 🚥 Pre-merge checks | ✅ 2 | ❌ 3❌ Failed checks (3 warnings)
✅ Passed checks (2 passed)
Full details: Out of Scope Changes checkExplanation The pull request also adds substantial OpenAI-specific Files support, although [ Resolution Remove the OpenAI-specific API, transport, routing, schema, inference, documentation, and test changes from this pull request, or move them to a separate issue and pull request. Keep Anthropic implementation and provider-neutral changes that directly support [ Full details: Title checkExplanation The title uses the Conventional Commit ✨ Finishing Touches 💡 2📝 Generate docstrings 💡
🛠️ Fix failing CI checks 💡
🧪 Generate unit tests (beta)
✨ Simplify code
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Actionable comments posted: 9
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Inline comments:
In `@docs/files.md`:
- Line 223: Update the “Octonous” reference in the release checklist by
verifying whether it is an intentional workflow term; if so, define it or add a
relevant link, otherwise correct the spelling to the intended workflow name.
In `@docs/public/otari.postman_collection.json`:
- Line 1793: Update the descriptions for the Create File, Get File, Delete File,
and Get File Content operations to remove the reused “supports page/next_page
pagination” clause; retain it only for the List Files operation.
In `@src/gateway/api/routes/hybrid_files.py`:
- Around line 286-287: Update the download handling around StreamingResponse and
the total size check to validate the complete bounded body before returning the
response. Reject a trusted Content-Length exceeding config.files_max_bytes with
HTTP 413, and when length is absent or untrusted, spool the chunks and enforce
the same limit before response headers are sent, preserving the existing success
response for valid files.
In `@src/gateway/api/routes/messages.py`:
- Around line 873-874: Update both FilesError exception handlers to pass the
status-specific Anthropic error mapping instead of always using _ERR_API, and
propagate exc.headers into _anthropic_error so headers such as Retry-After are
preserved. Keep the existing detail, status code, and exception chaining
behavior unchanged.
- Line 853: Update the request-handling condition around references,
native_outputs, and config.files_provider_native_enabled to reject
code-execution tool requests when provider-native Files are disabled, rather
than leaving _MessagesAdapter active. Ensure native-output requests only proceed
through the Files branch when files_provider_native_enabled is true, preserving
durable registration of generated file_id values.
In `@src/gateway/api/routes/provider_files.py`:
- Around line 168-175: Update the abandon route’s ProviderFileOutputs.abandon
call to pass body.file_id as the fifth argument when metadata is absent, while
preserving existing metadata handling. In
tests/integration/test_provider_file_lifecycle.py lines 199-201, add a
route-level case posting only file_id to /outputs/{operation_id}/abandon and
assert the stored provider_file_id.
In `@src/gateway/core/config.py`:
- Line 1041: Update the retention validation condition in the configuration
validation flow to run only when files_provider_native_enabled is true; remove
the is_hybrid_mode alternative while preserving the existing retention limit and
startup behavior for provider-native Files.
In `@src/gateway/services/provider_files/client.py`:
- Line 15: Update PlatformFilesClient initialization around base_url to require
HTTPS by default, rejecting public HTTP authorities while preserving accepted
HTTPS URLs. Add an explicit trusted-internal opt-in that permits documented
private HTTP deployments, and cover rejected public HTTP, allowed opt-in
internal HTTP, and accepted HTTPS cases with tests.
In `@src/gateway/services/tenancy/org_provider_key_service.py`:
- Line 537: Update restore_key_for_user to return immediately when the key is
already active, before invoking retire_byo_account. Preserve the existing
missing-key rejection and restoration flow for non-active keys.
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alembic/versions/c3e5a7b9d1f4_add_provider_files.pydocs/files.mddocs/hybrid-mode-protocol.mddocs/public/otari.postman_collection.jsonscripts/generate_openapi.pyscripts/sdk_codegen/sdk-endpoints.txtsrc/gateway/api/main.pysrc/gateway/api/routes/_pipeline.pysrc/gateway/api/routes/_platform.pysrc/gateway/api/routes/chat.pysrc/gateway/api/routes/hybrid_files.pysrc/gateway/api/routes/messages.pysrc/gateway/api/routes/provider_files.pysrc/gateway/api/routes/responses.pysrc/gateway/api/routes/settings.pysrc/gateway/api/routes/users.pysrc/gateway/core/config.pysrc/gateway/main.pysrc/gateway/models/__init__.pysrc/gateway/models/provider_files.pysrc/gateway/repositories/tenancy/provider_file_repository.pysrc/gateway/services/provider_files/__init__.pysrc/gateway/services/provider_files/accounts.pysrc/gateway/services/provider_files/cleanup.pysrc/gateway/services/provider_files/client.pysrc/gateway/services/provider_files/contracts.pysrc/gateway/services/provider_files/executor.pysrc/gateway/services/provider_files/inference.pysrc/gateway/services/provider_files/lifecycle.pysrc/gateway/services/provider_files/outputs.pysrc/gateway/services/provider_files/references.pysrc/gateway/services/provider_files/transfers.pysrc/gateway/services/provider_files/transport.pysrc/gateway/services/tenancy/org_provider_key_service.pysrc/gateway/services/tenancy/workspace_service.pytests/integration/test_hybrid_files_messages.pytests/integration/test_hybrid_files_routes.pytests/integration/test_hybrid_files_sdk_contract.pytests/integration/test_provider_file_lifecycle.pytests/integration/test_provider_files_protocol.pytests/unit/test_provider_file_accounts.pytests/unit/test_provider_file_config.pytests/unit/test_provider_file_migration.pytests/unit/test_provider_file_outputs.pytests/unit/test_provider_file_references.pytests/unit/test_provider_file_transfers.pyweb/src/client/schema.ts
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Actionable comments posted: 6
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Inline comments:
In `@scripts/generate_openapi.py`:
- Around line 165-168: Update the expires_after[seconds] schema definition in
the OpenAPI generation flow to enforce the documented range: set its minimum to
3600 and add a maximum of 2592000, while preserving its integer type and
description.
In `@src/gateway/api/routes/hybrid_files.py`:
- Around line 182-186: Track whether finalize has committed successfully in the
upload flow by adding a committed state alongside operation, metadata, and
started; set it immediately after the finalize retry returns successfully,
before metadata conversion or context exit can raise. Update the exception
handler to call _compensate_upload only when an operation exists and committed
is false.
In `@src/gateway/api/routes/messages.py`:
- Around line 949-957: In the streaming fallback path, catch the terminal
FilesError raised by run_streaming_with_fallback before the generic
HTTPException handling, and re-raise it through _anthropic_error while
preserving its mapped status type, detail, status_code, and headers. Keep
successful fallback behavior unchanged.
In `@src/gateway/core/config.py`:
- Around line 883-892: In the settings model, add concise operator-facing
descriptions to the seven Files fields shown in the diff:
files_transfer_timeout_seconds, files_idle_timeout_seconds,
files_rate_limit_rpm, files_max_count, files_max_outstanding_bytes,
files_temporary_capacity_bytes, and files_operation_timeout_seconds. Use the
existing Field metadata pattern used by nearby documented Files settings, while
preserving each field’s current defaults and validation constraints.
In `@src/gateway/models/provider_files.py`:
- Line 92: Update the provider file byte fields to use 64-bit database types: in
src/gateway/models/provider_files.py lines 60 and 92, import SQLAlchemy
BigInteger and declare size_bytes and reserved_bytes with it; in
alembic/versions/c3e5a7b9d1f4_add_provider_files.py lines 83 and 124, change
reserved_bytes and provider_file_bindings.size_bytes to sa.BigInteger().
In `@src/gateway/services/provider_files/accounts.py`:
- Around line 199-201: Update cleanup completion for retire_account_generation
so it rechecks account_busy(), including output operations, and transitions the
associated ProviderAccountGeneration from “retiring” to “retired” with
retired_at once no longer busy. Preserve the release_secret=False archive
behavior and ensure _select_byo can proceed with the finalized generation.
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alembic/versions/c3e5a7b9d1f4_add_provider_files.pydocs/files.mddocs/hybrid-mode-protocol.mddocs/public/otari.postman_collection.jsonpyproject.tomlscripts/generate_openapi.pyscripts/sdk_codegen/sdk-endpoints.txtsrc/gateway/api/main.pysrc/gateway/api/routes/_file_formats.pysrc/gateway/api/routes/_pipeline.pysrc/gateway/api/routes/_platform.pysrc/gateway/api/routes/chat.pysrc/gateway/api/routes/hybrid_files.pysrc/gateway/api/routes/messages.pysrc/gateway/api/routes/provider_files.pysrc/gateway/api/routes/responses.pysrc/gateway/api/routes/users.pysrc/gateway/core/config.pysrc/gateway/main.pysrc/gateway/models/__init__.pysrc/gateway/models/provider_files.pysrc/gateway/repositories/tenancy/provider_file_repository.pysrc/gateway/services/provider_files/accounts.pysrc/gateway/services/provider_files/anthropic_inference.pysrc/gateway/services/provider_files/capabilities.pysrc/gateway/services/provider_files/cleanup.pysrc/gateway/services/provider_files/client.pysrc/gateway/services/provider_files/contracts.pysrc/gateway/services/provider_files/inference.pysrc/gateway/services/provider_files/lifecycle.pysrc/gateway/services/provider_files/outputs.pysrc/gateway/services/provider_files/references.pysrc/gateway/services/provider_files/transfers.pysrc/gateway/services/provider_files/transport.pysrc/gateway/services/tenancy/org_provider_key_service.pysrc/gateway/services/tenancy/workspace_service.pytests/integration/test_hybrid_files_inference_guards.pytests/integration/test_hybrid_files_messages.pytests/integration/test_hybrid_files_openai_sdk.pytests/integration/test_hybrid_files_sdk_contract.pytests/integration/test_provider_file_lifecycle.pytests/integration/test_provider_file_multi_provider.pytests/integration/test_provider_file_transactions.pytests/integration/test_provider_files_protocol.pytests/unit/test_gateway_lifespan_shutdown.pytests/unit/test_provider_file_contracts.pytests/unit/test_provider_file_formats.pytests/unit/test_provider_file_migration.pytests/unit/test_provider_file_openapi.pytests/unit/test_provider_file_outputs.pytests/unit/test_provider_file_protocol_version.pytests/unit/test_provider_file_references.pytests/unit/test_provider_file_transfers.pyweb/src/client/schema.ts
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Recommended verification and rollout sequence for #1185 and mozilla-ai/otari-ai#2186:
The local otari-ai checkout currently has no registration of Verification above is proposed, not completed. |
hybrid mode
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Copilot review overview
🔵 Needs a closer look
Security-sensitive account resolution, compensation, and cross-domain transaction paths still require changes and human review.
Review effort: Balanced
Findings: 2
Open (17)
Reject authority credential mismatches before binder preparation · New Atomically revalidate workspace scope during reference resolution · New Add an index for capacity predicate lookups · New Map provider metadata validation errors to structured 502s · New Apply Files headers to authentication error responses · New Gate hybrid Files routing only on the native-files flag · New Separate deletion and abandon reporting deadlines · New Apply absolute deadlines to setup and initial downloads · New Preserve timeout-specific status for provider deletion · New Skip output reservations for file-reference-only requests · New Replace direct repository access with a tenancy listener · New Constrain lifecycle vocabularies with model and database checks · New Reuse clients and bound concurrency for output registrations · New Persist cleanup intent when registration compensation fails · New Rate-limit only new output reservations · New Use a retirement listener to preserve domain boundaries · New Inject a revocation listener instead of a repository · New
What changed in this PR
Adds opt-in, provider-neutral Files API support for hybrid gateways while enforcing tenant ownership, quotas, retention, and cleanup.
Changes:
- Adds Anthropic and OpenAI file operations and inference safeguards.
- Adds durable lifecycle storage, cleanup leasing, credential retirement, and migration support.
- Updates any-llm, documentation, contracts, and comprehensive tests.
| File | Description |
|---|---|
| uv.lock | Locks updated SDK releases. |
| tests/unit/test_settings_endpoint.py | Tests Files settings metadata. |
| tests/unit/test_setting_names.py | Registers new setting names. |
| tests/unit/test_provider_file_transfers.py | Tests upload limits and cleanup. |
| tests/unit/test_provider_file_references.py | Tests reference parsing safeguards. |
| tests/unit/test_provider_file_protocol_version.py | Tests protocol-version enforcement. |
| tests/unit/test_provider_file_outputs.py | Tests output registration ordering. |
| tests/unit/test_provider_file_openapi.py | Tests published Files contracts. |
| tests/unit/test_provider_file_models.py | Verifies quota column types. |
| tests/unit/test_provider_file_migration.py | Tests SQLite migration round trips. |
| tests/unit/test_provider_file_formats.py | Tests native response formats. |
| tests/unit/test_provider_file_contracts.py | Tests normalized file contracts. |
| tests/unit/test_provider_file_config.py | Tests Files configuration limits. |
| tests/unit/test_provider_file_accounts.py | Tests account selection rules. |
| tests/unit/test_operator_gate_declarations.py | Classifies the hybrid router. |
| tests/unit/test_hybrid_file_compensation.py | Tests cancellation-safe compensation. |
| tests/unit/test_gateway_lifespan_shutdown.py | Tests cleanup-worker shutdown. |
| tests/integration/test_provider_files_protocol.py | Tests control-plane protocol composition. |
| tests/integration/test_provider_file_transactions.py | Tests retirement transaction behavior. |
| tests/integration/test_provider_file_multi_provider.py | Tests provider isolation and pagination. |
| tests/integration/test_provider_file_lifecycle.py | Tests ownership and lifecycle persistence. |
| tests/integration/test_hybrid_mode_messages.py | Updates disabled-Files behavior tests. |
| tests/integration/test_hybrid_files_sdk_contract.py | Tests the Anthropic SDK contract. |
| tests/integration/test_hybrid_files_routes.py | Tests public hybrid Files routes. |
| tests/integration/test_hybrid_files_openai_sdk.py | Tests the OpenAI SDK contract. |
| tests/integration/test_hybrid_files_messages.py | Tests Messages file authorization. |
| tests/integration/test_hybrid_files_inference_guards.py | Tests unsupported OpenAI state rejection. |
| src/gateway/services/tenancy/workspace_service.py | Revokes files during workspace deletion. |
| src/gateway/services/tenancy/org_provider_key_service.py | Coordinates credential retirement. |
| src/gateway/services/provider_files/transport.py | Implements any-llm provider transport. |
| src/gateway/services/provider_files/transfers.py | Implements bounded multipart spooling. |
| src/gateway/services/provider_files/references.py | Parses and rejects file state. |
| src/gateway/services/provider_files/outputs.py | Manages generated-file reservations. |
| src/gateway/services/provider_files/inference.py | Registers generated provider files. |
| src/gateway/services/provider_files/executor.py | Executes leased cleanup work. |
| src/gateway/services/provider_files/contracts.py | Defines shared protocol models. |
| src/gateway/services/provider_files/client.py | Calls the Files authority. |
| src/gateway/services/provider_files/cleanup.py | Manages durable cleanup leases. |
| src/gateway/services/provider_files/capabilities.py | Checks provider file capabilities. |
| src/gateway/services/provider_files/anthropic_inference.py | Buffers Anthropic file outputs. |
| src/gateway/services/provider_files/accounts.py | Resolves and retires accounts. |
| src/gateway/services/provider_files/__init__.py | Introduces the service package. |
| src/gateway/models/provider_files.py | Defines lifecycle persistence models. |
| src/gateway/models/__init__.py | Registers the new models. |
| src/gateway/main.py | Starts the hybrid cleanup worker. |
| src/gateway/core/config.py | Adds Files limits and validation. |
| src/gateway/api/routes/users.py | Revokes bindings during user deletion. |
| src/gateway/api/routes/responses.py | Rejects unsupported OpenAI file state. |
| src/gateway/api/routes/provider_files.py | Adds internal authority routes. |
| src/gateway/api/routes/chat.py | Guards Chat file state. |
| src/gateway/api/routes/_platform.py | Carries provider account generations. |
| src/gateway/api/routes/_pipeline.py | Supports attempt-specific request building. |
| src/gateway/api/routes/_file_formats.py | Maps Anthropic and OpenAI envelopes. |
| src/gateway/api/main.py | Mounts hybrid Files routes. |
| scripts/sdk_codegen/sdk-endpoints.txt | Classifies internal Files endpoints. |
| scripts/generate_openapi.py | Merges hybrid Files schemas. |
| pyproject.toml | Raises the any-llm dependency floor. |
| docs/hybrid-mode-protocol.md | Documents protocol version 2. |
| docs/files.md | Documents hybrid Files usage. |
| alembic/versions/c3e5a7b9d1f4_add_provider_files.py | Creates lifecycle storage tables. |
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Reject Files authority credentials that differ from the authorized inference attempt. Reserve and register outputs only for native-output requests, preserving account pinning and trusted workspace headers for input-only inference. Cover credential mismatches and full-quota input-only dispatch across streaming and tool-loop paths.
Check the current workspace override under the organization lock before returning a BYO credential. Preserve cleanup access after disablement and cover an override change between reference authorization and credential resolution.
Give provider deletion and abandonment independent ten-second deadlines within shielded compensation. Report known file metadata even when deletion times out, and cover both phase timeouts with handler cancellation.
Return fixed errors for invalid OpenAI metadata and preserve Files protocol headers on authentication failures. Gate hybrid Files only on the native-files flag. Apply the absolute download deadline during provider setup and retain 504 responses for download and deletion timeouts, reporting failed deletion cleanup before returning. Add regression coverage for review comments 6 through 10. Verified with 217 Files/Messages tests, lint, type checking, and OpenAPI/Postman drift checks.
Reuse provider clients and bound generated-file registration concurrency. Rate-limit new output reservations without charging idempotent retries, and constrain lifecycle vocabularies in the models and migration. Inject tenancy-owned revocation listeners for credential, workspace, and user mutations. Keep revocation transactional and preserve cleanup-blocked credential retirement. Add regression coverage for batching, quota windows, database constraints, and revocation rollback. Verified 527 focused tests, lint, type checking, and generated API artifacts.
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Thanks, Hareesh. This is a big piece of work, and the ownership, lease and compensation design is careful. My comments are about how it fits the shape the backend is moving to, so it does not need a clean-up pass later. Each one links the section of ARCHITECTURE.md, docs/domains.md or the backend standards it comes from, so you can read the full rule.
Why make lint passes anyway: scripts/check_architecture.py enforces only part of the layer rules so far. ARCHITECTURE.md says rules 4 to 6 (who imports a domain's repositories, package-root imports, no cycles between domains) are review rules until the check covers them.
The main points, most important first:
- The hybrid refusals apply with the flag off. A hybrid gateway that runs Anthropic code execution on its own key today gets a 400 after the upgrade. See the comments on
messages.pyandchat.py. - The control-plane router.
create_provider_files_routeris a core router that only an overlay can mount, which is a shape ARCHITECTURE.md does not describe. I would like us to agree the shape before more code builds on it. Seeprovider_files.py. - The feature registry. Optional features go through
src/gateway/features.py. The registry does not run anything in hybrid mode yet, so this PR wires the router and the worker by hand. I think a small PR that adds modes toCoreFeatureis the better fix. Seeapi/main.py. - The domain shape. The repository package, schemas, exceptions, settings, vocabularies and package-root imports do not follow the target shape yet. The inline comments give the details. On
main,services/api_keys/withrepositories/api_keys/is the smallest worked example, andservices/budgets/is the largest. docs/domains.md. The domain list assigns every module underservices/,api/routes/,models/andrepositories/to a domain. This PR adds 21 modules there and none has an entry yet. Provider-native Files looks like its own domain to me (provider_files). Could you say which domain you intend in the PR description?
What already fits, and is worth keeping as you reshape:
- The new services take a Unit of Work, not a session, and open their own
async withblocks. The repositories flush and never commit. - Tenancy defines the listener and provider files implements it, so tenancy imports nothing from provider files.
- The two service builders moved into
api/deps.py, soorg_provider_keys.pyandworkspaces.pyleftROUTE_DATABASE_IMPORT_BASELINE. That baseline should only ever shrink, and here it did. - The tables are on core's one migration chain with one head, and the switch defaults to off.
- Provider calls go through any-llm (1.28.0), not hand-written HTTP.
Two practical notes:
- The branch conflicts with
maininsrc/gateway/api/deps.pyanddocs/public/openapi.json. Thedeps.pyconflict is one import: #1441 movedWorkspaceBudgetDefaultServicetogateway.services.budgets. On a trial merge with currentmain, with that import fixed, the architecture check still passes. docs/domains.mdsaysorg_provider_key_service.pywill split into three modules along its divider sections. It helps that split if the new listener calls stay small and in one place.
How this review was put together. I went through this PR with Claude Code over several rounds, not as a one-click review. It read every changed file against ARCHITECTURE.md, docs/domains.md and the backend standards, and checked each claim against the code: it ran the architecture check on this branch and on a trial merge with current main, and confirmed that every comment sits on a line this PR adds. We went back and forth on scope, and I cut anything that depended on notes outside this repo, so every point links something you can read here. I read and approved every comment before posting, so these are my comments. If one is wrong or unclear, reply on it and I will fix it. Happy to talk any of this through.
| ) | ||
| if references or native_outputs: | ||
| if not config.files_provider_native_enabled: | ||
| raise FilesError(400, "Hybrid provider file references and native outputs are not enabled") |
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With the flag at its default (off), this line refuses every hybrid Messages request that has a container or a code_execution_* tool, even when the request references no file. Before this PR those requests reached the provider on a BYO credential: test_container_reaches_a_byo_credential asserted 200, and this PR changes it to expect 400.
So a hybrid deployment that runs Anthropic code execution today breaks on upgrade, although the description says the feature is off by default. Could this refusal apply only when Files is enabled, so nothing changes while the flag is off? If the refusal is meant for everyone, it is a breaking change: RELEASE.md asks for ! in the PR title, and the description should say who is affected.
| if config.is_hybrid_mode: | ||
| if {"extra_body", "extra_query"} & (request.model_extra or {}).keys(): | ||
| raise HTTPException(400, "Transport body overrides are not supported in hybrid mode") | ||
| try: | ||
| reject_openai_file_state(request.model_dump(exclude_unset=True)) | ||
| except FilesError as exc: | ||
| raise HTTPException(exc.status_code, exc.detail) from None |
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These checks run in hybrid mode whether Files is enabled or not, and responses.py lines 506 to 512 have the same block. After this PR every hybrid gateway refuses previous_response_id, conversation, code_interpreter, file_search, shell, any file_id, and extra_body/extra_query. Today none of these is refused.
Same question as on messages.py: could these apply only when files_provider_native_enabled is on? If some of them close a gap that exists today, for example on managed credentials, a separate fix!: PR would make that change visible in the release notes.
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This is the part I would most like us to agree on before more code builds on it.
create_provider_files_router is a core router that core never mounts. Only a deployment that supplies authenticate, authenticate_gateway and authorize_attempt can use it, and docs/hybrid-mode-protocol.md says no default authenticator exists. So Otari on its own cannot run the authority side: the four tables, the lifecycle, the cleanup and these 14 endpoints. In an open-source build, only the revocation hooks run, against tables that stay empty.
Two facts shape the choice:
- ARCHITECTURE.md describes how to extend Otari (Where new code goes, Cardinal rules). Work that an overlay replaces goes behind a port, and every port has a working core adapter (rules 1 and 3). A route that only an overlay ships lives in the overlay. A core route is mounted by core, in
register_routersor through the feature registry. These callbacks act like ports, but they have no core adapter and do not go through the container. - The authority extends the resolve protocol (
provider_account_generation_idon each attempt). Otari does not serve/gateway/provider-keys/resolvetoday; only the hybrid client side is in this repo.
api/routes/web_search_backend.py shows the documented shape for a control-plane route in core: core mounts it when it is configured, and core checks the gateway token itself.
So I see two consistent options. Core serves the authority itself: core mounts it, core authenticates, and anything an overlay must replace (such as the hosted-credential resolver) sits behind a port with a core default. Or the authority lives beside the resolve endpoint in the overlay, where the ARCHITECTURE.md table places a route that only an overlay ships. This is a maintainer decision rather than one for you to make alone. Could you add the option you intend to the PR description, so we can settle it there?
There is an open discussion in #1405 about who decides what belongs in the open-source product. This router is a concrete case for it.
| api.include_router(hooks.router) | ||
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| if config.is_hybrid_mode: | ||
| api.include_router(hybrid_files.router) |
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ARCHITECTURE.md sends an optional feature with its own routes, settings, tables or worker through one entry in src/gateway/features.py, switched by a startup setting (Where new code goes, How to add a core feature). This router, and the worker in main.py lines 437 to 440, are wired by hand instead.
I can see why: CoreFeature mounts routers and runs workers only in standalone and hosted mode, and this feature is hybrid-only. That is a gap in the registry, and wiring around it means the next hybrid feature does the same. Could a small separate PR let CoreFeature declare the modes it runs in, defaulting to standalone and hosted as today? Files would then be the registry's first entry, and its worker would run under _run_feature_worker, which logs a crash.
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| WireModel, | ||
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| except Exception: |
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This catches every exception and logs nothing, so a wrong platform.base_url, a rejected token or a bug stops cleanup with no signal. The backend standards ask for specific exceptions rather than a broad except Exception (Layering). Could this catch the failures you expect (FilesError, TimeoutError, provider errors) and log them with opaque IDs, and at least log anything unexpected before the next loop?
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| app = create_app(config) | ||
| return cast(dict[str, object], app.openapi()) | ||
| app.include_router( |
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This mounts a router that the app never serves, with dummy callbacks. So the public spec, the Postman collection and web/src/client/schema.ts (1,072 new lines) list 14 /api/v1/gateway/files/* endpoints that no Otari build answers. If core ends up mounting the router (see the comment on provider_files.py), it reaches the spec through create_app like every other route, and this block can go. If only an overlay mounts it, I would leave it out of Otari's public spec.
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| def _merge_hybrid_files(spec: dict[str, Any]) -> None: |
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docs/public/openapi.json is generated from the app, and the CI drift check is what proves the committed spec matches the code (Generated Artifacts). This function writes about 100 lines of descriptions, parameters and schema changes into the spec by hand, so that part is no longer checked against the code. Most of it exists because hybrid_files.py reads request.query_params and headers directly, so FastAPI cannot see them. Declaring them on the handlers (Query, Header, Form) would put them in the generated spec, and this function could shrink to merging the two generated specs. The strict duplicate checks can stay beside the declarations.
| CredentialSource = Literal["organization_key", "hosted_backend"] | ||
| AccountStatus = Literal["active", "retiring", "retired"] | ||
| BindingState = Literal["pending_upload", "active", "pending_cleanup", "deleted"] | ||
| OutputOperationState = Literal["active", "revoked", "completed"] |
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Defining the vocabularies beside their columns is what the target shape asks of a model module, so this part fits. Two follow-ups:
- The services and the repository still write the values as bare strings (
"pending_cleanup","hosted_backend","retiring"), so a typo is not caught.models/budgets.pyonmain(refactor(budgets): move the reservation status names beside the column they name #1453) shows the pattern: named constants typed by theLiteral, such asRESERVATION_ACTIVE: ReservationStatus = "active", imported wherever the value is used. cleanup_reasontakes ten different values across the services and repository, and has no vocabulary here yet.
| description=( | ||
| "SSRF gate: allow MCP server URLs that resolve to loopback (useful for same-host " | ||
| "sidecars). On by default." | ||
| "SSRF gate: allow MCP server URLs that resolve to loopback (useful for same-host sidecars). On by default." |
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This line, and lines 1600, 1693 and 2126, only rejoin code that was split across lines, with no change in behavior. main.py line 519, messages.py lines 237 and 355 to 356, and responses.py line 200 are the same. make lint runs ruff check but not ruff format, so running the formatter on a whole file changes lines this feature does not touch. AGENTS.md prefers "minimal, targeted edits". Keeping these out makes the diff smaller and avoids conflicts with the refactors moving through these files.
| provider-time ordering. Upgrade the authority | ||
| and gateways together to Files protocol 2; older peers fail closed. | ||
| Before hosted enablement, verify the composed hosted adapter, generated output | ||
| expiry, and the Octonous workflow without managed container reuse. |
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CodeRabbit asked about this too: "Octonous" reads like the name of an internal product. If it is, a generic description of the workflow suits a public doc better. The PR description names it as well.
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Closing in favour of smaller pull requests built against the decision now recorded in #1606. That decision answers the question this pull request and the released files work answered differently. Otari's store is the source of truth for a file's bytes in both directions, a provider copy is a tracked derivative with its own expiry rather than the record, and a hybrid data plane moves bytes by Try-Confirm-Cancel with a scoped grant, per #1603. The security and recovery work here is salvaged rather than discarded: ownership and account binding, quotas, retention, revocation and cleanup, and the lifecycle, transaction, revocation and cancellation test scenarios. Those invariants hold against canonical storage. Several of their assertions change meaning rather than passing unaltered, because a provider copy expiring no longer makes the file a 404, a provider key being disabled no longer removes the bytes, and an upload no longer calls a provider at all. What is not carried over is the second public route, the provider-selection header and the rule that made Anthropic the default flavor. Format selection answers in the caller's shape and never selects a provider or a credential. The branch stays as reference material until the replacement work lands. #1445 is worth rewriting rather than closing. Its question survives the change: a deployment-wide default gateway has no organization identity, so how does it authorize its own cleanup. The storage namespace model in #1606 answers it, and cleanup is claimed per namespace by an operator service identity rather than per organization. |


Description
Hybrid clients need provider-native file uploads and downloads without bypassing tenant ownership or lifecycle limits.
Add opt-in Anthropic and OpenAI Files operations through any-llm 1.28.0.
X-Otari-Files-Providerselects the native API format; Anthropic remains the default. Shared services enforce account binding, ownership, quotas, retention, revocation, and cleanup. File contents stay with the provider.Anthropic Messages validates file references and registers generated files before exposing their IDs. Hybrid Chat Completions and Responses reject unsupported OpenAI file state. Files transactions use main's Unit of Work pattern; no architecture rules or lint baselines were weakened.
How to test it locally
uv run --frozen pytest -q tests/unit/test_provider_file_*.py tests/integration/test_*files*.py tests/integration/test_provider_file_*.py. Database tests need PostgreSQL or Docker. Keep local.envoverrides out of the test configuration.make lint,make typecheck,make openapi-check,make postman-check, dashboard lint/typecheck, and OSS-edition smoke.Notes
c3e5a7b9d1f4follows main'sd5f8b2a4c6e9, leaving one Alembic head. It includes purpose and provider creation time in the original Files table creation.UnitOfWork; hosted adapters must honor the documented retirement contract. Seedocs/files.mdanddocs/hybrid-mode-protocol.md.PR Type
Relevant issues
Fixes #984
Checklist
tests/unit,tests/integration).make lint,make typecheck,make test).uv run python scripts/generate_openapi.py).ARCHITECTURE.mdorscripts/check_architecture.py, the description names the rule and says why. No rules changed.AI Usage
AI Model/Tool used: AI coding assistant via pi.
Any additional AI details you'd like to share: AI-assisted implementation, conflict resolution, Unit of Work adaptation, test execution, and PR drafting. Validation results and remaining enablement gates are listed above.
Summary
Technical notes
any-llm-sdkrequires version1.28.0or later.