refactor(experimentalist): migrate to typed platform clients - #1965
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Included review availability: Your plan provides up to 12 included reviews per hour; 4 remain after this review. 📝 WalkthroughWalkthroughThe change adds typed Intake and Insights APIs, fast-model configuration, client lifecycle methods, refreshed model authentication, and migration of Experimentalist code from the legacy platform client to ChangesTyped client and Experimentalist migration
Sequence Diagram(s)sequenceDiagram
participant Experimentalist
participant AsyncNemoClient
participant AsyncIntakeClient
participant IntakeAPI
Experimentalist->>AsyncNemoClient: create configured client
Experimentalist->>AsyncIntakeClient: create service adapter
AsyncIntakeClient->>IntakeAPI: send typed trace or evaluation request
IntakeAPI-->>AsyncIntakeClient: return typed response
AsyncIntakeClient-->>Experimentalist: return result
Suggested reviewers: Priority: ➖ Normal Change: Refactor Merge Risk: 🟡 Moderate · up to Closing a resource or option client can close the shared root transport, causing later platform requests to fail. This should be resolved before merge. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
✨ Finishing Touches 💡 1📝 Generate docstrings 💡
🧪 Generate unit tests (beta)
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Inline comments:
In `@packages/nemo_platform_plugin/src/nemo_platform_plugin/nooa_model_client.py`:
- Line 180: Update _completion_client and the AsyncNemoClient.send inference
path to preserve the refreshable _auth/token-provider from AsyncModelsClient
when constructing or routing through CompletionClient, rather than relying only
on models_client.default_headers. Ensure workload-identity requests resolve
fresh authentication and do not depend on a placeholder api_key, and add a
regression test covering an authenticated model request.
In `@packages/nmp_testing/src/nmp/testing/client.py`:
- Line 481: Update the ClientContext handling near the AsyncNemoClient
construction to return the created async_client when the requested context is
ClientContext, ensuring tests can access AsyncNemoClient through that branch
while preserving existing context behavior.
In
`@plugins/nemo-experimentalist/examples/tau3-nooa-agent/record_tau_airline_traces.py`:
- Line 27: Add nemo-platform-plugin to the Tau3 example’s declared dependencies
and lockfile root, then regenerate uv.lock using uv so standalone uv sync
installs the nemo_platform_plugin import used by record_tau_airline_traces.py.
In `@plugins/nemo-experimentalist/src/nemo_experimentalist_plugin/client.py`:
- Around line 36-45: Validate base_url before resolve_oidc_provider attaches
credentials: require HTTPS for non-loopback remote hosts, while permitting HTTP
only when the host is verified as loopback. Reject insecure remote URLs before
constructing or returning AsyncNemoClient.
In
`@plugins/nemo-experimentalist/src/nemo_experimentalist_plugin/experimentalist/components/dataset_staging.py`:
- Around line 72-84: Update the path handling in the dataset staging download
flow to resolve destination and target paths before writing, and reject any
target that escapes the resolved destination due to traversal components such as
“..”. When prefix is set, also validate that the resolved target remains within
the resolved prefix scope before calling _write_downloaded_file.
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packages/nemo_platform_plugin/src/nemo_platform_plugin/client/client.pypackages/nemo_platform_plugin/src/nemo_platform_plugin/client/config/config.pypackages/nemo_platform_plugin/src/nemo_platform_plugin/client/config/models.pypackages/nemo_platform_plugin/src/nemo_platform_plugin/intake/client.pypackages/nemo_platform_plugin/src/nemo_platform_plugin/intake/endpoints.pypackages/nemo_platform_plugin/src/nemo_platform_plugin/intake/types.pypackages/nemo_platform_plugin/src/nemo_platform_plugin/nooa_model_client.pypackages/nemo_platform_plugin/tests/client/test_client_resources.pypackages/nemo_platform_plugin/tests/test_config.pypackages/nmp_testing/src/nmp/testing/client.pyplugins/nemo-experimentalist/examples/smoke-agent/scripts/record_traces.pyplugins/nemo-experimentalist/examples/tau3-nooa-agent/record_tau_airline_traces.pyplugins/nemo-experimentalist/src/nemo_experimentalist_plugin/cli.pyplugins/nemo-experimentalist/src/nemo_experimentalist_plugin/client.pyplugins/nemo-experimentalist/src/nemo_experimentalist_plugin/eval_author/agent.pyplugins/nemo-experimentalist/src/nemo_experimentalist_plugin/eval_author/run.pyplugins/nemo-experimentalist/src/nemo_experimentalist_plugin/eval_author/traces.pyplugins/nemo-experimentalist/src/nemo_experimentalist_plugin/experimentalist/atif.pyplugins/nemo-experimentalist/src/nemo_experimentalist_plugin/experimentalist/components/dataset_staging.pyplugins/nemo-experimentalist/src/nemo_experimentalist_plugin/experimentalist/components/trace_explorer.pyplugins/nemo-experimentalist/src/nemo_experimentalist_plugin/experimentalist/experiment_mirror.pyplugins/nemo-experimentalist/src/nemo_experimentalist_plugin/experimentalist/experimentalist_backend.pyplugins/nemo-experimentalist/src/nemo_experimentalist_plugin/experimentalist/run.pyplugins/nemo-experimentalist/src/nemo_experimentalist_plugin/experimentalist/strategies/evolutionary.pyplugins/nemo-experimentalist/tests/doubles.pyplugins/nemo-experimentalist/tests/eval_author/manual/intake_tool_checks.pyplugins/nemo-experimentalist/tests/eval_author/manual/intake_vocabulary_probe.pyplugins/nemo-experimentalist/tests/eval_author/test_traces.pyplugins/nemo-experimentalist/tests/experimentalist/test_dataset_staging.pyplugins/nemo-experimentalist/tests/experimentalist/test_role_swap.pyplugins/nemo-experimentalist/tests/integration/conftest.pyplugins/nemo-experimentalist/tests/integration/test_persist_trial_to_intake.pyplugins/nemo-experimentalist/tests/test_client.pyplugins/nemo-experimentalist/tests/test_experiment_cli.pyplugins/nemo-experimentalist/tests/test_experiment_mirror.pyplugins/nemo-experimentalist/tests/test_experimentalist_backend.pyplugins/nemo-experimentalist/tests/test_experimentalist_run.pyplugins/nemo-insights/src/nemo_insights_plugin/typed_client.py
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🤖 Prompt for all review comments with AI agents
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Inline comments:
In `@packages/nemo_platform_plugin/src/nemo_platform_plugin/client/client.py`:
- Line 707: Update the client lifecycle around from_client(), with_options(),
and close() to track whether each instance owns the shared _http transport. Mark
clones as non-owning and make close() invoke _http.close() only for the owning
root client, while preserving normal cleanup for cloned clients.
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TL;DR
Migrates Experimentalist off the Stainless-generated platform SDK and onto the typed
nemo_platform_pluginclients. The branch adds the typed Intake and Insights surfaces Experimentalist needs, updates Experimentalist call sites and tests to use those clients, and tightens typed-client transport ownership so shared sync/async transports are not accidentally closed by child clients or option clones.What changed
Experimentalist now constructs and passes
AsyncNemoClientinstances instead ofAsyncNeMoPlatforminstances. Remote authenticated platform URLs still use the active NeMo Platform config and OIDC token refresh path, while unauthenticated loopback/direct-mode behavior is preserved for local services.The remote authenticated client path now rejects non-loopback plaintext HTTP before attaching credentials. Loopback HTTP remains supported for local unauthenticated services, and authenticated remote URLs must use HTTPS.
The Intake typed client now covers the APIs that Experimentalist uses to persist and inspect trials: trace retrieval, span listing, span grouping, experiment create/update, evaluation create/update, ATIF ingest, OTLP ingest, and evaluator-result creation. The wire models were expanded to represent experiments, evaluations, spans, span groups, and the query parameters needed by those flows.
Experimentalist's backend, experiment mirror, trace upload, insight fetch, examples, and tests now call typed resource clients directly. The native experiment projection path still treats Intake projection failures as best-effort, keeps existing source-link preservation behavior, and continues to stamp evaluation/trial identity onto uploaded traces.
The Tau3 NOOA example now declares
nemo-platform-pluginas an editable local dependency and updates its standaloneuv.lock, so its typed-client imports resolve when the example is run outside the monorepo workspace.Fileset-backed task template staging now validates listed paths before writing downloaded content. It rejects traversal outside the staging destination and rejects paths outside a requested Fileset fragment prefix.
Typed client lifecycle support was added for sync and async clients. Root clients own their underlying HTTP transport; resource clients and
with_options/with_headersclones share that transport without owning it, so closing a child client does not close the parent.Reviewer notes
The main compatibility surface is the client boundary: code that needs a generated SDK still uses the generated SDK, while Experimentalist-specific platform calls now use typed clients. Sync and async paths are intentionally separate throughout the migrated code.
Nooa model clients now preserve refreshable Platform authentication for completion calls by resolving auth at the Nooa call boundary, rather than relying only on static default headers.
The test harness can now yield an
AsyncNemoClientbacked by the same in-process ASGI transport used by existing SDK tests, andClientContextexposes that typed async client directly.Summary by CodeRabbit