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fix: preserve Codex usage when a turn fails - #440
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The Codex adapter ran each turn with the SDK's AsyncTurnHandle.run(), which raises on a failed turn and is cancelled on a timeout. The token usage snapshots Codex had already sent for that turn were dropped with it, so a failed, timed-out or disconnected invocation reported no usage even though its model calls had spent tokens. The adapter now reads the turn's notification stream itself, records the last thread token usage snapshot, and hands the same stream to the SDK's turn collector. When the turn fails, times out or loses its connection, that snapshot goes into the failure output and is differenced against the runtime baseline like a successful turn. Usage covers the snapshots Codex sent before the failure. Codex sends a response's usage after its tool calls finish, so on a timeout the last response is not counted if it was still streaming or its tools were still running. Codex marks a context-window overflow by replacing the thread total with the window size, all other counters zero, and then fails the turn. The adapter skips that snapshot so it never reports the window size as spent tokens. A request rejected before its turn starts, such as non-text input, used to clear the usage baseline. The next successful invocation then reported no usage. Codex's thread totals do not move when no turn runs, so the adapter now keeps the baseline in that case. Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
The Deep Agents adapter summed usage_metadata from the AI messages that reached graph state through the updates stream. Three cases came out wrong: - Deep Agents adds SummarizationMiddleware to every agent and subagent. Its summary call returns only text, so the summary model's message and usage never enter graph state, and an invocation that summarized under-reported input, output and total tokens. - When the invocation raised, including GraphRecursionError, the adapter returned no messages, so usage was None even though model calls had finished. - A count was summed over the calls that reported it and returned as known. ChatOpenAI also turns an omitted Chat Completions count into 0 and derives a missing total, so a partial provider report came out as measured zeros. The adapter now records usage from LangChain's chat-model callbacks, which fire for every chat-model call that runs in the adapter process: the main agent, declarative subagents and summarization. Agent Protocol subagents run remotely and are not included. A new recorder is created for each invocation, so earlier turns are never counted again. It outlives an exception, so a failed invocation still reports the fields that every counted call reported. Each token count and the cost are known only when every counted call in the invocation reported them, and an explicit zero stays a known zero. A request the provider rejects with a 4xx status (other than 408) contributes no usage. A 5xx response, timeout, cancellation or unfinished call leaves the invocation's counts and cost unknown, because the provider may have done work without reporting usage. OpenAI SDK retries happen inside one LangChain call, so a 5xx the SDK retries to success is not visible to the recorder, and only the final response's reported usage counts. When a response carries OpenAI-shaped raw usage, the raw counts decide what was reported: an omitted count stays unknown, the provider's total is used when present, and a derived total counts only when input and output were both reported. The graph tests run the real Deep Agents graph and ChatOpenAI against a scripted Chat Completions endpoint for summarization, parallel task subagents, 400, 408, 503 and timeout failures, the recursion limit, partial reports and explicit zeros. Separate ChatOpenAI.with_retry tests cover 429 then success and 503 then success. The existing usage tests now produce their messages through a LangChain chat-model call so the callbacks fire. Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
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WalkthroughThe change adds invocation-scoped usage accounting across adapter contracts, Codex, Deep Agents, Core normalization, runtime results, SDK summaries, schemas, tests, and documentation. Relay gateway readiness now uses a bounded 30-second startup budget. ChangesUsage accounting
Relay gateway readiness
Priority: ➖ Normal Estimated code review effort: 5 (Critical) | ~90 minutes Change: Feature Possibly related PRs
Merge Risk: ⚪ Minimal · up to
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| Check name | Status | Explanation | Resolution |
|---|---|---|---|
| Docstring Coverage |  |
Docstring coverage is 18.58% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 323 functions across 42 files. (5 skipped… | Write docstrings for the functions missing them to satisfy the coverage threshold. |
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Check name Status Explanation Title check The title follows Conventional Commits format, uses the allowed lowercase type fix, summarizes the Codex usage change, and meets the length and punctuation requirements.Linked Issues check Check skipped because no linked issues were found for this pull request. Out of Scope Changes check Check skipped because no linked issues were found for this pull request. Description check The pull request description is complete and follows the required template. It includes an overview, reviewer starting points, related-issue information, validation details, and both required confirma… Full details: Description check
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Explanation
The pull request description is complete and follows the required template. It includes an overview, reviewer starting points, related-issue information, validation details, and both required confirmations. The dependency on
#442and known accounting limitations are also documented.
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Full details: Docstring Coverage
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Explanation
Docstring coverage is 18.58% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 323 functions across 42 files. (5 skipped: 5 unsupported.)
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Write docstrings for the functions missing them to satisfy the coverage threshold.
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Fern docs preview: https://nvidia-preview-pull-request-440.docs.buildwithfern.com/nemo/fabric |
Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
After a timeout, a closed connection, or a stream that ended early, the adapter reported the turn's last usage snapshot as the invocation's complete usage. Codex sends a response's usage after its tool calls finish, so without turn/completed a response may still have been running and its tokens are missing from that snapshot. The adapter now records whether Codex sent turn/completed for the turn. Without it, normalized usage is unknown and the last snapshot stays in output.usage. A turn that Codex completed with a failed status keeps its usage, because every response of that turn has ended. After these failures the runtime accepts no further invocations, so the interrupted turn's usage never reaches a later invocation. Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
2 tasks done
LangChain carries cache reads per model call in usage_metadata.input_token_details.cache_read, and OpenAI raw usage carries them in prompt_tokens_details.cached_tokens, but the adapter never reported cached_input_tokens. Sum cached input per call with the same rule as the other counts: one call without a cache count leaves the sum unknown, and a reported 0 stays 0. Raw OpenAI usage is read first because ChatOpenAI renames the cache key for priority and flex service tiers. Report input_tokens_include_cache=True whenever input tokens are known. LangChain's UsageMetadata.input_tokens counts every input token type; langchain-anthropic adds cache reads and writes back into it, and OpenAI's prompt_tokens already includes cached tokens. Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
The adapter drops a model call that the provider rejects with a 4xx status other than 408, because the provider spent no tokens on it. When every call was rejected, or no call started, the call list was empty and the usage was reported as unknown, although the invocation provably spent no tokens. The adapter now reports 0 for every token count and the cost in that case. Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
Deep Agents routes a subagent spec with graph_id to its async subagent middleware, which starts and updates tasks on a remote Agent Protocol server. Those model calls never reach the adapter's callbacks, so the reported counts left them out while appearing complete. The adapter blocked such subagents only when a tools policy was configured. When the configured subagents include one with graph_id, the adapter now reports the invocation's token counts and cost as unknown. The local sums stay in output.usage. Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
The usage notes said that after a 5xx response, timeout, or cancelled call the provider may have done work. The reason the counts stay unknown is narrower: the provider may have billed the call without reporting usage. The README, the recorder docstring, and a test comment now say that. Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
Apply ruff format to the check added in the previous commit. Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
…gent The adapter reports 0 when its callbacks observed no billed model call. That 0 holds for the invocation only when every model call runs through those callbacks. Deep Agents runs declarative subagents and summarization inside the graph, where the run config's callbacks reach them, but an Agent Protocol subagent (graph_id) runs on a remote server that the callbacks never see. The adapter already reports unknown usage for a runtime with such a subagent; this test pins that for an invocation whose only observed call was rejected, and the docstring and README state the condition. Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
mnajafian-nv
marked this pull request as draft
October 20, 2026 19:53
Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
Separate complete invocation totals from available observations and preserve accounting gaps. Add the first collector in Deep Agents. Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
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Inline comments:
Review comments at @adapters/python/codex/README.md:
- Line 88: Update the product reference in the qualified accounting boundary
sentence in the README to use the full name “NeMo Fabric” instead of the
standalone name; leave the rest of the sentence unchanged.
Review comments at @crates/fabric-core/src/runtime.rs:
- Line 2327: Replace the redundant closure in the map call with the direct
crate::model_usage::normalize_model_usage function path.
Review comments at @crates/fabric-core/src/usage_normalization.rs:
- Around line 444-451: After the per-dimension recovery loop, validate complete
aggregate cache counts against complete input_tokens; if their sum exceeds
input_tokens, mark input_tokens, cached_input_tokens, and
cache_write_input_tokens as inconsistent_usage in both counts and observations.
Apply the equivalent validation to each per-model entry after request recovery.
Review comments at @docs/adapter-contract/tutorials/results.md:
- Line 111: Change the step 2 heading “Separate Failure Classes” from level 2 to
level 3 so it remains grouped with steps 1, 3, and 4 under “To Normalize Results
and Telemetry.”
Review comments at @docs/integrations/harness/codex.mdx:
- Line 149: Update the qualified-scope sentence to use “NeMo Fabric” instead of
the standalone product name “Fabric” when describing the invocation.
Review comments at @schemas/SCHEMA.md:
- Around line 50-51: Update the Directory Layout tree in the schema
documentation to include the extensions/ directory and
usage-accounting.schema.json. Qualify the statement that adapter-contract/ is
the complete schema entry point so it notes that adapters must also declare
applicable extensions; do not add the schema to an exported list.
Review comments at @tests/docs/test_python_api_docs.py:
- Line 180: Update the `page.read_text()` calls used with
`FUNCTION_SIGNATURE.finditer` to specify UTF-8 explicitly, including both
occurrences in the test, so generated reference pages are decoded consistently
across platforms.
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Enforce the product name in user-facing prose: use "NVIDIA NeMo Fabric" on first use and "NeMo Fabric" thereafter.
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docs/reference/api/rust-library-reference/nemo-fabric-core/schema/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/struct-modelusage.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/enum-usagedimension.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/struct-usagegap.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/fn-version.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/schema/enum-schemaname.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/pricing/struct-ratesnapshot.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/struct-tokencounts.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/struct-usagegap.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/constant-usage-accounting-extension.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/system-stats/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/runtime/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/pricing/index.mdxadapters/python/claude/README.mddocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/struct-accountingerror.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/struct-reportedusage.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/pricing/struct-appliedpricing.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/resource-snapshot/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/enum-usagedimension.mdxskills/nemo-fabric-integrate/references/sdk-api-inventory.mdschemas/SCHEMA.mddocs/integrations/harness/codex.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/index.mdxdocs/reference/api/python-library-reference/nemo_fabric.capabilities.mddocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/struct-costamount.mdxdocs/reference/api/python-library-reference/index.mddocs/reference/api/rust-library-reference/nemo-fabric-core/runtime/struct-runresult.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/struct-permodelusage.mdxadapters/python/common/README.mddocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/struct-tokencost.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/pricing/struct-pricingbasis.mdxadapters/python/deepagents/README.mdskills/nemo-fabric-build-adapter/SKILL.mddocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/struct-usagerequest.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/enum-gapreason.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/error/enum-fabricerror.mdxadapters/python/codex/README.mddocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/struct-accountedmodel.mdxdocs/sdk/python.mdxskills/nemo-fabric-integrate/references/results-and-errors.mddocs/adapter-contract/tutorials/results.mddocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/struct-usageaccounting.mdxdocs/reference/api/python-library-reference/nemo_fabric.accounting.mddocs/reference/api/python-library-reference/nemo_fabric.types.md
Review adapter and example changes for command correctness, config/schema consistency, artifact handling, and compatibility with the public NeMo Fabric contracts.
⚙️ CodeRabbit configuration file
Files:
examples/openshell/run-demo.shadapters/python/claude/README.mdadapters/python/common/README.mdadapters/python/deepagents/README.mdadapters/python/common/src/nemo_fabric_adapters/common/relay_gateway.pyadapters/python/codex/README.mdadapters/python/deepagents/deepagents.fabric-adapter.jsonadapters/python/codex/codex.fabric-adapter.jsonadapters/python/codex/src/nemo_fabric_adapters/codex/adapter.pyadapters/python/deepagents/src/nemo_fabric_adapters/deepagents/usage.pyadapters/python/deepagents/src/nemo_fabric_adapters/deepagents/adapter.py
Do not flag SKILL.md files for missing SPDX headers.
⚙️ CodeRabbit configuration file
Files:
skills/nemo-fabric-build-adapter/SKILL.md
Schemas are generated public contract snapshots.
⚙️ CodeRabbit configuration file
Files:
schemas/SCHEMA.mdschemas/extensions/usage-accounting.schema.jsonschemas/sdk/run-result.schema.json
Tests should cover the behavior promised by the changed API surface, including error paths, lifecycle cleanup, and SDK/native parity where relevant.
⚙️ CodeRabbit configuration file
Files:
tests/_utils/utils.pytests/adapters/test_adapaters_common_utils.pytests/_utils/mock_api_server.pytests/scripts/test_openshell_launcher.pytests/adapters/test_deepagents_usage_descriptor.pytests/adapters/test_adapters_common_relay_gateway.pytests/adapters/test_deepagents.pytests/fixtures/usage_accounting/conformance.jsontests/fixtures/usage_accounting/reducer-cases.jsontests/python/conftest.pytests/python/test_usage_reducer_parity.pytests/python/test_model_usage.pytests/adapters/test_deepagents_accounting.pytests/docs/test_python_api_docs.pytests/adapters/test_codex_usage_accounting.pytests/adapters/test_codex_adapter.py
Applicability reference: AGENTS.md: # AGENTS.md Keep public bindings current when the API changes: `docs/sdk/python.mdx` for the Python SDK; `adapter-contract/python/` and `adapter-contract/typescript/` for the southbound adapter contract;...
📄 CodeRabbit inference engine (schemas/SCHEMA.md)
Files:
adapter-contract/typescript/test/usage-accounting.test.mjsschemas/SCHEMA.mdadapter-contract/typescript/test/usage-accounting.test.tsschemas/extensions/usage-accounting.schema.jsonadapter-contract/python/src/nemo_fabric_adapter_contract/models.pyschemas/sdk/run-result.schema.json
Source excerpt: Treat all files under `docs/reference/api/` as generated output.
📄 CodeRabbit inference engine (.agents/skills/review-doc-style/SKILL.md)
Files:
docs/reference/api/rust-library-reference/nemo-fabric-core/schema/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/struct-modelusage.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/enum-usagedimension.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/struct-usagegap.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/fn-version.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/schema/enum-schemaname.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/pricing/struct-ratesnapshot.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/struct-tokencounts.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/struct-usagegap.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/constant-usage-accounting-extension.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/system-stats/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/runtime/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/pricing/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/struct-accountingerror.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/struct-reportedusage.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/pricing/struct-appliedpricing.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/resource-snapshot/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/enum-usagedimension.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/index.mdxdocs/reference/api/python-library-reference/nemo_fabric.capabilities.mddocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/struct-costamount.mdxdocs/reference/api/python-library-reference/index.mddocs/reference/api/rust-library-reference/nemo-fabric-core/runtime/struct-runresult.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/struct-permodelusage.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/struct-tokencost.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/pricing/struct-pricingbasis.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/struct-usagerequest.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/enum-gapreason.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/error/enum-fabricerror.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/struct-accountedmodel.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/struct-usageaccounting.mdxdocs/reference/api/python-library-reference/nemo_fabric.accounting.mddocs/reference/api/python-library-reference/nemo_fabric.types.md
Source excerpt: In MDX files, top-of-file comments must use JSX comment delimiters: `{/*` to open and `*/}` to close.
📄 CodeRabbit inference engine (.agents/skills/contribute-docs/SKILL.md)
Files:
docs/reference/api/rust-library-reference/nemo-fabric-core/schema/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/struct-modelusage.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/enum-usagedimension.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/struct-usagegap.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/fn-version.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/schema/enum-schemaname.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/pricing/struct-ratesnapshot.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/struct-tokencounts.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/struct-usagegap.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/constant-usage-accounting-extension.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/system-stats/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/runtime/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/pricing/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/struct-accountingerror.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/struct-reportedusage.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/pricing/struct-appliedpricing.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/resource-snapshot/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/enum-usagedimension.mdxdocs/integrations/harness/codex.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/struct-costamount.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/runtime/struct-runresult.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/struct-permodelusage.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/struct-tokencost.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/pricing/struct-pricingbasis.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/struct-usagerequest.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/enum-gapreason.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/error/enum-fabricerror.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/struct-accountedmodel.mdxdocs/sdk/python.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/struct-usageaccounting.mdx
Source excerpt: Treat these as blocking issues: MDX top-of-file SPDX comments use HTML comment delimiters instead of `{/* ...
📄 CodeRabbit inference engine (.agents/skills/review-doc-style/SKILL.md)
Files:
docs/reference/api/rust-library-reference/nemo-fabric-core/schema/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/struct-modelusage.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/enum-usagedimension.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/struct-usagegap.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/fn-version.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/schema/enum-schemaname.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/pricing/struct-ratesnapshot.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/struct-tokencounts.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/struct-usagegap.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/constant-usage-accounting-extension.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/system-stats/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/runtime/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/pricing/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/struct-accountingerror.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/struct-reportedusage.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/pricing/struct-appliedpricing.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/resource-snapshot/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/enum-usagedimension.mdxdocs/integrations/harness/codex.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/struct-costamount.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/runtime/struct-runresult.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/struct-permodelusage.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/struct-tokencost.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/pricing/struct-pricingbasis.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/struct-usagerequest.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/enum-gapreason.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/error/enum-fabricerror.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/struct-accountedmodel.mdxdocs/sdk/python.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/struct-usageaccounting.mdx
Source excerpt: For links between files under `docs/`, use paths relative to the source file and include the target file's `.mdx` extension.
📄 CodeRabbit inference engine (.agents/skills/review-doc-style/SKILL.md)
Files:
docs/reference/api/rust-library-reference/nemo-fabric-core/schema/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/struct-modelusage.mdxdocs/index.ymldocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/enum-usagedimension.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/struct-usagegap.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/fn-version.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/schema/enum-schemaname.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/pricing/struct-ratesnapshot.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/struct-tokencounts.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/struct-usagegap.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/constant-usage-accounting-extension.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/system-stats/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/runtime/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/pricing/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/struct-accountingerror.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/struct-reportedusage.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/pricing/struct-appliedpricing.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/resource-snapshot/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/enum-usagedimension.mdxdocs/integrations/harness/codex.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/index.mdxdocs/reference/api/python-library-reference/nemo_fabric.capabilities.mddocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/struct-costamount.mdxdocs/reference/api/python-library-reference/index.mddocs/reference/api/rust-library-reference/nemo-fabric-core/runtime/struct-runresult.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/struct-permodelusage.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/struct-tokencost.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/pricing/struct-pricingbasis.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/struct-usagerequest.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/enum-gapreason.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/error/enum-fabricerror.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/struct-accountedmodel.mdxdocs/sdk/python.mdxdocs/adapter-contract/tutorials/results.mddocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/struct-usageaccounting.mdxdocs/reference/api/python-library-reference/nemo_fabric.accounting.mddocs/reference/api/python-library-reference/nemo_fabric.types.md
Applicability reference: AGENTS.md: # AGENTS.md NeMo Fabric ships two tiers of agent skills.
📄 CodeRabbit inference engine (skills/README.md)
Files:
skills/nemo-fabric-integrate/references/sdk-api-inventory.mdskills/nemo-fabric-build-adapter/SKILL.md.agents/skills/contribute-adapter/SKILL.mdskills/nemo-fabric-integrate/references/results-and-errors.md
Source excerpt: Keep `adapter-contract/typescript/package.json` and the root package entries in its `package-lock.json` aligned with the Cargo SemVer release version.
📄 CodeRabbit inference engine (.agents/skills/update-project-version/SKILL.md)
Files:
adapter-contract/typescript/package.json
Source excerpt: [ ] Relevant adapter or example `README.md` files updated when examples or adapters have changed.
📄 CodeRabbit inference engine (.agents/skills/contribute-docs/SKILL.md)
Files:
adapters/python/claude/README.mdadapters/python/common/README.mdadapters/python/deepagents/README.mdadapters/python/codex/README.md
Source excerpt: [ ] Any Rust change ran `just test-rust` Source excerpt: [ ] Any Rust change ran `cargo fmt --all -- --check` Source excerpt: [ ] `crates/fabric-core` changes ran both the Rust and Python suites
📄 CodeRabbit inference engine (.agents/skills/prepare-pr/SKILL.md)
Files:
crates/fabric-core/src/lib.rscrates/fabric-core/src/schema.rscrates/fabric-core/src/runtime.rs
Source excerpt: [ ] `README.md` or `docs/index.yml` updated when entry points changed
📄 CodeRabbit inference engine (.agents/skills/contribute-docs/SKILL.md)
Files:
docs/index.yml
Source excerpt: Follow these repository-specific requirements after applying the public skill: Place a Python adapter under `adapters/python//` with `LICENSE -> ../../../LICENSE`, `README.md`, `.fabric-adapter.json`, Python pack...
📄 CodeRabbit inference engine (.agents/skills/contribute-adapter/SKILL.md)
Files:
adapters/python/claude/README.mdadapters/python/common/README.mdadapters/python/deepagents/README.mdadapters/python/common/src/nemo_fabric_adapters/common/relay_gateway.pyadapters/python/codex/README.mdadapters/python/deepagents/deepagents.fabric-adapter.jsonadapters/python/codex/codex.fabric-adapter.jsonadapters/python/codex/src/nemo_fabric_adapters/codex/adapter.pyadapters/python/deepagents/src/nemo_fabric_adapters/deepagents/usage.pyadapters/python/deepagents/src/nemo_fabric_adapters/deepagents/adapter.py
Applicability reference: AGENTS.md: # AGENTS.md NeMo Fabric ships two tiers of agent skills.
📄 CodeRabbit inference engine (skills/README.md)
Files:
skills/nemo-fabric-build-adapter/SKILL.md
Source excerpt: Inspect explicit Python versions and internal pins: `rg -n '^version =|nemo-fabric-[a-z-]+(?:\[[^]]+\])?
📄 CodeRabbit inference engine (.agents/skills/update-project-version/SKILL.md)
Files:
pyproject.toml
Source excerpt: Inspect the TypeScript package and lockfile root versions: `rg -n '"version":' adapter-contract/typescript/package{,-lock}.json`
📄 CodeRabbit inference engine (.agents/skills/update-project-version/SKILL.md)
Files:
adapter-contract/typescript/package.json
🧠 Learnings: 1
📚 Learning: 2026-07-24T16:07:22.255Z
Learnt from: AjayThorve
Repo: NVIDIA/NeMo-Fabric PR: 118
File: docs/reference/api/rust-library-reference/nemo-fabric-core/config/struct-adapterdescriptor.mdx:5-5
Timestamp: 2026-07-24T16:07:22.255Z
Learning: In this repo, files generated under `docs/reference/api/**` are NVIDIA NeMo Fabric API reference output. When reviewing changes to these generated pages, do not treat sidebar `position`/ordering updates as direct manual edits—these can be regenerated by running `just docs` after adding public types. Only flag substantive content changes that are not explained by generation.
Applied to files:
docs/reference/api/rust-library-reference/nemo-fabric-core/schema/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/struct-usagegap.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/fn-version.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/struct-usagegap.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/runtime/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/pricing/struct-appliedpricing.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/resource-snapshot/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/struct-costamount.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/model-usage/struct-tokencost.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/pricing/struct-pricingbasis.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/struct-accountedmodel.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/usage-accounting/struct-usageaccounting.mdx
🪛 ast-grep (0.45.3)
scripts/contracts/generate_usage_accounting.py
[info] 39-39: use jsonify instead of json.dumps for JSON output
Context: json.dumps(extensions, indent=2)
Note: [CWE-116] Improper Encoding or Escaping of Output.
(use-jsonify)
adapters/python/common/src/nemo_fabric_adapters/common/relay_gateway.py
[warning] 131-133: Request-controlled URL passed to urlopen; validate against an allowlist to prevent SSRF.
Context: urllib.request.urlopen(
health_url, timeout=min(1.0, remaining)
)
Note: [CWE-918] Server-Side Request Forgery (SSRF).
(urlopen-unsanitized-data)
tests/python/conftest.py
[info] 40-40: use jsonify instead of json.dumps for JSON output
Context: json.dumps(descriptor)
Note: [CWE-116] Improper Encoding or Escaping of Output.
(use-jsonify)
tests/python/test_usage_reducer_parity.py
[error] 78-84: Command coming from incoming request
Context: subprocess.run(
[node, "--input-type=module", "-e", source, str(module)],
input=json.dumps(VECTORS),
capture_output=True,
text=True,
check=True,
)
Note: [CWE-78] Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection').
(subprocess-from-request)
[info] 80-80: use jsonify instead of json.dumps for JSON output
Context: json.dumps(VECTORS)
Note: [CWE-116] Improper Encoding or Escaping of Output.
(use-jsonify)
tests/adapters/test_deepagents_accounting.py
[info] 538-543: use jsonify instead of json.dumps for JSON output
Context: json.dumps(
{
"description": f"Echo {index}.",
"subagent_type": "general-purpose",
}
)
Note: [CWE-116] Improper Encoding or Escaping of Output.
(use-jsonify)
[info] 619-619: use jsonify instead of json.dumps for JSON output
Context: json.dumps(chunk)
Note: [CWE-116] Improper Encoding or Escaping of Output.
(use-jsonify)
[warning] 836-836: Do not make http calls without encryption
Context: "http://api.openai.com/v1"
Note: [CWE-319] Cleartext Transmission of Sensitive Information.
(requests-http)
🪛 Clippy (1.99.0)
crates/fabric-core/src/runtime.rs
[warning] 2327-2327: redundant closure
(warning)
🪛 SkillSpector (2.12.0)
skills/nemo-fabric-build-adapter/SKILL.md
[warning] 1: [TR2] Shadow Command Trigger: Shadow Command Trigger: description clause 'ng adapter or target descriptors, mapping AgentConfig into an agent harness or custom-agent runtime, implementing start/invoke/stop, declaring schemas and capabilities, packaging discovery metadata, or assessing adapter conformance' conflicts with built-in command 'stop'
Remediation: Choose triggers that do not conflict with built-in commands or other skills. Prefix with a unique namespace if necessary.
(Trigger Abuse (TR2))
.agents/skills/contribute-adapter/SKILL.md
[warning] 10: [AS3] Skill Enumeration: Skill enumerates or reads other installed skills. Access to other skills' SKILL.md files or the skills directory reveals prompt instructions, capabilities, and secrets that should be invisible to peer skills.
Remediation: Remove all code or instructions that list or read other skills' files or directories. Skills should operate independently; cross-skill access is a privilege escalation.
(Agent Snooping (AS3))
🔇 Additional comments: 59
adapters/python/claude/README.md: 1
172-172: LGTM!adapters/python/common/README.md: 1
125-138: LGTM!adapters/python/common/src/nemo_fabric_adapters/common/relay_gateway.py: 1
23-26: LGTM!Also applies to: 116-141
tests/adapters/test_adapters_common_relay_gateway.py: 1
274-336: LGTM!tests/_utils/mock_api_server.py: 1
7-7: LGTM!Also applies to: 542-542
tests/_utils/utils.py: 1
25-35: LGTM!Also applies to: 64-66, 92-94, 105-107
tests/adapters/test_adapaters_common_utils.py: 1
1335-1338: LGTM!tests/adapters/test_deepagents.py: 1
8-10: LGTM!Also applies to: 27-27, 1450-1450, 1459-1461, 2118-2119, 2435-2436, 2556-2559, 2610-2613
tests/docs/test_python_api_docs.py: 1
27-27: LGTM!Also applies to: 40-40, 58-62, 84-92, 168-169, 177-183, 272-284, 350-370
tests/adapters/test_deepagents_usage_descriptor.py: 1
1-49: LGTM!pyproject.toml: 1
164-164: LGTM!examples/openshell/run-demo.sh: 1
275-279: LGTM!tests/scripts/test_openshell_launcher.py: 1
15-15: LGTM!Also applies to: 176-191, 204-209, 220-239
tests/adapters/test_codex_adapter.py: 1
26-31: LGTM!Also applies to: 145-262, 266-340, 350-353, 457-475, 489-511, 639-643, 653-653, 753-753, 1194-1194, 1217-1217, 1323-1323, 1348-1348, 1383-1388, 1464-1464, 1558-1558, 1566-1719, 1758-1758, 1873-1873, 2147-2148, 2189-2191, 2362-2487
tests/python/conftest.py: 2
12-72: LGTM!
6-9: 🩺 Stability & AvailabilityThe fixture dependencies are present.
tests/python/conftest.pyimports bothjsonandsys, andpyproject.tomlsetsasyncio_mode = "auto". The async fixture does not require a code change.tests/python/test_model_usage.py: 1
1-475: LGTM!adapter-contract/python/src/nemo_fabric_adapter_contract/models.py: 1
524-643: LGTM!adapter-contract/python/src/nemo_fabric_adapter_contract/usage.py: 1
1-238: LGTM!adapter-contract/typescript/schemas/usage-accounting.schema.json: 1
1-329: LGTM!adapter-contract/typescript/src/usage.ts: 1
1-152: LGTM!adapter-contract/typescript/scripts/generate.mjs: 1
110-131: LGTM!adapter-contract/typescript/src/index.ts: 1
16-16: LGTM!Also applies to: 43-44
adapter-contract/typescript/package.json: 1
29-29: LGTM!Also applies to: 32-32
adapter-contract/typescript/scripts/check-package.mjs: 1
51-55: LGTM!Also applies to: 128-128, 134-135
adapter-contract/typescript/test/usage-accounting.test.mjs: 1
1-12: LGTM!adapter-contract/typescript/test/usage-accounting.test.ts: 1
1-17: LGTM!adapter-contract/typescript/test/usage-reducer.test.js: 1
1-48: LGTM!tests/fixtures/usage_accounting/conformance.json: 1
1-488: LGTM!tests/fixtures/usage_accounting/reducer-cases.json: 1
1-441: LGTM!tests/python/test_usage_reducer_parity.py: 1
1-134: LGTM!adapters/python/codex/codex.fabric-adapter.json: 1
12-30: LGTM!Also applies to: 37-55, 65-78, 89-105, 135-486, 498-518
adapters/python/deepagents/deepagents.fabric-adapter.json: 1
12-49: LGTM!Also applies to: 73-78, 91-93, 139-143, 180-184, 202-204, 253-609
crates/fabric-cli/assets/adapters/codex/codex.fabric-adapter.json: 1
12-30: LGTM!Also applies to: 37-55, 65-78, 89-105, 135-486, 498-518
crates/fabric-cli/assets/adapters/deepagents/deepagents.fabric-adapter.json: 1
12-49: LGTM!Also applies to: 73-78, 91-93, 139-143, 180-184, 202-204, 253-609
adapters/python/codex/src/nemo_fabric_adapters/codex/adapter.py: 1
20-57: LGTM!Also applies to: 71-75, 374-374, 1063-1125, 1175-1295, 1336-1377, 1391-1425, 1574-1574, 1643-1717
adapters/python/deepagents/src/nemo_fabric_adapters/deepagents/adapter.py: 1
39-42: LGTM!Also applies to: 199-262, 636-667, 699-703, 806-820, 896-923, 963-990, 1017-1018, 1037-1037, 1074-1074, 1302-1303, 1321-1322
adapters/python/deepagents/src/nemo_fabric_adapters/deepagents/usage.py: 1
1-465: LGTM!tests/adapters/test_codex_usage_accounting.py: 1
1-506: LGTM!tests/adapters/test_deepagents_accounting.py: 1
1-878: LGTM!adapters/python/codex/README.md: 1
82-86: LGTM!Also applies to: 110-110, 163-165
crates/fabric-core/src/lib.rs: 1
13-23: LGTM!crates/fabric-core/src/measurement.rs: 1
1-84: LGTM!crates/fabric-core/src/model_usage.rs: 1
1-631: LGTM!crates/fabric-core/src/pricing.rs: 1
1-62: LGTM!crates/fabric-core/src/usage_accounting.rs: 1
1-353: LGTM!crates/fabric-core/src/runtime.rs: 1
151-153: LGTM!Also applies to: 2352-2352, 4121-4121, 4373-4404, 4640-4640, 6115-6133, 6660-6693
crates/fabric-core/src/schema.rs: 1
27-28: LGTM!Also applies to: 79-80, 109-109, 145-145, 162-162, 206-208
sdk/python/nemo-fabric-runtime/src/nemo_fabric/types.py: 1
2522-2883: LGTM!Also applies to: 2927-2927, 2947-2947, 2976-2980
sdk/python/nemo-fabric-runtime/src/nemo_fabric/__init__.py: 1
6-14: LGTM!Also applies to: 95-103
sdk/python/nemo-fabric-runtime/src/nemo_fabric/accounting.py: 1
1-190: LGTM!docs/adapter-contract/tutorials/results.md: 1
87-110: LGTM!docs/index.yml: 1
101-102: LGTM!docs/integrations/harness/codex.mdx: 1
139-147: LGTM!Also applies to: 151-151
docs/reference/api/python-library-reference/index.md: 1
13-13: LGTM!Also applies to: 26-27, 71-71, 77-77, 87-89, 102-104, 116-116
docs/reference/api/python-library-reference/nemo_fabric.accounting.md: 1
1-88: LGTM!docs/sdk/python.mdx: 1
1158-1158: LGTM!Also applies to: 1195-1244
schemas/SCHEMA.md: 1
136-137: LGTM!schemas/extensions/usage-accounting.schema.json: 1
1-329: LGTM!
Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
Keep packaged adapter declarations in the canonical usage-schema synchronization and drift check. Prevent the check from passing with a stale packaged schema. Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
Return the documented JSON-compatible rate snapshot instead of exposing a frozen internal mapping. Preserve optional cache rates and snapshot isolation. Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
mnajafian-nv
marked this pull request as ready for review
October 23, 2026 12:37
mnajafian-nv
marked this pull request as draft
October 23, 2026 15:53
Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
mnajafian-nv
marked this pull request as ready for review
October 23, 2026 16:33
Use the system Bash path so macOS tests exercise Bash 3.2 even when PATH contains a newer Bash. This keeps the empty-array regression meaningful in CI. Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
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Overview
A Codex turn can fail after model calls have returned usage. A thread-wide token snapshot also cannot show whether individual responses omitted usage fields.
Read original completion notifications for each turn. Keep accounted usage after a failed completed turn, while retaining only observations and gaps when execution is interrupted or coverage cannot be established.
Dependencies: #442 supplies the shared accounting contract and normalizer. The diff against
mainincludes unmerged prerequisites.Details
Enable raw events through the pinned SDK request API and collect response IDs within the turn. Preserve missing fields before SDK normalization and deduplicate response reports. Keep the cumulative thread snapshot separately in
output.usage; it does not replace missing response evidence.Retries, ambiguous errors, missing reports and conflicting duplicate IDs leave accounting gaps. Without
turn/completed, the runtime becomes unusable so late usage cannot enter another invocation. A failed status on a completed turn does not, by itself, invalidate accounted model calls.Collection covers the parent turn started by the invocation. Actual subagent dispatch leaves descendant coverage unverified. Independently started turns joined by the SDK and hidden model calls inside external tools are outside the collection boundary.
The notifications do not establish per-model token allocation or provider-reported cost. The configured model name therefore does not authorize pricing these observations. Shared accounting in #442 handles normalization and completeness.
Validation
Regression tests cover failed completed turns, missing completion notifications, transport failures, omitted fields, duplicate response IDs and actual child dispatch. The interrupted-turn cases check that the runtime cannot be reused and late usage cannot enter another invocation.
Where should the reviewer start?
Start with
_turn_notifications,_run_turnand the unusable-runtime guard inadapters/python/codex/src/nemo_fabric_adapters/codex/adapter.py. Reviewtests/adapters/test_codex_usage_accounting.pyfor failed completion, interruption, omitted fields and duplicate IDs.Related Issues: (use one of the action keywords Closes / Fixes / Resolves / Relates to)
Relates to: none
I confirm this contribution is my own work, or I have the right to submit it under this project's license.
I searched existing issues and open pull requests, and this does not duplicate existing work.