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feat: estimate model cost with versioned pricing - #478
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mnajafian-nv wants to merge 48 commits into
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mnajafian-nv wants to merge 48 commits into
mnajafian-nv wants to merge 48 commits into
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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>
Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
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>
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>
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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WalkthroughThe pull request adds invocation-scoped usage evidence, core normalization and catalog pricing, Deep Agents instrumentation, SDK summaries, schemas, tests, and documentation. It also extends Relay readiness to a 30-second startup budget and updates OpenShell launcher handling. ChangesUsage accounting and pricing
Priority: Estimated code review effort: 5 (Critical) | ~90 minutes Merge Risk:
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| Check name | Status | Explanation | Resolution |
|---|---|---|---|
| Docstring Coverage |  |
Docstring coverage is 30.92% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 346 functions across 44 files. (4 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 with the allowed lowercase type feat, uses an imperative summary, stays under 72 characters, and accurately describes the pricing change.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 description includes an overview, reviewer starting points, implementation details, validation status, related-issue section, and both required confirmations. The related-issue entry says “Relates… Full details: Description check
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Explanation
The description includes an overview, reviewer starting points, implementation details, validation status, related-issue section, and both required confirmations. The related-issue entry says “Relates to: none” instead of naming an issue, but this is a minor non-critical omission.
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Full details: Docstring Coverage
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Resolution
Write docstrings for the functions missing them to satisfy the coverage threshold.
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Inline comments:
Review comments at @crates/fabric-core/src/pricing.rs:
- Around line 101-102: Update the all-native fallback in
NativePricingRoutes::allows to also check whether the accounted provider’s
endpoint is native, using the existing endpoint map and provider-specific
endpoint rules; unknown providers must fail this check, while a missing provider
preserves current behavior. Keep the endpoint map in NativePricingRoutes and add
a regression test beside
native_pricing_routes_preserve_ambiguity_and_served_aliases for the inherited
Anthropic proxy case.
Review comments at @crates/fabric-core/src/runtime.rs:
- Around line 2324-2348: Extract the model-usage normalization and invalid-usage
event handling from run_local_host_invocation_with_timeout into a shared helper,
then call it for both local-host results and OpenShellRuntimeAdapter::invoke
after identity checks. Normalize the host-side usage with the applicable user
price catalog and bundled-route gate, assign the result to result.model_usage,
and preserve execution outcomes when normalization fails. Confirm the correct
pricing-route source for OpenShell rather than assuming the local-host route
snapshot applies.
Review comments at
@docs/reference/api/rust-library-reference/nemo-fabric-core/price-catalog/index.mdx:
- Line 15: Update the source documentation for the price catalog so its first
mention uses “NVIDIA NeMo Fabric,” then regenerate the page; retain “NeMo
Fabric” for later mentions.
Review comments at
@docs/reference/api/rust-library-reference/nemo-fabric-core/price-catalog/struct-modelpricing.mdx:
- Line 33: Update the source field documentation so its first product-name
mention uses “NVIDIA NeMo Fabric,” while preserving “NeMo Fabric” for later
mentions; regenerate the reference page from its source.
Review comments at
@docs/reference/api/rust-library-reference/nemo-fabric-core/runtime/struct-runresult.mdx:
- Line 12: The generated API reference mixes Rust standard-library documentation
versions and inconsistent slug front matter. Regenerate the affected API
reference pages together using one consistent toolchain and generation
configuration, including RunResult and the model-usage and pricing pages.
Review comments at @docs/sdk/python.mdx:
- Around line 1234-1235: Update the pricing override guidance in the
documentation to show that `PricingConfig(catalog_path="prices.json")` is
attached through `FabricConfig.pricing`, using the existing `FabricConfig` and
`PricingConfig` symbols.
Review comments at @scripts/contracts/generate_usage_accounting.py:
- Around line 22-25: Update the descriptor collection in the script’s
`descriptors` list to include packaged adapter assets under
`crates/fabric-cli/assets/adapters`, so generation and `--check` also cover the
packaged DeepAgents descriptor and keep it synchronized with the adapter copy.
Review comments at
@sdk/python/nemo-fabric-runtime/src/nemo_fabric/accounting.py:
- Around line 176-190: In summarize_usage, rename reused local bindings such as
result, dimension, and key to role-specific names, updating their references
consistently across invocation processing and pricing aggregation. Keep the
aggregation logic and behavior unchanged.
Review comments at @sdk/python/nemo-fabric-runtime/src/nemo_fabric/types.py:
- Line 2569: Update AppliedPricing’s _json_fields to include rates so reads
return a detached dictionary, matching the declared type contract and allowing
JSON serialization.
Review comments at
@skills/nemo-fabric-integrate/references/sdk-api-inventory.md:
- Around line 95-96: Move the summarize_usage paragraph out of the Execution
Model section and place it in a new Usage Summaries section or after the Runtime
Methods or Stream Handles content. Keep the Execution Model opening sentence
adjacent to the list it introduces.
Review comments at @tests/python/test_usage_reducer_parity.py:
- Around line 68-71: Update the dependency check in the cross-binding parity
test so missing Node.js or `dist/usage.js` fails when a CI environment variable
is set, while retaining the local skip behavior. Use the existing check around
`shutil.which` and `module.exists()`; do not add stale-build checks unless
needed for this change.
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This was referenced Oct 22, 2026
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>
Check the source-qualified child provider against its own inherited endpoint before applying bundled prices. Keep native served aliases and missing-provider behavior unchanged. 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>
Keep host catalog paths out of task planning and apply the frozen explicit catalog at the host boundary. Preserve validated task-native bundled estimates when no override is configured. 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>
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Review comments at
@docs/reference/api/rust-library-reference/nemo-fabric-core/price-catalog/struct-pricingcatalog.mdx:
- Line 17: Update the source documentation comment for the price catalog in
`price_catalog.rs` so its first product mention uses “NVIDIA NeMo Fabric”; leave
the generated reference page unchanged and regenerate it with `just docs`.
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Cargo.lockis excluded by!**/*.lockadapter-contract/typescript/src/generated/usage-accounting.tsis excluded by!**/generated/**adapter-contract/typescript/test/generated/usage-accounting-vectors.tsis excluded by!**/generated/**
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adapter-contract/python/src/nemo_fabric_adapter_contract/usage.pyadapter-contract/typescript/src/usage.tsadapter-contract/typescript/test/usage-reducer.test.jscrates/fabric-core/src/config.rscrates/fabric-core/src/price_catalog.rsdocs/reference/api/rust-library-reference/nemo-fabric-core/price-catalog/index.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/price-catalog/struct-pricingcatalog.mdxdocs/sdk/python.mdxtests/adapters/test_deepagents_accounting.pytests/fixtures/usage_accounting/reducer-cases.jsontests/python/test_usage_reducer_parity.py
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- GitHub Check: Preview docs
- GitHub Check: request / require-nvskills-ci / require-nvskills-ci
- GitHub Check: Test (x86_64)
- GitHub Check: Test (Python 3.12, linux-arm64)
- GitHub Check: Test (Python 3.11, linux-amd64)
- GitHub Check: Test (Python 3.12, macos-arm64)
- GitHub Check: Hermes adapter (upstream Relay 0.10, Python 3.14)
- GitHub Check: Test (Python 3.14, linux-arm64)
- GitHub Check: Test (Python 3.13, linux-arm64)
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⚠️ CI failures not shown inline: 6
GitHub Actions: Rust / 0_Test (x86_64).txt: feat: estimate model cost with versioned pricing
Conclusion: failure
##[group]Run bail() {
�[36;1mbail() {�[0m
�[36;1m printf '::error::install-action: %s\n' "$*"�[0m
...
##[group]Run just test-rust
...
failures:
schema::tests::schema_snapshots_match_generated_contract
test result: FAILED. 254 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.13s
##[error]Process completed with exit code 101.
GitHub Actions: Rust / Test (x86_64): feat: estimate model cost with versioned pricing
Conclusion: failure
##[group]Run bail() {
�[36;1mbail() {�[0m
�[36;1m printf '::error::install-action: %s\n' "$*"�[0m
GitHub Actions: Rust / Test (x86_64): feat: estimate model cost with versioned pricing
Conclusion: failure
are configured but not executable by this NeMo Fabric build.")}}, "type": String("object")}, "CapabilityRoute": Object {"description": String("One capability execution assignment.\n\nRoutes apply to executable tool, skill, and MCP capabilities. Adapter-translated\nscalar configuration is validated separately against [`AdapterConfigSupport`]."), "properties": Object {"kind": Object {"$ref": String("#/$defs/CapabilityKind"), "description": String("Capability kind.")}, "name": Object {"description": String("Capability name."), "type": String("string")}, "reason": Object {"description": String("Human-readable reason for the selected route."), "type": String("string")}, "target": Object {"$ref": String("#/$defs/CapabilityTarget"), "description": String("Component responsible for executing the capability.")}}, "required": Array [String("kind"), String("name"), String("target"), String("reason")], "type": String("object")}, "CapabilityTarget": Object {"description": String("Component responsible for executing a configured capability.\n\nThis target describes execution ownership, not network routing."), "oneOf": Array [Object {"const": String("harness_native"), "description": String("The selected adapter maps and executes the capability through its harness."), "type": String("string")}, Object {"const": String("fabric_managed"), "description": String("NeMo Fabric executes the capability outside the harness-native surface."), "type": String("string")}, Object {"const": String("unsupported"), "description": String("Neither the adapter nor NeMo Fabric can execute the configured capability."), "type": String("string")}]}, "CapabilityTargetPlan": Object {"description": String("Capabilities routed to one target."), "properties": Object {"mcp_servers": Object {"additionalProperties": Object {"$ref": String("#/$defs/McpServerPlan")}, "description": String("MCP servers for this target."), "type": String("object")}, "skill_paths": Object {"description": String("Resolved skill pat...
GitHub Actions: Rust / 1_Test (arm64).txt: feat: estimate model cost with versioned pricing
Conclusion: failure
##[group]Run bail() {
�[36;1mbail() {�[0m
�[36;1m printf '::error::install-action: %s\n' "$*"�[0m
...
##[group]Run just test-rust
...
failures:
schema::tests::schema_snapshots_match_generated_contract
test result: FAILED. 254 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.12s
##[error]Process completed with exit code 101.
GitHub Actions: Rust / Test (arm64): feat: estimate model cost with versioned pricing
Conclusion: failure
##[group]Run bail() {
�[36;1mbail() {�[0m
�[36;1m printf '::error::install-action: %s\n' "$*"�[0m
GitHub Actions: Rust / Test (arm64): feat: estimate model cost with versioned pricing
Conclusion: failure
are configured but not executable by this NeMo Fabric build.")}}, "type": String("object")}, "CapabilityRoute": Object {"description": String("One capability execution assignment.\n\nRoutes apply to executable tool, skill, and MCP capabilities. Adapter-translated\nscalar configuration is validated separately against [`AdapterConfigSupport`]."), "properties": Object {"kind": Object {"$ref": String("#/$defs/CapabilityKind"), "description": String("Capability kind.")}, "name": Object {"description": String("Capability name."), "type": String("string")}, "reason": Object {"description": String("Human-readable reason for the selected route."), "type": String("string")}, "target": Object {"$ref": String("#/$defs/CapabilityTarget"), "description": String("Component responsible for executing the capability.")}}, "required": Array [String("kind"), String("name"), String("target"), String("reason")], "type": String("object")}, "CapabilityTarget": Object {"description": String("Component responsible for executing a configured capability.\n\nThis target describes execution ownership, not network routing."), "oneOf": Array [Object {"const": String("harness_native"), "description": String("The selected adapter maps and executes the capability through its harness."), "type": String("string")}, Object {"const": String("fabric_managed"), "description": String("NeMo Fabric executes the capability outside the harness-native surface."), "type": String("string")}, Object {"const": String("unsupported"), "description": String("Neither the adapter nor NeMo Fabric can execute the configured capability."), "type": String("string")}]}, "CapabilityTargetPlan": Object {"description": String("Capabilities routed to one target."), "properties": Object {"mcp_servers": Object {"additionalProperties": Object {"$ref": String("#/$defs/McpServerPlan")}, "description": String("MCP servers for this target."), "type": String("object")}, "skill_paths": Object {"description": String("Resolved skill pat...
🧰 Additional context used
📚 Code guidelines: 3
.agents/skills/review-doc-style/SKILL.md — configured
.agents/skills/contribute-docs/SKILL.md — configured
.agents/skills/prepare-pr/SKILL.md — configured
📓 Path-based instructions: 9
Review the Rust core for runtime lifecycle correctness, handle validation, capability routing accuracy, schema stability, and error semantics.
⚙️ CodeRabbit configuration file
Files:
crates/fabric-core/src/config.rscrates/fabric-core/src/price_catalog.rs
Review documentation for technical accuracy against the current API, command correctness, and consistency with generated schemas.
⚙️ CodeRabbit configuration file
Files:
docs/reference/api/rust-library-reference/nemo-fabric-core/price-catalog/struct-pricingcatalog.mdxdocs/sdk/python.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/price-catalog/index.mdx
Enforce the product name in user-facing prose: use "NVIDIA NeMo Fabric" on first use and "NeMo Fabric" thereafter.
⚙️ CodeRabbit configuration file
Files:
docs/reference/api/rust-library-reference/nemo-fabric-core/price-catalog/struct-pricingcatalog.mdxdocs/sdk/python.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/price-catalog/index.mdx
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/python/test_usage_reducer_parity.pytests/fixtures/usage_accounting/reducer-cases.jsontests/adapters/test_deepagents_accounting.py
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/price-catalog/struct-pricingcatalog.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/price-catalog/index.mdx
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/price-catalog/struct-pricingcatalog.mdxdocs/sdk/python.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/price-catalog/index.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/price-catalog/struct-pricingcatalog.mdxdocs/sdk/python.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/price-catalog/index.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/price-catalog/struct-pricingcatalog.mdxdocs/sdk/python.mdxdocs/reference/api/rust-library-reference/nemo-fabric-core/price-catalog/index.mdx
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/config.rs
🧠 Learnings: 3
📓 Common learnings
Learnt from: CR
Repo: NVIDIA/NeMo-Fabric PR: 0
File: .agents/skills/prepare-pr/SKILL.md:0-0
Timestamp: 2026-10-20T16:09:41.287Z
Learning: Applies to crates/fabric-core/src/adapter_contract.rs : Source excerpt:
# Prepare A PR For NeMo Fabric
## Checklist
- [ ] `crates/fabric-core` changes ran both the Rust and Python suites
📚 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/price-catalog/struct-pricingcatalog.mdx
📚 Learning: 2026-10-20T16:11:43.359Z
Learnt from: CR
Repo: NVIDIA/NeMo-Fabric PR: 0
File: CONTRIBUTING.md:0-0
Timestamp: 2026-10-20T16:11:43.359Z
Learning: Source excerpt:
# Contributing to NVIDIA NeMo Fabric
## SPDX License Headers
All source files must include an SPDX license header. Use the appropriate
comment syntax for the file type.
Applied to files:
adapter-contract/python/src/nemo_fabric_adapter_contract/usage.pycrates/fabric-core/src/price_catalog.rs
🪛 ast-grep (0.45.3)
tests/python/test_usage_reducer_parity.py
[error] 81-87: 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] 83-83: 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] 539-544: 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] 620-620: 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] 837-837: Do not make http calls without encryption
Context: "http://api.openai.com/v1"
Note: [CWE-319] Cleartext Transmission of Sensitive Information.
(requests-http)
🔇 Additional comments: 11
tests/python/test_usage_reducer_parity.py: 2
73-74: Parity test skips silently when the TypeScript build is missing.CI can pass without comparing the Python and TypeScript reducers. A stale
dist/usage.jscan also give a false pass or a false failure. Fail instead of skip when theCIenvironment variable is set. Thesubprocess.runstatic-analysis hint is a false positive: the command is a fixed constant and the fixture data goes only to stdin.
1-72: LGTM!Also applies to: 75-169
adapter-contract/python/src/nemo_fabric_adapter_contract/usage.py: 1
1-238: LGTM!adapter-contract/typescript/src/usage.ts: 1
1-193: LGTM!adapter-contract/typescript/test/usage-reducer.test.js: 1
1-60: LGTM!crates/fabric-core/src/config.rs: 1
4076-4078: LGTM!Also applies to: 4378-4381
tests/fixtures/usage_accounting/reducer-cases.json: 1
1-487: LGTM!crates/fabric-core/src/price_catalog.rs: 1
1-1130: LGTM!docs/reference/api/rust-library-reference/nemo-fabric-core/price-catalog/index.mdx: 1
1-34: LGTM!docs/sdk/python.mdx: 1
1181-1181: LGTM!Also applies to: 1218-1271
tests/adapters/test_deepagents_accounting.py: 1
1-879: LGTM!
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 15:03
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 17:05
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>
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Signed-off-by: mnajafian-nv <mnajafian@nvidia.com>
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Overview
Many harnesses do not report provider cost, and their own estimates can use different price tables. Token counts alone do not tell users which rates produced a cost comparison.
Estimate model cost centrally from normalized usage and a versioned price catalog. Keep the estimate separate from provider-reported cost and retain the rates and catalog identity used to calculate it.
Dependencies: #442 supplies normalized usage and the complete/observed accounting contract. The diff against
mainincludes unmerged prerequisites.Details
Use the bundled catalog or
PricingConfig(catalog_path=...). Planning freezes an explicit catalog's contents. Each estimate retains the catalog fingerprint, selected integer rates, source and price date. Provider-qualified model keys take precedence over model-only suffixes; the first matching entry for a candidate wins.Bundled prices require an established native provider/model route, including inherited child endpoints. API compatibility alone does not establish billing identity. Ambiguous aliases, conflicting routes, missing counts or overflow withhold affected estimates rather than inventing a price.
Keep request-level evidence for price tiers selected by request size. Nonzero Anthropic cache writes require evidence of the applicable expiry tariff; zero writes do not.
For OpenShell, the host applies its frozen explicit catalog without sending the host file path into task planning. Without an override, it retains validated native task estimates. Adapter inspection does not require the execution host's catalog file to remain available.
Use the NeMo Relay version-1 catalog format without a Relay runtime dependency. Reuse the locked
sha2package for catalog fingerprints; no locked package versions change. The catalog adds a rate bound for exact arithmetic. Estimates describe catalog-based cost, not invoices.Validation
Passed
just test-rust, Rust formatting,just no_uv=true build-python,pre-commit run --all-filesand the focusedtests/python/test_model_usage.pymodule. The exhaustive-model regressions also run in the pricing integration-test module.The full Python suite was not run locally; full-suite result pending.
The TypeScript adapter checks remain blocked by the shared dependency audit tracked in #484.
Regression tests cover provider and model selection, custom routes, catalog fingerprints, rate validation, tiered pricing and cache-write tariffs. OpenShell cases check that host catalog contents are frozen without passing the host file path into the task.
Where should the reviewer start?
Start with lookup and validation in
crates/fabric-core/src/price_catalog.rs, thenpricing.rs. Review provider/child-route and OpenShell cases incrates/fabric-core/tests/model_usage.rs.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.