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Adds shared LlmRunSettings under providers/inference to map OpenResponses generation/loop-limit fields to Pydantic AI ModelSettings and UsageLimits. Includes unit tests and README updates. Not wired into handlers yet.
Note: This is not the only PR related to this issue.
If it is a core feature, I have added thorough tests.
Testing
uv run make format
uv run make verify
uv run make test-unit — tests/unit/providers/inference/test_llm_settings.py
Summary by CodeRabbit
New Features
Added support for configuring AI response generation options, reasoning and text preferences, and limits on tool calls and inference steps.
Responses-style request settings can now be carried into inference configuration, including reasoning effort and summary preferences. Unset options are omitted, while explicitly disabled options are preserved.
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Inline comments:
Review comments at @src/providers/inference/llm_settings.py:
- Around line 39-41: Update the UsageLimits conversion for max_output_tokens so
it sets the response-wide output token limit and causes limits to be created
when that field is the only configured limit. Preserve max_tokens as the
per-request generation cap and retain the existing loop-limit behavior.
Walkthrough
The inference provider adds LlmRunSettings to map Responses request fields into model settings and usage limits. Unit tests cover field extraction, serialization, and limit behavior.
Changes
LLM run settings
Layer / File(s)
Summary
Settings model, conversion, and validation src/providers/inference/llm_settings.py, tests/unit/providers/inference/test_llm_settings.py, src/providers/inference/README.md, tests/unit/providers/inference/README.md
Adds request-setting extraction, model-settings serialization, and usage-limit conversion. Unit tests cover mapped fields, omitted values, explicit False, and limit defaults. Directory READMEs list the new module and tests.
The new settings resolver is not yet used by any handler, so merging it changes no runtime behavior today. Before it is wired in, the response-wide output-token limit should also be mapped to the run-wide usage limit.
Pre-merge checks: 7
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Explanation
Description Check
Check skipped - CodeRabbit’s high-level summary is enabled.
Title check
The title clearly identifies the implementation of the LLM settings resolver, which matches the main change.
Docstring Coverage
Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff with cyclomatic complexity of at least 2. Documentat…
Linked Issues check
Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check
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Performance And Algorithmic Complexity
No meaningful performance regression is introduced. The new resolver processes a fixed set of 10 fields, uses one bounded Pydantic serialization call, and has no loops over request items, API calls, l…
Security And Secret Handling
The changed code adds a settings mapper and unit tests only. LlmRunSettings copies request values into typed fields and serializes them into ModelSettings/UsageLimits; it does not log, hardcode,…
Full details: Docstring Coverage
Explanation
Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff with cyclomatic complexity of at least 2. Documentation-only edits and deletions within surviving functions are included; unchanged diff context and fully deleted functions are excluded. Analyzed 3 functions across 2 files. (2 skipped: 2 unsupported.)
Full details: Performance And Algorithmic Complexity
Explanation
No meaningful performance regression is introduced. The new resolver processes a fixed set of 10 fields, uses one bounded Pydantic serialization call, and has no loops over request items, API calls, list operations, unbounded state, or cache growth. The PR does not wire the resolver into handlers.
Full details: Security And Secret Handling
Explanation
The changed code adds a settings mapper and unit tests only. LlmRunSettings copies request values into typed fields and serializes them into ModelSettings/UsageLimits; it does not log, hardcode, expose, or execute secret-bearing values. No API endpoint, Kubernetes Secret, SQL/command/path operation, or response/logging path changes in the reviewed diff.
Finishing Touches
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Source excerpt: **Required**: Use pytest for all unit and integration tests **Forbidden**: Do not use unittest - pytest is the standard for this project Source excerpt: **Coverage**: Unit tests require 60% coverage, integration 10%
Source excerpt: **Required**: Use pytest for all unit and integration tests Source excerpt: **Forbidden**: Do not use unittest - pytest is the standard for this project Source excerpt: **Coverage**: Unit tests require 60% coverage, integrat...
Low-risk PR adding 2 new source files (llm_settings resolver + unit tests) and 2 README updates. Small scope (4 files, 296 lines), no protected paths, no security-sensitive paths, no CI or dependency changes.
[missing-test]tests/unit/providers/inference/test_llm_settings.py — No test covers the end-to-end path where effort="none" produces thinking=False which then flows through to_model_settings() emitting {"thinking": False}. The existing test_from_responses_maps_reasoning_none_to_thinking_false test only verifies the attribute is False but never calls to_model_settings() to confirm it appears in the serialized output (since False is not None, it will survive exclude_none=True).
Remediation: Add a test that calls from_responses_request with effort='none' and then asserts to_model_settings() includes {"thinking": False}.
[test-inadequate]tests/unit/providers/inference/test_llm_settings.py:109 — The test test_to_usage_limits_preserves_default_request_limit hardcodes 50 as the expected default value of UsageLimits.request_limit. This couples the test to an implementation detail of pydantic-ai's UsageLimits class.
Remediation: Assert against UsageLimits().request_limit instead of the magic number 50.
Info
[pattern-inconsistency]src/providers/inference/llm_settings.py:14 — Module-level type aliases ReasoningSummary and TextVerbosity are defined in llm_settings.py, but the established pattern in this package is to define shared literals and type aliases in types.py. If these aliases will be consumed by other modules, consider moving them.
[design-direction]src/providers/inference/llm_settings.py — Placing LlmRunSettings under providers/inference/ is a reasonable fit: it bridges provider-level request parameters to the Pydantic AI run configuration. The module follows project conventions. Not yet wired into any handler, consistent with the stated incremental rollout.
Labels: New feature PR adding inference provider settings with tests
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[low] test-inadequate
The test test_to_usage_limits_preserves_default_request_limit hardcodes 50 as the expected default value of UsageLimits.request_limit, coupling the test to an implementation detail of pydantic-ai.
Suggested fix: Assert against UsageLimits().request_limit instead of the magic number 50.
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enhancement
Description
Adds shared
LlmRunSettingsunderproviders/inferenceto map OpenResponses generation/loop-limit fields to Pydantic AIModelSettingsandUsageLimits. Includes unit tests and README updates. Not wired into handlers yet.Note: This is not the only PR related to this issue.
Type of change
pyproject.toml+uv.lock]requirements.*.txtfor Konflux]Tools used to create PR
Related Tickets & Documents
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Testing
uv run make formatuv run make verifyuv run make test-unit—tests/unit/providers/inference/test_llm_settings.pySummary by CodeRabbit