docs(adaptive): document logical response cache keys - #819
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Restructures the Response Cache page's key section into per-strategy subsections and documents logical: tool definitions key on a structural name/parameter fingerprint, so reworded or reordered tools still hit and only a changed tool interface misses. Signed-off-by: Zhongxuan Wang <daniewang@nvidia.com>
WalkthroughThe response-cache documentation now defines ChangesResponse cache documentation
Estimated code review effort: 1 (Trivial) | ~3 minutes Merge Risk: 🟡 Moderate · up to The change currently documents a 🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
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Inline comments:
In `@docs/configure-plugins/adaptive/response-cache.mdx`:
- Around line 371-387: Remove the undocumented runtime strategy `logical` from
the response-cache documentation, including its description, configuration
example, and usage guidance; keep the documented options aligned with the
currently supported `exact_request` strategy and validation behavior.
- Around line 380-383: Insert a complete lead-in sentence immediately before the
TOML block introducing the response-cache configuration and stating that
key_strategy should be set to logical.
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332-340: LGTM!
Address CodeRabbit review on NVIDIA#818. - Replace the stale "exact-match" wording on `AdaptiveConfig.response_cache`, `ResponseCacheConfig`, `KeyOutcome::Key`, and the `response_cache` module doc, and add a TOML `key_strategy = "logical"` example to the `ResponseCacheConfig` doc comment. - `ResponseCacheConfig.to_dict()` in Python no longer raises `AttributeError` when `key_strategy` is a plain wire string. Enum members serialize through `.value`; strings pass through unchanged so unsupported values reach native validation with the `response_cache.unsupported_key_strategy` diagnostic, matching the Go string alias and the Node.js runtime. - Add Python regression coverage for the string and unsupported-string paths. The user-facing docs under `docs/configure-plugins/adaptive/response-cache.mdx` stay deferred to NVIDIA#819, which is open for exactly that. Signed-off-by: Zhongxuan (Daniel) Wang <52872691+ZhongxuanWang@users.noreply.github.com>
Address CodeRabbit review on NVIDIA#818. - `ResponseCacheConfig.to_dict()` in Python no longer raises `AttributeError` when `key_strategy` is a plain wire string. Enum members serialize through `.value`; strings pass through unchanged so unsupported values reach native validation with the `response_cache.unsupported_key_strategy` diagnostic, matching the Go string alias and the Node.js runtime. - Drop the stale "exact-match" wording from the two `response_cache` doc comments in `crates/adaptive/src/config.rs`. User-facing docs stay deferred to NVIDIA#819. Signed-off-by: Zhongxuan (Daniel) Wang <52872691+ZhongxuanWang@users.noreply.github.com>
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/ok to test 8ad496b |
#### Overview Adds a logical key strategy for LLM response caching so description-only edits and tool-definition reordering do not invalidate otherwise compatible cache entries. - [x] I confirm this contribution is my own work, or I have the right to submit it under this project's license. - [x] I searched existing issues and open pull requests, and this does not duplicate existing work. #### Details - Adds `key_strategy = "logical"`, which recursively removes string-valued tool-description fields and canonically sorts the request's tool definitions before keying. Tool names, parameter schemas, constraints, settings, and every non-tool request field remain key-significant. - Keeps `logical` and `exact_request` entries in separate keyspaces. - Exposes typed response-cache key strategy values in Rust, Python, Node.js, and Go, while preserving the existing string wire format and field-specific diagnostics for unknown values. - Adds unit and end-to-end coverage for description changes, tool ordering, interface changes, built-in tools, parameter enums, and strategy partitioning. - Documentation is tracked separately in #819. - Breaking changes: the typed Rust, Python, and Go `ResponseCacheConfig.key_strategy` helpers now use a strategy type instead of a plain string; the JSON/TOML wire values remain unchanged. The Node.js TypeScript surface narrows the field from `string` to the supported strategy union. - Validation: - `cargo fmt --all -- --check` - `cargo test -p nemo-relay-adaptive` - `just test-rust` - `cargo clippy --workspace --all-targets -- -D warnings` - `just test-python` (686 passed) - `just test-node` (391 passed) - `just test-go` - `uv run pre-commit run --all-files` - `uv run pre-commit run --files <changed code files>` #### Where should the reviewer start? Start with `build_cache_key` and `structural_tool_schema` in `crates/adaptive/src/response_cache/key.rs`, then review the logical-key cases in `crates/adaptive/tests/unit/response_cache/key_tests.rs`. #### Related Issues: (use one of the action keywords Closes / Fixes / Resolves / Relates to) - Relates to #597 - Relates to #598 - Relates to #819 ## Summary by CodeRabbit * **New Features** * Added a logical response-cache key strategy that reuses cached responses when tool descriptions or ordering change without affecting tool behavior. * Added typed key-strategy options across Rust, Node.js, Go, and Python integrations. * Added configuration support for `exact_request` and `logical`, with exact-request caching as the default. * **Bug Fixes** * Unsupported strategies now produce clearer validation errors listing supported options. * **Tests** * Expanded coverage for serialization, configuration, schema handling, and logical cache-key behavior. Authors: - Zhongxuan (Daniel) Wang (https://github.com/zhongxuanwang-nv) - Will Killian (https://github.com/willkill07) - Zhongxuan (Daniel) Wang (https://github.com/ZhongxuanWang) Approvers: - Will Killian (https://github.com/willkill07) URL: #818
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2 participants
Overview
Documents the logical LLM response-cache key strategy proposed in #818 as a separate docs-only change.
Details
exact_requestandlogicalstrategy sections.logicalignores string-valued tool descriptions and tool-definition ordering while keeping tool interfaces and all other request fields key-significant.just docsjust docs-linkcheckuv run pre-commit run --files docs/configure-plugins/adaptive/response-cache.mdxWhere should the reviewer start?
Start with the
Key Strategiessection indocs/configure-plugins/adaptive/response-cache.mdx.Related Issues: (use one of the action keywords Closes / Fixes / Resolves / Relates to)
Summary by CodeRabbit
exact_request(default) andlogical.