feat(code): trust user-declared endpoints for cold-cache policies - #5462
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…#5524) Draft documentation for two `deepagents-code` features: - [langchain-ai/deepagents#5439](langchain-ai/deepagents#5439) — warn before expensive cold-cache turns - [langchain-ai/deepagents#5462](langchain-ai/deepagents#5462) — trust user-declared endpoints for cold-cache policies Generated with AI assistance (Deep Agents Code).
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> [!CAUTION] > Merging this PR will automatically publish to **PyPI** and create a **GitHub release**. For the full release process, see [`.github/RELEASING.md`](https://github.com/langchain-ai/deepagents/blob/main/.github/RELEASING.md). --- _Release notes preview: keep this section in sync with the package `CHANGELOG.md`. Publish reads the merged CHANGELOG via `release.yml`, not this PR description — keep them aligned anyway so the PR stays an accurate historical record for reviewers and anyone returning later._ --- ## [0.1.57](deepagents-code==0.1.56...deepagents-code==0.1.57) (2026-08-18) ### Features - Added warnings before expensive cold-cache turns and trust user-declared endpoints for cold-cache policies ([#5439](#5439), [#5462](#5462)). - Made the chat input resizable by dragging its top border ([#5524](#5524)). - Added a `multi_select` question type to `ask_user` ([#5097](#5097)). - Added support for ACP approval modes ([#5394](#5394)). - Added `DeepSeek-V4-Pro-0813` to the model picker ([#5512](#5512)). - Show conversation turns alongside message counts ([#5571](#5571)). - Include `TERM_PROGRAM` in the resume hint ([#5548](#5548)). ### Bug Fixes - Report total context after `/offload` ([#5488](#5488)). - Fixed transcript and thread restoration issues, including hydration lag, scrolling resumed threads to the bottom, and hiding empty previous-thread hints ([#5479](#5479), [#5543](#5543), [#5552](#5552)). - Fixed Auto-mode approval handling by binding “yes” to the paired `ask_user` question and avoiding duplicate Auto denial notices ([#5038](#5038), [#5501](#5501)). - Improved reload behavior by keeping the chat input responsive during `/reload`, reporting MCP server changes, and avoiding plugin reload prompt flashes or startup hints ([#5529](#5529), [#5504](#5504), [#5500](#5500), [#5502](#5502)). - Improved dependency update UI by preserving editable fields and hiding dependency details after updates ([#5521](#5521), [#5519](#5519)). - Fixed chat UI polish issues, including detached spacer mount anchors, the unfocused input cursor, and relative timestamp toggle display ([#5516](#5516), [#5258](#5258), [#5503](#5503)). - Refresh the splash version after updates ([#5520](#5520)). _End release notes preview._ --- > [!NOTE] > A **community contributors** list and a **Special thanks** section (crediting the users who filed the issues this release's PRs closed) are appended to the GitHub release notes automatically at publish time (see [Release Pipeline](https://github.com/langchain-ai/deepagents/blob/main/.github/RELEASING.md#release-pipeline), step 3). --------- Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com> Co-authored-by: langchain-oss-automated-triage[bot] <248757908+langchain-oss-automated-triage[bot]@users.noreply.github.com>
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Depends on #5439
Docs
Some users don't talk to model providers directly — they go through a gateway or corporate proxy (for example, LangSmith's gateway, or a company-internal relay). The cold-cache warning from #5439 stays silent for all of them, because it only trusts the provider's official API address. This PR adds a setting to say "my endpoint plays by the provider's rules," turning the warnings back on:
One entry covers every provider routed through that endpoint — no need to repeat it per provider.
Why trust is per-endpoint, not global. The warning's dollar estimates are only accurate if the thing sitting between you and the provider passes your cache settings through untouched and keeps cached data for as long as the provider documents. A proxy that quietly drops those settings would make the warning's numbers fiction. So instead of one blanket "trust everything" switch, you name the specific endpoints you've verified, and everything else stays silent.
One case stays silent even on a trusted endpoint. LangSmith's gateway can translate between API formats — for example, you can send an OpenAI-shaped request and have it answered by an Anthropic model. During that translation, your cache settings get rewritten to a generic 5-minute cache (or dropped entirely), so the provider's documented cache behavior no longer applies and any estimate would be a guess. When dcode can see a request will take one of these translated routes (the model name carries a cross-provider prefix like
openai:anthropic/claude-...), it skips the warning rather than show numbers built on wrong assumptions. Requests that stay in their own format — the normal case — are forwarded by the gateway byte-for-byte (verified against the gateway source), so their warnings remain exactly as accurate as going direct.Test plan
notsmith.langchain.com,smith.langchain.com.evil.example), and malformed config tolerance.