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gr2m
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Thanks for the quick fix! |
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felixarntz
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Feb 20, 2026
…ntext editing (#12547) ## Background Anthropic context management support (`clear_tool_uses`, `clear_thinking`) was added in #10540 (with a related fix in #12154), and compaction support (`compact`) was added in #12384. ## Summary With the complexities of handling these features correctly (including how `clear_tool_uses` and `clear_thinking` can be combined), I think it makes sense to add some more tests and also examples around this. - Adds fixture based tests for context editing (tool uses, thinking, and both combined), each for `generateText` and `streamText` - Adds examples for thinking, compaction, and thinking and tool uses combined (there already was an example for tool uses alone, which I renamed for consistency) - Expands docs, adding "Context Editing" grouping section for both `clear_thinking` and `clear_tool_uses` ## Manual Verification All examples were run against the live Anthropic API to verify correct behavior, and the fixture data was captured from those real API responses. ## Checklist - [x] Tests have been added / updated (for bug fixes / features) - [x] Documentation has been added / updated (for bug fixes / features) - [ ] A _patch_ changeset for relevant packages has been added (for bug fixes / features - run `pnpm changeset` in the project root) - [x] I have reviewed this pull request (self-review) ## Future Work N/A ## Related Issues N/A
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background
the
contextManagementfield inproviderMetadatawas alwaysnullwhen usingstreamTextwith the Anthropic provider, even though the API correctly returnscontext_managementin the response.the issue was twofold:
context_managementinside thedeltaobjectvalue.delta.context_managementbut Anthropic's API returns
context_managementat the root level of themessage_deltaevent (sibling todeltaandusage):{ "type": "message_delta", "delta": {"stop_reason": "end_turn"}, "usage": {...}, "context_management": {"applied_edits": [...]} }see Anthropic's context management docs
summary
context_managementin the streaming schema from insidedeltato the root level ofmessage_deltavalue.context_managementinstead ofvalue.delta.context_managementverification
before fix
after fix
checklist
pnpm changesetin root)related issues
fixes #12148