feat: support anthropic claude cache control config. issues 897 #1068
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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## master #1068 +/- ##
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Coverage 99.59% 99.59%
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Files 34 34
Lines 2206 2206
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Hits 2197 2197
Misses 6 6
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Describe the change
This PR adds support for Claude Code’s prompt cache capability by introducing new request/response fields in the client.
The added fields allow developers to leverage caching in Claude’s code model prompts, which helps reduce cost and latency when reusing prompt context.
Describe your solution
Added new struct fields in the request/response models to represent prompt cache parameters.
Updated client methods to correctly marshal/unmarshal these new fields.
Changes are backward compatible — no existing APIs are broken.
No external dependencies introduced.
Additional context
This PR addresses the need for developers to use Claude Code’s caching ability directly in go-openai.
Related branch: sashabaranov/issues_897
Issue: #897