fix(ai-anthropic): pass system prompts as TextBlockParam[] to support prompt caching#393

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imsherrill wants to merge 2 commits intoTanStack:mainfrom

imsherrill:fix/anthropic-system-prompt-caching

Commits on Mar 21, 2026

fix(ai-anthropic): pass system prompts as TextBlockParam[] to support prompt caching
imsherrill
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test(ai-anthropic): add tests for system prompt TextBlockParam[] conversion
imsherrill
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