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f72a156e13
The Anthropic adapter places three cache_control breakpoints (system, last tool, last user message), but `addCacheControlToMessages` only attached the third when the last block of the last user message was a non-empty text block. After turn 1 of any agentic conversation, the last user message is a tool_result, so the breakpoint was silently dropped and the cacheable region collapsed back to system+tools. Per-turn history was never cached. Anthropic's docs explicitly list tool_result as a cacheable block type (https://docs.claude.com/en/docs/build-with-claude/prompt-caching). Accepting both text and tool_result keeps the breakpoint moving forward as the conversation grows. |
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| .. | ||
| channels | ||
| cli | ||
| core | ||
| sdk-java | ||
| sdk-python | ||
| sdk-typescript | ||
| vscode-ide-companion | ||
| web-templates | ||
| webui | ||
| zed-extension | ||