[anthropic] allow caching of tool results (#18028)

llama-index-integrations/llms/llama-index-llms-anthropic/llama_index/llms/anthropic/utils.py

@@ -154,6 +154,7 @@ def messages_to_anthropic_messages(
                 tool_use_id=message.additional_kwargs["tool_call_id"],
                 type="tool_result",
                 content=[TextBlockParam(text=message.content, type="text")],
+                cache_control=message.additional_kwargs.get("cache_control"),
             )
             anth_message = MessageParam(
                 role=MessageRole.USER.value,

llama-index-integrations/llms/llama-index-llms-anthropic/pyproject.toml

@@ -27,7 +27,7 @@ exclude = ["**/BUILD"]
 license = "MIT"
 name = "llama-index-llms-anthropic"
 readme = "README.md"
-version = "0.6.8"
+version = "0.6.9"
 
 [tool.poetry.dependencies]
 python = ">=3.9,<4.0"