feat: add PromptCachingHook for automatic Bedrock prompt caching mana…#1509
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moritalous wants to merge 3 commits intostrands-agents:mainfrom
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feat: add PromptCachingHook for automatic Bedrock prompt caching mana…#1509moritalous wants to merge 3 commits intostrands-agents:mainfrom
moritalous wants to merge 3 commits intostrands-agents:mainfrom
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…gement - Implement automatic cache point management for Amazon Bedrock - Add cache points before model invocation (BeforeModelCallEvent) - Remove cache points after invocation (AfterModelCallEvent) - Include comprehensive error handling and logging - Add 16 unit tests with full coverage Closes strands-agents#1508
- Remove redundant error handling for Message.content (guaranteed by TypedDict) - Remove corresponding unit tests for impossible edge cases - Change CACHE_POINT_ITEM type from Any to ContentBlock for type safety
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feat: add PromptCachingHook for automatic Bedrock prompt caching management
Closes #1508
Description
This PR implements
PromptCachingHook, an automatic prompt caching manager for AWS Bedrock models. The hook simplifies the use of Bedrock's prompt caching feature by automatically managing cache points during model invocations.Related Issues
Closes #1508
Documentation PR
Documentation has not been updated yet. Documentation updates will be considered when this change is merged and published.
Type of Change
New feature
Testing
How have you tested the change? Verify that the changes do not break functionality or introduce warnings in consuming repositories: agents-docs, agents-tools, agents-cli
hatch run prepareChecklist
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