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feat(guard): screen Claude Agent SDK tool results before the model reads them - #271

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arcjet-rei wants to merge 11 commits into

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rei/eng-1536-guard-tool-result-rules

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feat(guard): screen Claude Agent SDK tool results before the model reads them#271
arcjet-rei wants to merge 11 commits into
mainfrom
rei/eng-1536-guard-tool-result-rules

Commits on Oct 14, 2026
- feat(guard): screen a Claude Agent SDK tool's result with guard_tool(result_rules=)
  
  arcjet-rei
  and
  claude
  committed
  04bb7de
- test(guard): a result_rules callable that returns no bound rules fails closed
  
  arcjet-rei
  and
  claude
  committed
  41a6f49
- docs(guard): note that an unscreenable tool result is denied by default
  
  arcjet-rei
  and
  claude
  committed
  08bf85e
- docs: plan guard_hooks(tool_results=)
  
  arcjet-rei
  and
  claude
  committed
  850582f
- feat(guard): the shapes a denied Claude Agent SDK tool result is replaced with
  
  arcjet-rei
  and
  claude
  committed
  3cce66b
- feat(guard): screen a tool's result on PostToolUse and keep a denied one from the model
  
  arcjet-rei
  and
  claude
  committed
  cd5f8af
- feat(guard): guard_hooks(tool_results=) screens every tool's result on PostToolUse
  
  arcjet-rei
  and
  claude
  committed
  fb10281
- test(guard): drive tool_results through the bundled Claude CLI against a scripted Messages API
  
  arcjet-rei
  and
  claude
  committed
  2e27ba9
- ci: run the Claude Agent SDK integration tests with the extra installed
  
  arcjet-rei
  and
  claude
  committed
  c035ab4
- docs(guard): describe guard_hooks(tool_results=)
  
  arcjet-rei
  and
  claude
  committed
  dbf0212
- docs: remove the guard_hooks(tool_results=) plan
  
  arcjet-rei
  and
  claude
  committed
  80e249c