feat: Add deterministic guardrails filtering action#364
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Please bump the package version (and update it in uipath-agents).
Also, please update the PR description to reflect the latest state of the changes.
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| if not msgs: | ||
| return {} | ||
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| # Find the AIMessage with tool calls (might not be the last message at POST_EXECUTION) |
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Why do we have logic for POST execution for input filtering?
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It was an obsolete comment. I update it!
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Filter Action Implementation - PR Summary
Overview
Implements filter action for deterministic tool guardrails, allowing selective removal of input/output fields based on guardrail rules.
Key Features
✅ Execution Stage Awareness
✅ Python Dict String Handling
ast.literal_eval()fallback for tool outputs stored as dict string representations✅ Type Safety & Code Quality
BaseGuardrailannotationstest_utils.py→test_guardrails_utils.py)GuardrailSelectortypesImplementation Details
Modified Files
filter_action.py- Core filtering logic with stage-aware field filteringutils.py- Enhanced data extraction with dict literal parsingguardrails_factory.py- Type safety improvementsguardrails_subgraph.py- Bug fix for POST_EXECUTION node routingTest Coverage
Validation
Tested against 7 agent configurations covering: