Audit and narrow overly broad detection rules with comprehensive test coverage#635

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Copilot wants to merge 8 commits intomainfrom

copilot/audit-default-rules

Commits on Feb 14, 2026

Initial plan
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Phase 1: Fix critical performance issues in rules

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Phase 2: Improve pattern precision for authentication and RSA

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Phase 3: Improve serialization and device detection patterns

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Address code review feedback: simplify patterns and improve consistency

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Add must-match and must-not-match test cases to improved rules

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Fix test cases to validate correctly against rule patterns

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Fix schema validation: capitalize severity, type, confidence, and scope values

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