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SIL/PL Calculator: Deterministic S×E×P → PL (a-e) → SIL (1-3) mapping Cobot Patterns (HP059-HP065): Human-robot collision, afterrun, misprogramming Press Patterns split into separate file (500-line guardrail) 5 new components (C136-C140), 5 new tags, 18 keyword entries Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>