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Haft Introduces Evidence Decay for Engineering Decisions — Trust Scores Degrade as Assumptions Age
Haft (1,302 stars) is a Go-based engineering decisions engine where decisions are live artifacts with computed trust scores (R_eff) that degrade as evidence ages. Features include expiry dates that trigger reviews, rollback plans with conditions, and full-text search across decisions in FPF E.9 format. Ships as both a desktop app (visual governance dashboard) and an MCP plugin for Claude Code, Cursor, Gemini CLI, and Codex. The core insight: architectural decisions aren't permanent — they're falsifiable contracts with a shelf life.
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