whetstone_DSL/sprint212_plan.md

Sprint 212 Plan: False-Green Equivalence Guard

Goal

Eliminate matrix-level false-green candidates by requiring equivalence-safe evidence between A/B and production outcomes.

Steps

• Step 2099: Add A/B vs production equivalence comparator for compile/test outcome classes.
• Step 2100: Block production green when comparator detects unresolved contradiction.
• Step 2101: Emit false_green_equivalence_mismatch diagnostics packet.
• Step 2102: Add benchmark summary contradiction counters by language/category.
• Step 2103: Add Sprint212IntegrationSummary.h.