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id: 70c1b3b6-ec6e-4382-b628-8f579dac2a6a
author: null
created: 2026-09-10T08:43:27.496611752Z
---
Merged PR 489fd4ad (m6/code-cols): files+README side by side >=1100px, stacked below. CI pass. ROUND COMPLETE. Rubric verified.