Roadmap: N.3 row added to shipped table; sub-phase block updated from
ahead-estimate to shipped summary. Document header date bumped.
Plan: docs/superpowers/plans/2026-05-08-phase-n3-texture-decode-via-wb.md
captures the audit + per-format substitution strategy + A8 isAdditive
divergence resolution that drove this phase.
No ISSUES.md update — visual verification at Holtburg is the remaining
gate; if the A8 non-additive change produces a visible delta on entity
textures, an issue gets filed there.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>