Expand PPBR compatibility fixtures

docs/modernization/debt.md

@@ -292,11 +292,11 @@ agent or engineer to remove them without reconstructing context from chat.
   children; toolbar settings, cloud browser, and other remaining retained
   dialog families still stay open under the same debt until they move to the
   same lifetime model.
-- 2026-06-15: `DEBT-0049` was narrowed again. `pp_assets_brush_package_tests`
+- 2026-06-16: `DEBT-0049` was narrowed again. `pp_assets_brush_package_tests`
   now names the currently accepted legacy PPBR version matrix explicitly:
-  canonical `0.1`, tolerated `0.2`, tolerated `1.1`, and rejected `1.2`. The
-  live parser still preserves the legacy tolerance until broader compatibility
-  fixtures prove strict canonical enforcement is safe.
+  legacy major-zero cases, legacy minor-one cases, and rejected `1.2`. The
+  live parser still preserves the legacy tolerance until a stricter supported
+  version matrix is proven safe.
 - 2026-06-15: `DEBT-0063` was narrowed again. Sidebar stroke/color/layer/grid
   popups, file/about/layer menu popups in `src/app_layout.cpp`, quick
   brush/color popup+ticker overlays in `src/legacy_quick_ui_services.cpp`,

docs/modernization/roadmap.md

@@ -1509,7 +1509,9 @@ legacy-owned.
 The live PPBR import/export path consumes those helpers, while legacy
 Serializer/Image payload reading, stroke preview generation, preset storage,
 and the historical permissive version check remain tracked under `DEBT-0047`
-and `DEBT-0049`.
+and `DEBT-0049`. The compatibility test fixture now spells out the tolerated
+legacy matrix more directly, but the parser still keeps the permissive rule
+until a stricter supported-version policy is proven safe.
 ABR and PPBR import image target planning for brush tips and patterns also now
 uses `pp_assets::brush_package`, so the legacy preset panel no longer owns the
 `data/brushes`, `data/brushes/thumbs`, `data/patterns`, and