Prepare reusable Vapor theme bundle and canonical design map for cross-project integration

kit/patterns/theme-aqua-legacy/README.md

@@ -1,17 +1,18 @@
-# Aqua Theme Module (Canonical Design Layer)
+# Aqua Theme Module (Legacy Archive Layer)
 
-Status: canonical Aqua design layer for reusable UI primitives.
+Status: legacy archive/reference layer (not the active demo/scaffold baseline).
 
-This directory defines the shared Aqua visual language for the design code:
+This directory preserves the Aqua visual language archive for the design code:
 
 - global visual tokens and component surfaces
 - reusable control geometry (buttons, segmented controls, table chrome)
 - icon rendering baseline (stroke style + sprite integration)
 
-Pattern modules consume this theme layer and then define behavior-specific contracts.
+Active pattern contracts should target the current baseline and may reference this module only
+for migration/comparison purposes.
 
 Contents:
 
-- `demo-aqua-freeze.css` — canonical Aqua stylesheet baseline used by demo/scaffold references
+- `demo-aqua-freeze.css` — frozen Aqua stylesheet snapshot
 - `templates/icon_sprite.html` — canonical icon sprite for reusable action semantics
 - `notes.md` — scope and usage policy for this theme module