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

kit/patterns/theme-vapor/README.md

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+# Vapor Theme Module (Active Design Layer)
+
+Status: active visual baseline for reusable UI primitives.
+
+This module defines the shared Vapor visual language used by the demo and intended host-project
+integration:
+
+- baseline tokens and surface treatment
+- reusable component geometry (buttons, segmented controls, table chrome)
+- shared icon sprite for table-management and operator workflows
+
+Contents:
+
+- `static/vapor.css` - active stylesheet baseline
+- `templates/icon_sprite.html` - active icon sprite
+- `notes.md` - usage boundaries and integration rules