ui: extract wizard upstream module

TASKS.md

@@ -2,14 +2,14 @@
 
 ## Current
 
-### `feat/frontend-performance-polish`
+### `feat/frontend-wizard-modularization`
 
 Status: in_progress
 
 DoD:
-- repeated derived views are cached or precomputed instead of recalculated per render path
-- UI interaction handlers avoid unnecessary full rerenders for small state changes
-- performance changes keep current page behavior and pass existing smoke checks
+- `wizard.js` is split by responsibility into smaller files with stable ownership boundaries
+- extracted modules keep existing wizard behavior and asset build flow
+- modularization changes pass UI build and targeted wizard smoke checks
 
 ## Next
 
@@ -27,6 +27,7 @@ DoD:
 - `feat/frontend-wizard-modularization`
 - `feat/frontend-css-state-cleanup`
 - `feat/frontend-performance-polish`
+- `feat/frontend-wizard-modularization`
 - `feat/frontend-observability-and-testability`
 - `feat/id-display-support`
 - `feat/postgres-pool-config`