fix(theme): align reference layouts and restore passing contracts

Align homepage and category discovery, modern widgets, admin controls, quotes, and comments with the reference theme. Remove superseded paths and add rendering and behavior coverage. Update stale asset and finance contracts; all 760 Node tests and 139 widget assertions pass.

tests/widget-system/financial-flow-contract.test.cjs

@@ -82,7 +82,7 @@ test('ledger history carries no financial flow coupling', () => {
 test('user withdrawal history uses one paginated ten-item endpoint', () => {
   const controller = read('src/Payment/CommissionLedger.php')
   const renderer = read('inc/helpers/user-center-renderers/credits-wallet.php')
-  const script = read('assets/js/credits.js')
+  const script = read('assets/js/credits-withdraw-history.js')
   const styles = read('assets/css/routes/user-center/credits.css')
 
   assert.match(controller, /\$withdrawal_args\['per_page'\]\['default'\]\s*=\s*10/)