fix(worker-platform): 修复售后欠款抵扣导致验收失败，并支持余额偿还

有待还欠款时结算写入 settled_at 发生 timestamptz/text 类型错误会整单 500；顺带支持充值/解冻自动偿还与后台手动偿还。

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/frontend/src/utils/admin-display.ts

@@ -53,6 +53,7 @@ export function formatAuditAction(action: string) {
     work_order_pending_deposit_deducted: '押金扣除',
     after_sales_case_created: '售后问题单创建',
     after_sales_case_resolved: '售后问题单处置',
+    after_sales_case_debt_repaid: '售后欠款手动偿还',
     worker_level_saved: '接单等级保存',
     worker_level_deleted: '接单等级删除',
     work_category_saved: '接单分类保存',

apps/frontend/src/utils/admin-options.ts

@@ -80,6 +80,7 @@ export const adminAuditActionOptions = [
   { label: '押金扣除', value: 'work_order_pending_deposit_deducted' },
   { label: '售后问题单创建', value: 'after_sales_case_created' },
   { label: '售后问题单处置', value: 'after_sales_case_resolved' },
+  { label: '售后欠款手动偿还', value: 'after_sales_case_debt_repaid' },
   { label: '接单等级保存', value: 'worker_level_saved' },
   { label: '接单等级删除', value: 'worker_level_deleted' },
   { label: '接单分类保存', value: 'work_category_saved' },