feat(settlement): 合伙人账单生成后直接同步并支持打款凭证

去掉总部发送与合伙人确认，财务打款后上传凭证，合伙人即可查看状态。

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

packages/shared-types/src/settlement.ts

@@ -146,9 +146,11 @@ export type PartnerBillStatus =
 
 export const PARTNER_BILL_STATUS_LABELS: Record<PartnerBillStatus, string> = {
   PENDING_REVIEW: '待审核',
+  /** 历史状态：新账单不再进入 */
   AWAITING_CONFIRM: '待合伙人确认',
   UNPAID: '未打款',
   PAID: '已打款',
+  /** 历史状态：新账单不再进入 */
   REJECTED: '已驳回',
 };
 
@@ -184,6 +186,8 @@ export interface PartnerBillDto {
   confirmedAt?: string | null;
   sentAt?: string | null;
   paidAt?: string | null;
+  paymentRef?: string | null;
+  paymentProofUrls?: string[];
   rejectReason?: string | null;
 }