🐛 修复收款流水继续认领预填与付款申请预结算引用提交

部分认领打开时预填历史关联结算单，可认领上限按公告未认领与收款金额取小；付款申请提交前清理误存正式结算单引用。

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

src/views/payment/receipt-flow-form.vue

@@ -252,10 +252,11 @@ export default {
       );
     },
     claimableAmount() {
-      return Math.max(
-        Number(this.form.unclaimedAmount || 0) - Number(this.form.claimedAmount || 0),
-        0
-      );
+      const unclaimed = Number(this.form.unclaimedAmount || 0);
+      const receipt = Number(this.form.receiptAmount || 0);
+      const ceiling =
+        unclaimed > 0 && receipt > 0 ? Math.min(unclaimed, receipt) : unclaimed || receipt;
+      return Math.max(ceiling - Number(this.form.claimedAmount || 0), 0);
     },
   },
   created() {
@@ -274,14 +275,21 @@ export default {
       }
       const data = this.unwrapData(await api.getDetail(this.flowId));
       const userInfo = this.$store.getters.userInfo || {};
+      // 部分认领继续认领：预填本流水历史关联且仍有剩余可认领金额的结算单
+      const relatedSettlements = (data?.relatedSettlements || []).map(item => ({
+        ...item,
+        formalSettlementId: item.id,
+        settlementId: item.id,
+        allocatedReceiptAmount: 0,
+      }));
       this.form = {
         ...emptyForm(),
         ...data,
         claimerName: userInfo.realName || userInfo.userName || data.claimerName || '',
         claimerDeptName: userInfo.deptName || userInfo.dept_name || data.claimerDeptName || '',
         claimDate: this.$dayjs().format('YYYY-MM-DD'),
-        settlementIds: [],
-        settlements: [],
+        settlementIds: relatedSettlements.map(item => item.formalSettlementId),
+        settlements: relatedSettlements,
         attachments: [],
       };
     },
@@ -347,7 +355,7 @@ export default {
         return;
       }
       if (this.allocatedTotal > this.claimableAmount + 0.001) {
-        this.$message.warning('累计认领金额不能超过公告未认领金额（剩余可认领金额）');
+        this.$message.warning('累计认领金额不能超过剩余可认领金额');
         return;
       }
       for (const row of this.form.settlements)