diff --git a/doc/nacos/third-party-api.yaml b/doc/nacos/third-party-api.yaml
index 49834717..96c4fa23 100644
--- a/doc/nacos/third-party-api.yaml
+++ b/doc/nacos/third-party-api.yaml
@@ -73,3 +73,13 @@ thirdParty:
       # single-flight 分布式锁租约秒数，须大于最坏一轮耗时（逐认领人远程查公告+逐条推送），
       # 进程异常退出时锁在租约到期后自动释放
       lockLeaseSeconds: ${BFI_RECEIPT_CLAIM_PUSH_LOCK_LEASE_SECONDS:1800}
+    # 金蝶全票池发票定时同步（A801-1 窗口拉取+镜像 upsert，选票统一查本地）
+    invoiceReceipt:
+      # 同步任务开关，默认关闭（上线先手动 POST /invoice-receipt/sync-invoice-pool 跑一次全窗口铺底）
+      syncEnabled: ${BFI_INVOICE_RECEIPT_SYNC_ENABLED:false}
+      # 调度 cron，默认每30分钟
+      cron: ${BFI_INVOICE_RECEIPT_CRON:0 */30 * * * ?}
+      # 增量窗口天数（按票池更新时间滚动）
+      incrementDays: ${BFI_INVOICE_RECEIPT_INCREMENT_DAYS:30}
+      # single-flight 分布式锁租约秒数，须大于最坏一轮耗时；进程异常退出时锁在租约到期后自动释放
+      lockLeaseSeconds: ${BFI_INVOICE_RECEIPT_LOCK_LEASE_SECONDS:1800}
diff --git a/doc/sql/transport/blade_kingdee_invoice_pool_available_20261005.sql b/doc/sql/transport/blade_kingdee_invoice_pool_available_20261005.sql
new file mode 100644
index 00000000..98a36137
--- /dev/null
+++ b/doc/sql/transport/blade_kingdee_invoice_pool_available_20261005.sql
@@ -0,0 +1,46 @@
+-- 金蝶票池选票回切镜像读：镜像表新增可用过滤列 + 认领过滤索引
+--   available_amount  剩余可用金额（A801-1 availableAmount，金蝶可用税额口径，选票本地过滤 >0）
+--   amount_use_status 金额使用状态（A801-1 amountUseStatus，'0' 未使用可选 / '2' 全部使用）
+-- 由定时同步（InvoiceReceiptKingdeeSyncTask）/ 手动同步端点 / 票号回源 / 收票保存重查 统一按 tenant_id + invoice_no upsert 回填；
+-- 存量存根行两列为 NULL，不参与选票（可用过滤为 NULL 排除），随增量窗口同步自然回填
+-- 认领过滤 EXISTS 子查询补 (tenant_id, invoice_no) 索引，避免统一查询全表扫
+
+-- 以下结构升级支持重复执行
+SET @ddl_sql = (
+  SELECT IF(COUNT(*) = 0,
+    'ALTER TABLE `blade_kingdee_invoice_pool` ADD COLUMN `available_amount` decimal(18,2) DEFAULT NULL COMMENT ''剩余可用金额（A801-1 availableAmount，金蝶可用税额口径）'' AFTER `source_updated_time`',
+    'SELECT 1')
+  FROM information_schema.COLUMNS
+  WHERE TABLE_SCHEMA = DATABASE()
+    AND TABLE_NAME = 'blade_kingdee_invoice_pool'
+    AND COLUMN_NAME = 'available_amount'
+);
+PREPARE ddl_stmt FROM @ddl_sql;
+EXECUTE ddl_stmt;
+DEALLOCATE PREPARE ddl_stmt;
+
+SET @ddl_sql = (
+  SELECT IF(COUNT(*) = 0,
+    'ALTER TABLE `blade_kingdee_invoice_pool` ADD COLUMN `amount_use_status` varchar(8) COLLATE utf8mb4_general_ci DEFAULT NULL COMMENT ''金额使用状态（0 未使用 / 2 全部使用）'' AFTER `available_amount`',
+    'SELECT 1')
+  FROM information_schema.COLUMNS
+  WHERE TABLE_SCHEMA = DATABASE()
+    AND TABLE_NAME = 'blade_kingdee_invoice_pool'
+    AND COLUMN_NAME = 'amount_use_status'
+);
+PREPARE ddl_stmt FROM @ddl_sql;
+EXECUTE ddl_stmt;
+DEALLOCATE PREPARE ddl_stmt;
+
+SET @idx_sql = (
+  SELECT IF(COUNT(*) = 0,
+    'ALTER TABLE `blade_formal_settlement_invoice` ADD INDEX `idx_settlement_invoice_no` (`tenant_id`, `invoice_no`)',
+    'SELECT 1')
+  FROM information_schema.STATISTICS
+  WHERE TABLE_SCHEMA = DATABASE()
+    AND TABLE_NAME = 'blade_formal_settlement_invoice'
+    AND INDEX_NAME = 'idx_settlement_invoice_no'
+);
+PREPARE idx_stmt FROM @idx_sql;
+EXECUTE idx_stmt;
+DEALLOCATE PREPARE idx_stmt;