fix(worker): 不满额拼单母单显示待抢单，满额后才按份额状态推进

apps/backend/src/repositories/worker-platform/work-order-query-repo.ts

@@ -99,16 +99,23 @@ const TIMEOUT_COUNT_CACHE_TTL_MS = 5_000
 const TIMEOUT_COUNT_CACHE_MAX_ENTRIES = 256
 const timeoutCountCache = new Map<string, TimeoutCountCacheEntry>()
 
-/** 后台按母工单拼单参与情况计算业务状态，open 只代表大厅生命周期。 */
+/**
+ * 后台按母工单拼单参与情况计算业务状态，open 只代表大厅生命周期。
+ *
+ * 有份额回到大厅（有效份数 < 总份数）时必须先显示「待抢单」：空位还在，
+ * 母单就还没到按份额状态推进的时候。满额后才按份额状态收敛：
+ *   - 仍有 joined 份额 → in_progress（代练中）
+ *   - 无 joined 份额   → pending_acceptance（待验收）
+ */
 function adminOperationalStatusExpression(alias = 'wo', shareSummaryAlias = '') {
   if (shareSummaryAlias) {
     return `CASE
       WHEN ${alias}.status = 'open'
         AND ${alias}.sharing_enabled IS TRUE
-        AND COALESCE(${shareSummaryAlias}.active_share_quantity, 0) > 0
       THEN CASE
-        WHEN COALESCE(${shareSummaryAlias}.active_share_quantity, 0) >= ${alias}.sharing_total_quantity
-          AND COALESCE(${shareSummaryAlias}.pending_share_count, 0) = 0
+        WHEN COALESCE(${shareSummaryAlias}.active_share_quantity, 0) < ${alias}.sharing_total_quantity
+        THEN 'open'
+        WHEN COALESCE(${shareSummaryAlias}.pending_share_count, 0) = 0
         THEN 'pending_acceptance'
         ELSE 'in_progress'
       END
@@ -116,13 +123,16 @@ function adminOperationalStatusExpression(alias = 'wo', shareSummaryAlias = '')
     END`
   }
 
+  const activeShareQuantitySql = `COALESCE((SELECT SUM(wos.quantity) FROM work_order_shares wos WHERE wos.work_order_id = ${alias}.id AND wos.status != 'cancelled'), 0)`
+  const pendingShareCountSql = `COALESCE((SELECT COUNT(*) FROM work_order_shares wos WHERE wos.work_order_id = ${alias}.id AND wos.status = 'joined'), 0)`
+
   return `CASE
     WHEN ${alias}.status = 'open'
       AND ${alias}.sharing_enabled IS TRUE
-      AND COALESCE((SELECT SUM(wos.quantity) FROM work_order_shares wos WHERE wos.work_order_id = ${alias}.id AND wos.status != 'cancelled'), 0) > 0
     THEN CASE
-      WHEN COALESCE((SELECT SUM(wos.quantity) FROM work_order_shares wos WHERE wos.work_order_id = ${alias}.id AND wos.status != 'cancelled'), 0) >= ${alias}.sharing_total_quantity
-        AND COALESCE((SELECT COUNT(*) FROM work_order_shares wos WHERE wos.work_order_id = ${alias}.id AND wos.status = 'joined'), 0) = 0
+      WHEN ${activeShareQuantitySql} < ${alias}.sharing_total_quantity
+      THEN 'open'
+      WHEN ${pendingShareCountSql} = 0
       THEN 'pending_acceptance'
       ELSE 'in_progress'
     END

apps/backend/src/repositories/worker-platform/work-order-settlement-repo.ts

@@ -822,7 +822,7 @@ export async function acceptWorkOrderShareAndSettle(input: {
  * 后台撤销单个拼单份额：退还该打手押金、释放这一份的占用。
  *
  * 份额取消后空出的份数必须回到接单大厅，所以这里用统一口径重算母单状态：
- * 还有其它有效份额 → open（后台按份额推导为代练中）；一份不剩 → open（待抢单）。
+ * 存在空位 → open（后台显示待抢单）；一份不剩 → open（同样待抢单）。
  * 重算时保留原 published_at / hall_queued_at，空出的份额沿用原大厅队列位置。
  */
 export async function cancelWorkOrderShare(input: {

apps/backend/src/repositories/worker-platform/work-order-share-repo.ts

@@ -626,9 +626,10 @@ export async function submitWorkOrderShareAcceptance(input: {
 /**
  * 按份额集合推导母单拼单状态（唯一口径，禁止各调用点各自 UPDATE work_orders.status）。
  *
- *   allocated >= total && joined == 0 && submitted > 0 → pending_acceptance
- *   allocated <  total 或 joined > 0                    → open
- *   allocated == 0（全部取消）                          → open（重新可参与）
+ *   allocated >= total && joined == 0 && submitted > 0 → pending_acceptance（待验收）
+ *   allocated <  total                                 → open（后台显示待抢单：空位还在）
+ *   allocated >= total && joined > 0                   → open（后台显示代练中：还有份额在做）
+ *   allocated == 0（全部取消）                          → open（待抢单，重新可参与）
  *   母单 accepted / cancelled                          → 不动
  *
  * 返回更新后的母单行（供调用方回给前端）。