fix: 修复顺运宝采集任务孤儿状态 (#165)

admin/repository/mysql_db.go

@@ -19,7 +19,7 @@ import (
 	"cmautobuy/admin/spec"
 )
 
-const mysqlSchemaVersion = 11
+const mysqlSchemaVersion = 12
 
 // OpenMySQL 打开生产 MySQL 8 数据库。错误信息绝不包含完整 DSN 或密码。
 func OpenMySQL(cfg config.DatabaseConfig) (*sql.DB, error) {
@@ -555,10 +555,102 @@ func MigrateMySQL(db *sql.DB) error {
 		if _, err := db.Exec(`INSERT INTO schema_migrations (version, applied_at) VALUES (?, ?)`, 11, time.Now().UTC().Format(time.RFC3339Nano)); err != nil {
 			return fmt.Errorf("记录 MySQL schema v11 失败: %w", err)
 		}
+		current = 11
+	}
+	if current < 12 {
+		if err := migrateMySQLV12(db); err != nil {
+			return fmt.Errorf("执行 MySQL schema v12 失败: %w", err)
+		}
+		if err := checkMySQLV12Shape(db); err != nil {
+			return fmt.Errorf("MySQL schema v12 自检失败，未记录版本: %w", err)
+		}
+		if _, err := db.Exec(`INSERT INTO schema_migrations (version, applied_at) VALUES (?, ?)`, 12, time.Now().UTC().Format(time.RFC3339Nano)); err != nil {
+			return fmt.Errorf("记录 MySQL schema v12 失败: %w", err)
+		}
 	}
 	return CheckMySQLSchema(db)
 }
 
+// migrateMySQLV12 保存采集任务的顺运宝来源，并回收没有有效任务的孤儿采集中状态。
+// CREATE TABLE IF NOT EXISTS 和带条件的 UPDATE 都可重放，适合 MySQL DDL 隐式提交后的重启恢复。
+func migrateMySQLV12(db *sql.DB) error {
+	if _, err := db.Exec(`CREATE TABLE IF NOT EXISTS task_syb_sources (
+		task_id VARCHAR(191) COLLATE utf8mb4_bin NOT NULL,
+		syb_id VARCHAR(191) COLLATE utf8mb4_bin NOT NULL,
+		created_at VARCHAR(35) NOT NULL,
+		PRIMARY KEY (task_id, syb_id),
+		KEY idx_task_syb_sources_syb (syb_id, task_id),
+		CONSTRAINT fk_task_syb_sources_task FOREIGN KEY (task_id)
+			REFERENCES tasks(task_id) ON DELETE CASCADE,
+		CONSTRAINT fk_task_syb_sources_syb FOREIGN KEY (syb_id)
+			REFERENCES syb_orders(syb_id) ON DELETE CASCADE
+	) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci`); err != nil {
+		return fmt.Errorf("建立采集任务顺运宝来源表失败: %w", err)
+	}
+	now := model.NowISO()
+	if _, err := db.Exec(`UPDATE pdd_products AS pp
+		SET collect_status='pending', collect_msg=NULL, updated_at=?
+		WHERE pp.collect_status='collecting' AND pp.deleted_at IS NULL
+		  AND NOT EXISTS (
+			SELECT 1 FROM tasks t
+			 WHERE t.task_type='collect' AND t.pdd_goods_id=pp.goods_id
+			   AND t.status IN ('pending','assigned','claimed')
+		  )`, now); err != nil {
+		return fmt.Errorf("回收无有效任务的 PDD 采集中状态失败: %w", err)
+	}
+	return nil
+}
+
+func checkMySQLV12Shape(db *sql.DB) error {
+	exists, err := mysqlTableExists(db, "task_syb_sources")
+	if err != nil || !exists {
+		return fmt.Errorf("采集任务顺运宝来源表缺失")
+	}
+	for _, column := range []struct {
+		name      string
+		length    int64
+		collation string
+	}{
+		{"task_id", 191, "utf8mb4_bin"},
+		{"syb_id", 191, "utf8mb4_bin"},
+		{"created_at", 35, "utf8mb4_0900_ai_ci"},
+	} {
+		if err := checkMySQLVarcharColumn(db, "task_syb_sources", column.name, column.length, false, column.collation, ""); err != nil {
+			return err
+		}
+	}
+	for _, index := range []struct{ name, columns string }{
+		{"PRIMARY", "task_id,syb_id"},
+		{"idx_task_syb_sources_syb", "syb_id,task_id"},
+	} {
+		var columns string
+		if err := db.QueryRow(`SELECT GROUP_CONCAT(column_name ORDER BY seq_in_index)
+			FROM information_schema.statistics
+			WHERE table_schema=DATABASE() AND table_name='task_syb_sources' AND index_name=?`, index.name).Scan(&columns); err != nil || columns != index.columns {
+			return fmt.Errorf("采集任务顺运宝来源索引 %s 不正确", index.name)
+		}
+	}
+	for _, foreignKey := range []struct{ name, column, table, target string }{
+		{"fk_task_syb_sources_task", "task_id", "tasks", "task_id"},
+		{"fk_task_syb_sources_syb", "syb_id", "syb_orders", "syb_id"},
+	} {
+		var column, table, target string
+		err := db.QueryRow(`SELECT column_name,referenced_table_name,referenced_column_name
+			FROM information_schema.key_column_usage
+			WHERE constraint_schema=DATABASE() AND table_name='task_syb_sources' AND constraint_name=?`, foreignKey.name).
+			Scan(&column, &table, &target)
+		if err != nil || column != foreignKey.column || table != foreignKey.table || target != foreignKey.target {
+			return fmt.Errorf("采集任务顺运宝来源约束 %s 不正确", foreignKey.name)
+		}
+		var deleteRule string
+		if err := db.QueryRow(`SELECT delete_rule FROM information_schema.referential_constraints
+			WHERE constraint_schema=DATABASE() AND table_name='task_syb_sources' AND constraint_name=?`, foreignKey.name).Scan(&deleteRule); err != nil || deleteRule != "CASCADE" {
+			return fmt.Errorf("采集任务顺运宝来源约束 %s 删除规则不正确", foreignKey.name)
+		}
+	}
+	return nil
+}
+
 // migrateMySQLV11 增加顺运宝店铺列，并从保留的原始 JSON 回填历史数据。
 // DDL 和 UPDATE 都可重放：中断后再次启动只补缺列和仍为空的记录。
 func migrateMySQLV11(db *sql.DB) error {
@@ -1167,6 +1259,7 @@ func CheckMySQLSchema(db *sql.DB) error {
 		"users", "web_sessions", "client_user_assignments", "syb_sync_runs", "admin_initialization_lock",
 		"spec_mapping_decisions",
 		"catalog_import_runs",
+		"task_syb_sources",
 	}
 	if err := checkMySQLSchema(db, mysqlRequiredTables); err != nil {
 		return err
@@ -1189,7 +1282,16 @@ func CheckMySQLSchema(db *sql.DB) error {
 	if err := checkMySQLV8Shape(db); err != nil {
 		return err
 	}
-	return checkMySQLV9Shape(db)
+	if err := checkMySQLV9Shape(db); err != nil {
+		return err
+	}
+	if err := checkMySQLV10Shape(db); err != nil {
+		return err
+	}
+	if err := checkMySQLV11Shape(db); err != nil {
+		return err
+	}
+	return checkMySQLV12Shape(db)
 }
 
 func checkMySQLV9Shape(db *sql.DB) error {

admin/repository/mysql_db_integration_test.go

@@ -585,6 +585,71 @@ func TestMySQLMigrate_V11回填顺运宝店铺且可重放(t *testing.T) {
 	}
 }
 
+func TestMySQLMigrate_V11升级V12并修复孤儿采集中状态(t *testing.T) {
+	db := openMySQLMigrationTestDB(t)
+	defer db.Close()
+	cleanMySQLTestSchema(t, db)
+	defer cleanMySQLTestSchema(t, db)
+	if err := MigrateMySQL(db); err != nil {
+		t.Fatal(err)
+	}
+	// 模拟已在 v11 的生产库：去掉 v12 版本及其附加表，保留全部 v1-v11 结构。
+	mustExec(t, db, `DELETE FROM schema_migrations WHERE version=12`)
+	mustExec(t, db, `DROP TABLE task_syb_sources`)
+	now := model.NowISO()
+	mustExec(t, db, `INSERT INTO pdd_products(goods_id,url,collect_status,created_at,updated_at) VALUES
+		('ORPHAN','https://mobile.yangkeduo.com/goods.html?goods_id=1','collecting',?,?),
+		('ACTIVE','https://mobile.yangkeduo.com/goods.html?goods_id=2','collecting',?,?)`, now, now, now, now)
+	mustExec(t, db, `INSERT INTO tasks(task_id,task_type,status,pdd_goods_url,pdd_goods_id,created_at,updated_at)
+		VALUES('COL-ACTIVE','collect','pending','https://mobile.yangkeduo.com/goods.html?goods_id=2','ACTIVE',?,?)`, now, now)
+
+	if err := MigrateMySQL(db); err != nil {
+		t.Fatalf("v11 升级 v12 失败: %v", err)
+	}
+	if err := MigrateMySQL(db); err != nil {
+		t.Fatalf("v12 重放失败: %v", err)
+	}
+	var orphanStatus, activeStatus string
+	if err := db.QueryRow(`SELECT collect_status FROM pdd_products WHERE goods_id='ORPHAN'`).Scan(&orphanStatus); err != nil {
+		t.Fatal(err)
+	}
+	if err := db.QueryRow(`SELECT collect_status FROM pdd_products WHERE goods_id='ACTIVE'`).Scan(&activeStatus); err != nil {
+		t.Fatal(err)
+	}
+	if orphanStatus != "pending" || activeStatus != "collecting" {
+		t.Fatalf("v12 状态修复错误：orphan=%s active=%s", orphanStatus, activeStatus)
+	}
+	var versionCount int
+	if err := db.QueryRow(`SELECT COUNT(*) FROM schema_migrations WHERE version=12`).Scan(&versionCount); err != nil || versionCount != 1 {
+		t.Fatalf("v12 版本记录错误: count=%d err=%v", versionCount, err)
+	}
+}
+
+func TestMySQLMigrate_V12形状错误不记录版本(t *testing.T) {
+	db := openMySQLMigrationTestDB(t)
+	defer db.Close()
+	cleanMySQLTestSchema(t, db)
+	defer cleanMySQLTestSchema(t, db)
+	if err := MigrateMySQL(db); err != nil {
+		t.Fatal(err)
+	}
+	mustExec(t, db, `DELETE FROM schema_migrations WHERE version=12`)
+	mustExec(t, db, `DROP TABLE task_syb_sources`)
+	mustExec(t, db, `CREATE TABLE task_syb_sources (
+		task_id VARCHAR(191) COLLATE utf8mb4_bin NOT NULL,
+		syb_id VARCHAR(191) COLLATE utf8mb4_bin NOT NULL,
+		created_at VARCHAR(35) NOT NULL,
+		PRIMARY KEY(syb_id,task_id)
+	) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci`)
+	if err := MigrateMySQL(db); err == nil {
+		t.Fatal("错误主键和缺失外键必须阻止 v12")
+	}
+	var versionCount int
+	if err := db.QueryRow(`SELECT COUNT(*) FROM schema_migrations WHERE version=12`).Scan(&versionCount); err != nil || versionCount != 0 {
+		t.Fatalf("v12 自检失败时不得记录版本：count=%d err=%v", versionCount, err)
+	}
+}
+
 func openMySQLMigrationTestDB(t *testing.T) *sql.DB {
 	t.Helper()
 	if os.Getenv("CMAUTOBUY_MYSQL_TEST") != "1" {

admin/repository/pdd.go

@@ -387,7 +387,8 @@ func SetCollectFailed(q Execer, pddGoodsID, msg, artifactRef string) error {
 //
 // 允许发起采集的状态：
 //   - pending / failed —— 没有任务在跑；
-//   - collecting **且已经超时**（`updated_at` 早于 `now - model.CollectStaleAfter`）
+//   - collecting **且已经超时**（`updated_at` 早于 `now - model.CollectStaleAfter`），
+//     或数据库里已经没有有效采集任务；
 //     —— 客户端离线、崩溃或任务被删都会让一个 collecting 卡住不动，
 //     这些是常态不是异常，界面上必须有出口，见 #24。
 //
@@ -414,11 +415,17 @@ func MarkCollecting(q Execer, pddGoodsID string) (bool, error) {
 	staleBefore := now.Add(-model.CollectStaleAfter).UTC().Format(model.TimeLayout)
 
 	res, err := q.Exec(`
-		UPDATE pdd_products
+		UPDATE pdd_products AS pp
 		   SET collect_status = 'collecting', updated_at = ?
-		 WHERE goods_id = ? AND deleted_at IS NULL
+		 WHERE pp.goods_id = ? AND deleted_at IS NULL
 		   AND ( collect_status IN ('pending', 'failed')
-		         OR (collect_status = 'collecting' AND updated_at < ?) )`,
+		         OR (collect_status = 'collecting' AND (
+		               updated_at < ? OR NOT EXISTS (
+		                 SELECT 1 FROM tasks t
+		                  WHERE t.task_type='collect' AND t.pdd_goods_id=pp.goods_id
+		                    AND t.status IN ('pending','assigned','claimed')
+		               )
+		         )) )`,
 		nowISO, pddGoodsID, staleBefore)
 	if err != nil {
 		return false, fmt.Errorf("标记 PDD 商品 %s 采集中失败: %w", pddGoodsID, err)
@@ -442,11 +449,17 @@ func MarkRecollecting(q Execer, pddGoodsID string) (bool, error) {
 	staleBefore := now.Add(-model.CollectStaleAfter).UTC().Format(model.TimeLayout)
 
 	res, err := q.Exec(`
-		UPDATE pdd_products
+		UPDATE pdd_products AS pp
 		   SET collect_status = 'collecting', updated_at = ?
-		 WHERE goods_id = ? AND deleted_at IS NULL
+		 WHERE pp.goods_id = ? AND deleted_at IS NULL
 		   AND ( collect_status IN ('pending', 'failed', 'collected')
-		         OR (collect_status = 'collecting' AND updated_at < ?) )`,
+		         OR (collect_status = 'collecting' AND (
+		               updated_at < ? OR NOT EXISTS (
+		                 SELECT 1 FROM tasks t
+		                  WHERE t.task_type='collect' AND t.pdd_goods_id=pp.goods_id
+		                    AND t.status IN ('pending','assigned','claimed')
+		               )
+		         )) )`,
 		nowISO, pddGoodsID, staleBefore)
 	if err != nil {
 		return false, fmt.Errorf("标记 PDD 商品 %s 重新采集中失败: %w", pddGoodsID, err)

admin/repository/syb.go

@@ -407,6 +407,7 @@ type SybOrderContext struct {
 	MappingOptionKey     string
 	MappingOptions       string
 	HasActiveTask        bool
+	HasActiveCollectTask bool
 }
 
 func scanSybOrderContext(s rowScanner) (SybOrderContext, error) {
@@ -416,13 +417,13 @@ func scanSybOrderContext(s rowScanner) (SybOrderContext, error) {
 	var shopeeExists int
 	var pddGoodsID, pddGoodsURL, collectStatus, collectMsg, skusJSON, pddUpdatedAt sql.NullString
 	var mappingKey, mappingOptions sql.NullString
-	var hasActiveTask int
+	var hasActiveTask, hasActiveCollectTask int
 	err := s.Scan(
 		&c.Order.SybID, &c.Order.OrderNo, &shopName, &title, &productSpec, &specKey, &shopeeGoodsID,
 		&c.Order.Quantity, &priceCent, &imageURL, &c.Order.SybData,
 		&c.Order.CreatedAt, &c.Order.UpdatedAt, &shopeeExists,
 		&pddGoodsID, &pddGoodsURL, &collectStatus, &collectMsg, &skusJSON, &pddUpdatedAt,
-		&mappingKey, &mappingOptions, &hasActiveTask,
+		&mappingKey, &mappingOptions, &hasActiveTask, &hasActiveCollectTask,
 	)
 	c.Order.ShopName = shopName.String
 	c.Order.Title = title.String
@@ -441,6 +442,7 @@ func scanSybOrderContext(s rowScanner) (SybOrderContext, error) {
 	c.MappingOptionKey = mappingKey.String
 	c.MappingOptions = mappingOptions.String
 	c.HasActiveTask = hasActiveTask != 0
+	c.HasActiveCollectTask = hasActiveCollectTask != 0
 	return c, err
 }
 
@@ -456,6 +458,9 @@ func ListSybOrderContexts(q Execer, filter SybOrderFilter, limit, offset int) ([
 		       pp.skus_json, pp.updated_at, sm.pdd_option_key, sm.pdd_options,
 		       EXISTS(SELECT 1 FROM tasks t WHERE t.task_type = 'purchase'
 		               AND t.syb_id = so.syb_id
+		               AND t.status IN ('pending', 'assigned', 'claimed')),
+		       EXISTS(SELECT 1 FROM tasks t WHERE t.task_type = 'collect'
+		               AND t.pdd_goods_id = pp.goods_id
 		               AND t.status IN ('pending', 'assigned', 'claimed'))` +
 		sybOrderContextFrom + where + `
 		 ORDER BY so.updated_at DESC, so.syb_id DESC`
@@ -490,6 +495,9 @@ func GetSybOrderContext(q Execer, sybID string) (*SybOrderContext, error) {
 		       pp.skus_json, pp.updated_at, sm.pdd_option_key, sm.pdd_options,
 		       EXISTS(SELECT 1 FROM tasks t WHERE t.task_type = 'purchase'
 		               AND t.syb_id = so.syb_id
+		               AND t.status IN ('pending', 'assigned', 'claimed')),
+		       EXISTS(SELECT 1 FROM tasks t WHERE t.task_type = 'collect'
+		               AND t.pdd_goods_id = pp.goods_id
 		               AND t.status IN ('pending', 'assigned', 'claimed'))`+
 		sybOrderContextFrom+` WHERE so.syb_id = ?`, sybID))
 	if errors.Is(err, sql.ErrNoRows) {

admin/repository/task.go

@@ -379,8 +379,14 @@ func taskFilterClause(filter TaskFilter) (string, []any) {
 	if kw := strings.TrimSpace(filter.Keyword); kw != "" {
 		pattern := "%" + escapeLike(kw) + "%"
 		clauses = append(clauses,
-			"(t.task_id LIKE ? ESCAPE '!' OR t.order_no LIKE ? ESCAPE '!' OR t.pdd_goods_id LIKE ? ESCAPE '!')")
-		args = append(args, pattern, pattern, pattern)
+			`(t.task_id LIKE ? ESCAPE '!' OR t.order_no LIKE ? ESCAPE '!' OR t.pdd_goods_id LIKE ? ESCAPE '!'
+			  OR EXISTS (
+				SELECT 1 FROM task_syb_sources tss
+				JOIN syb_orders so ON so.syb_id=tss.syb_id
+				WHERE tss.task_id=t.task_id
+				  AND (tss.syb_id LIKE ? ESCAPE '!' OR so.order_no LIKE ? ESCAPE '!')
+			  ))`)
+		args = append(args, pattern, pattern, pattern, pattern, pattern)
 	}
 	if filter.VisibleUserID != "" {
 		clauses = append(clauses, "t.created_by_user_id = ?")
@@ -529,6 +535,59 @@ func DeleteTasksInScope(q Execer, taskIDs []string, visibleUserID string) (int64
 	return res.RowsAffected()
 }
 
+// ListCollectTaskGoodsIDsInScope 在删除前找出受影响的 PDD 商品。
+// 调用方必须和删除使用同一事务、同一可见范围，避免越权数据影响状态回收。
+func ListCollectTaskGoodsIDsInScope(q Execer, taskIDs []string, visibleUserID string) ([]string, error) {
+	if len(taskIDs) == 0 {
+		return nil, nil
+	}
+	placeholders := strings.TrimSuffix(strings.Repeat("?,", len(taskIDs)), ",")
+	args := make([]any, 0, len(taskIDs)+1)
+	for _, id := range taskIDs {
+		args = append(args, id)
+	}
+	where := `task_id IN (` + placeholders + `) AND task_type='collect' AND pdd_goods_id IS NOT NULL`
+	if visibleUserID != "" {
+		where += ` AND created_by_user_id = ?`
+		args = append(args, visibleUserID)
+	}
+	rows, err := q.Query(`SELECT DISTINCT pdd_goods_id FROM tasks WHERE `+where, args...)
+	if err != nil {
+		return nil, fmt.Errorf("查询待删除采集任务的 PDD 商品失败: %w", err)
+	}
+	defer rows.Close()
+	var goodsIDs []string
+	for rows.Next() {
+		var goodsID string
+		if err := rows.Scan(&goodsID); err != nil {
+			return nil, fmt.Errorf("读取待删除采集任务的 PDD 商品失败: %w", err)
+		}
+		goodsIDs = append(goodsIDs, goodsID)
+	}
+	return goodsIDs, rows.Err()
+}
+
+// ResetCollectingIfNoActiveTask 把没有有效采集任务的孤儿状态回收到待采集。
+// 条件判断和更新在一条 SQL 内完成，避免并发建任务时误覆盖 collecting。
+func ResetCollectingIfNoActiveTask(q Execer, goodsID string) (bool, error) {
+	result, err := q.Exec(`UPDATE pdd_products AS pp
+		SET collect_status='pending', collect_msg=NULL, updated_at=?
+		WHERE pp.goods_id=? AND pp.collect_status='collecting'
+		  AND NOT EXISTS (
+			SELECT 1 FROM tasks t
+			 WHERE t.task_type='collect' AND t.pdd_goods_id=pp.goods_id
+			   AND t.status IN ('pending','assigned','claimed')
+		  )`, model.NowISO(), goodsID)
+	if err != nil {
+		return false, fmt.Errorf("回收商品 %s 的孤立采集中状态失败: %w", goodsID, err)
+	}
+	n, err := result.RowsAffected()
+	if err != nil {
+		return false, fmt.Errorf("确认商品 %s 的采集状态回收结果失败: %w", goodsID, err)
+	}
+	return n == 1, nil
+}
+
 // InsertCollectTask 建一条不指定客户端的采集任务。
 // 保留这个入口给蝦皮、顺运宝等现有流程使用，避免它们被 PDD 页的新选项影响。
 func InsertCollectTask(q Execer, taskID, goodsID, goodsURL string) error {
@@ -567,6 +626,31 @@ func InsertCollectTaskForClientAndUser(q Execer, taskID, goodsID, goodsURL, assi
 	return nil
 }
 
+// InsertCollectTaskSybSources 保存一条采集任务对应的全部顺运宝明细来源。
+// 同一个 PDD 商品可能由多条明细共同发起，来源不能压成 tasks 上的单列。
+func InsertCollectTaskSybSources(q Execer, taskID string, sybIDs []string) error {
+	taskID = strings.TrimSpace(taskID)
+	if taskID == "" {
+		return fmt.Errorf("采集任务编号不能为空")
+	}
+	seen := make(map[string]struct{}, len(sybIDs))
+	for _, raw := range sybIDs {
+		sybID := strings.TrimSpace(raw)
+		if sybID == "" {
+			return fmt.Errorf("顺运宝明细编号不能为空")
+		}
+		if _, ok := seen[sybID]; ok {
+			continue
+		}
+		seen[sybID] = struct{}{}
+		if _, err := q.Exec(`INSERT INTO task_syb_sources(task_id,syb_id,created_at)
+			VALUES(?,?,?) ON DUPLICATE KEY UPDATE created_at=created_at`, taskID, sybID, model.NowISO()); err != nil {
+			return fmt.Errorf("保存采集任务 %s 的顺运宝来源 %s 失败: %w", taskID, sybID, err)
+		}
+	}
+	return nil
+}
+
 // HasActivePurchaseTask 判断顺运宝明细是否已有尚未结束的采购任务。
 func HasActivePurchaseTask(q Execer, sybID string) (bool, error) {
 	var count int

admin/service/pdd.go

@@ -576,7 +576,7 @@ func (r CollectTaskResult) Skipped() int {
 // 返回的跳过分类必须显示给操作员。静默跳过的话，
 // 操作员会以为任务建好了，等半天没动静也不知道为什么。
 func CreatePddCollectTasks(db *sql.DB, goodsIDs []string) (CollectTaskResult, error) {
-	return createPddCollectTasks(db, goodsIDs, "", "", "")
+	return createPddCollectTasks(db, goodsIDs, "", "", "", nil)
 }
 
 // CreatePddCollectTasksForUser 为 PDD 批量页面创建可选客户端的采集任务。
@@ -586,7 +586,7 @@ func CreatePddCollectTasksForUser(db *sql.DB, actor *model.User, goodsIDs []stri
 	if err != nil {
 		return CollectTaskResult{}, err
 	}
-	return createPddCollectTasks(db, goodsIDs, strings.TrimSpace(clientID), visibleUserID, actor.UserID)
+	return createPddCollectTasks(db, goodsIDs, strings.TrimSpace(clientID), visibleUserID, actor.UserID, nil)
 }
 
 // RecollectPddProductForUser 为详情页一次明确的重新采集创建单商品任务。
@@ -658,7 +658,8 @@ func RecollectPddProductForUser(db *sql.DB, actor *model.User, goodsID, clientID
 	return result, nil
 }
 
-func createPddCollectTasks(db *sql.DB, goodsIDs []string, clientID, visibleUserID, createdByUserID string) (CollectTaskResult, error) {
+func createPddCollectTasks(db *sql.DB, goodsIDs []string, clientID, visibleUserID, createdByUserID string,
+	sybSourcesByGoodsID map[string][]string) (CollectTaskResult, error) {
 	var result CollectTaskResult
 
 	goodsIDs = dedupe(goodsIDs)
@@ -725,8 +726,12 @@ func createPddCollectTasks(db *sql.DB, goodsIDs []string, clientID, visibleUserI
 			continue
 		}
 
+		taskID := newCollectTaskID()
 		if err := repository.InsertCollectTaskForClientAndUser(
-			tx, newCollectTaskID(), p.GoodsID, p.URL, clientID, createdByUserID); err != nil {
+			tx, taskID, p.GoodsID, p.URL, clientID, createdByUserID); err != nil {
+			return CollectTaskResult{}, err
+		}
+		if err := repository.InsertCollectTaskSybSources(tx, taskID, sybSourcesByGoodsID[p.GoodsID]); err != nil {
 			return CollectTaskResult{}, err
 		}
 		result.Created++

admin/service/pdd_page_test.go

@@ -856,6 +856,23 @@ func TestCreatePddCollectTasks_采集中未超时的跳过并报数(t *testing.T
 	}
 }
 
+func TestCreatePddCollectTasks_采集中但任务已不存在可立即重建(t *testing.T) {
+	db := newTestDB(t)
+	createProduct(t, db, "100000000003")
+	if _, err := db.Exec(`UPDATE pdd_products SET collect_status='collecting',updated_at=? WHERE goods_id=?`,
+		model.NowISO(), "100000000003"); err != nil {
+		t.Fatal(err)
+	}
+
+	result, err := CreatePddCollectTasks(db, []string{"100000000003"})
+	if err != nil {
+		t.Fatalf("孤儿采集中状态重建失败: %v", err)
+	}
+	if result.Created != 1 || result.SkippedCollecting != 0 {
+		t.Fatalf("没有有效任务时应立即重建，实际 %+v", result)
+	}
+}
+
 // 采集失败的可以重新采集，不能一直卡在失败状态。
 func TestCreatePddCollectTasks_失败的可以重新采集(t *testing.T) {
 	db := newTestDB(t)

admin/service/shopee_pdd.go

@@ -143,19 +143,16 @@ func CreateSybPddCollectTask(db *sql.DB, sybID string) (CollectTaskResult, error
 	if context == nil {
 		return CollectTaskResult{}, fmt.Errorf("顺运宝明细不存在")
 	}
-	return CreateShopeePddCollectTask(db, context.Order.ShopeeGoodsID)
+	if context.PddGoodsID == "" {
+		return CollectTaskResult{}, fmt.Errorf("请先关联 PDD 商品")
+	}
+	return createPddCollectTasks(db, []string{context.PddGoodsID}, "", "", "",
+		map[string][]string{context.PddGoodsID: {context.Order.SybID}})
 }
 
 // CreateSybPddCollectTaskForUser 为网页登录入口记录任务创建人。
 func CreateSybPddCollectTaskForUser(db *sql.DB, actor *model.User, sybID string) (CollectTaskResult, error) {
-	context, err := repository.GetSybOrderContext(db, strings.TrimSpace(sybID))
-	if err != nil {
-		return CollectTaskResult{}, err
-	}
-	if context == nil {
-		return CollectTaskResult{}, fmt.Errorf("顺运宝明细不存在")
-	}
-	return CreateShopeePddCollectTaskForUser(db, actor, context.Order.ShopeeGoodsID)
+	return CreateSybPddCollectTasksForUser(db, actor, []string{sybID}, "")
 }
 
 // CreateSybPddCollectTasksForUser 把勾选的顺运宝明细转换成 PDD 商品后批量建采集任务。
@@ -168,6 +165,7 @@ func CreateSybPddCollectTasksForUser(db *sql.DB, actor *model.User, sybIDs []str
 	}
 
 	goodsIDs := make([]string, 0, len(sybIDs))
+	sourcesByGoodsID := make(map[string][]string)
 	for _, sybID := range sybIDs {
 		context, err := repository.GetSybOrderContext(db, sybID)
 		if err != nil {
@@ -177,11 +175,16 @@ func CreateSybPddCollectTasksForUser(db *sql.DB, actor *model.User, sybIDs []str
 			return CollectTaskResult{}, invalidInput("顺运宝明细 %s 不存在，请刷新页面后重新选择", sybID)
 		}
 		stage, _, _, _ := sybStageFor(*context)
-		if stage != SybStagePddPending && stage != SybStagePddFailed {
-			return CollectTaskResult{}, invalidInput("顺运宝明细 %s 已不处于 PDD 待采集或采集失败状态，请刷新页面后重新选择", sybID)
+		if stage != SybStagePddPending && stage != SybStagePddFailed && stage != SybStagePddCollectingStale {
+			return CollectTaskResult{}, invalidInput("顺运宝明细 %s 已不处于 PDD 待采集、采集失败或采集超时状态，请刷新页面后重新选择", sybID)
 		}
 		goodsIDs = append(goodsIDs, context.PddGoodsID)
+		sourcesByGoodsID[context.PddGoodsID] = append(sourcesByGoodsID[context.PddGoodsID], sybID)
 	}
-
-	return CreatePddCollectTasksForUser(db, actor, dedupe(goodsIDs), clientID)
+	visibleUserID, err := taskActorScope(actor)
+	if err != nil {
+		return CollectTaskResult{}, err
+	}
+	return createPddCollectTasks(db, dedupe(goodsIDs), strings.TrimSpace(clientID),
+		visibleUserID, actor.UserID, sourcesByGoodsID)
 }

admin/service/shopee_pdd_test.go

@@ -143,6 +143,42 @@ func TestCreateSybPddCollectTasksForUser_同一PDD商品去重(t *testing.T) {
 	if err := db.QueryRow(`SELECT COUNT(*) FROM tasks WHERE task_type='collect'`).Scan(&taskCount); err != nil || taskCount != 1 {
 		t.Fatalf("同一 PDD 商品应只建一条任务，count=%d err=%v", taskCount, err)
 	}
+	var sourceCount int
+	if err := db.QueryRow(`SELECT COUNT(*) FROM task_syb_sources`).Scan(&sourceCount); err != nil || sourceCount != 2 {
+		t.Fatalf("去重任务应保留两条顺运宝来源，count=%d err=%v", sourceCount, err)
+	}
+	for _, keyword := range []string{"ORDER-SYB-1", "ORDER-SYB-2", "SYB-1", "SYB-2"} {
+		list, err := ListTasksView(db, repository.TaskFilter{Keyword: keyword}, 1)
+		if err != nil || list.Total != 1 || len(list.Rows) != 1 {
+			t.Fatalf("按顺运宝来源 %q 搜索任务失败: total=%d rows=%d err=%v", keyword, list.Total, len(list.Rows), err)
+		}
+	}
+	if _, err := CreateSybPddCollectTasksForUser(db, admin, []string{"SYB-1"}, ""); !IsValidationError(err) {
+		t.Fatalf("未超时且有有效任务时应拒绝重复创建，实际 %v", err)
+	}
+}
+
+func TestCreateSybPddCollectTasksForUser_无任务的采集中状态可恢复(t *testing.T) {
+	db := newTestDB(t)
+	admin, _, _ := insertTaskUsers(t, db)
+	seedShopeeProduct(t, db, "1001", "商品一")
+	if _, err := AssociateShopeePdd(db, "1001", pddURLA, false); err != nil {
+		t.Fatal(err)
+	}
+	seedSybCollectOrder(t, db, "SYB-ORPHAN", "1001")
+	if _, err := db.Exec(`UPDATE pdd_products SET collect_status='collecting',updated_at=? WHERE goods_id=?`,
+		model.NowISO(), "737116531267"); err != nil {
+		t.Fatal(err)
+	}
+
+	result, err := CreateSybPddCollectTasksForUser(db, admin, []string{"SYB-ORPHAN"}, "")
+	if err != nil || result.Created != 1 {
+		t.Fatalf("孤儿采集中状态应能重建任务：result=%+v err=%v", result, err)
+	}
+	var sources int
+	if err := db.QueryRow(`SELECT COUNT(*) FROM task_syb_sources WHERE syb_id='SYB-ORPHAN'`).Scan(&sources); err != nil || sources != 1 {
+		t.Fatalf("重建任务应保存顺运宝来源：count=%d err=%v", sources, err)
+	}
 }
 
 func TestCreateSybPddCollectTasksForUser_不可采集明细整批拒绝(t *testing.T) {

admin/service/syb.go

@@ -954,6 +954,7 @@ const (
 	SybStagePddMissing         = "pdd_missing"
 	SybStagePddPending         = "pdd_pending"
 	SybStagePddCollecting      = "pdd_collecting"
+	SybStagePddCollectingStale = "pdd_collecting_stale"
 	SybStagePddFailed          = "pdd_failed"
 	SybStageMappingPending     = "mapping_pending"
 	SybStagePurchaseReady      = "purchase_ready"
@@ -974,6 +975,7 @@ func SybStageOptions() []SybStageOption {
 		{Value: SybStagePddMissing, Text: "未关联 PDD"},
 		{Value: SybStagePddPending, Text: "PDD 待采集"},
 		{Value: SybStagePddCollecting, Text: "PDD 采集中"},
+		{Value: SybStagePddCollectingStale, Text: "PDD 采集中（超时）"},
 		{Value: SybStagePddFailed, Text: "PDD 采集失败"},
 		{Value: SybStageMappingPending, Text: "规格待匹配"},
 		{Value: SybStagePurchaseReady, Text: "可创建采购任务"},
@@ -1008,6 +1010,8 @@ func sybStageFor(c repository.SybOrderContext) (stage, text, help, action string
 		return SybStagePddMissing, "未关联 PDD", "下一步关联采购商品。", "关联 PDD"
 	case c.PddCollectStatus == string(model.CollectPending):
 		return SybStagePddPending, "PDD 待采集", "已关联 PDD 商品，尚未创建采集任务。", "创建采集任务"
+	case c.PddCollectStatus == string(model.CollectCollecting) && sybCollectingIsStale(c):
+		return SybStagePddCollectingStale, "PDD 采集中（超时）", "采集状态已超时或找不到有效任务，可以重新创建采集任务。", "重新创建采集任务"
 	case c.PddCollectStatus == string(model.CollectCollecting):
 		return SybStagePddCollecting, "PDD 采集中", "客户端正在采集规格和价格，请稍后刷新。", "查看采集状态"
 	case c.PddCollectStatus == string(model.CollectFailed):
@@ -1027,6 +1031,14 @@ func sybStageFor(c repository.SybOrderContext) (stage, text, help, action string
 	}
 }
 
+func sybCollectingIsStale(c repository.SybOrderContext) bool {
+	if !c.HasActiveCollectTask {
+		return true
+	}
+	updatedAt, ok := model.ParseISO(c.PddUpdatedAt)
+	return !ok || time.Since(updatedAt) > model.CollectStaleAfter
+}
+
 // SybListResult 是列表页要的全部数据。
 type SybListResult struct {
 	Rows       []SybOrderView
@@ -1045,7 +1057,8 @@ type SybListResult struct {
 func ListSybOrdersView(db *sql.DB, keyword, shop, stage string, page int) (*SybListResult, error) {
 	shop = strings.TrimSpace(shop)
 	stage = ParseSybStage(stage)
-	if stage == SybStageMappingPending || stage == SybStagePurchaseReady ||
+	if stage == SybStagePddCollecting || stage == SybStagePddCollectingStale ||
+		stage == SybStageMappingPending || stage == SybStagePurchaseReady ||
 		stage == SybStageTaskCreated || stage == SybStagePurchaseBlocked {
 		return listAdvancedSybStage(db, keyword, shop, stage, page)
 	}
@@ -1131,7 +1144,8 @@ func sybOrderViewFor(context repository.SybOrderContext) SybOrderView {
 		Quantity: o.Quantity, ImageURL: o.ImageURL,
 		UpdatedAt: formatLocalTime(o.UpdatedAt)}
 	v.Stage, v.StageText, v.StageHelp, v.ActionText = sybStageFor(context)
-	v.CanCollect = v.Stage == SybStagePddPending || v.Stage == SybStagePddFailed
+	v.CanCollect = v.Stage == SybStagePddPending || v.Stage == SybStagePddFailed ||
+		v.Stage == SybStagePddCollectingStale
 	v.CanPurchase = v.Stage == SybStagePurchaseReady
 	switch {
 	case v.CanCollect:
@@ -1205,9 +1219,10 @@ func GetSybProcessingDetail(db *sql.DB, sybID string) (*SybProcessingDetail, err
 		PddGoodsID: context.PddGoodsID, PddURL: context.PddGoodsURL,
 		CollectStatus: context.PddCollectStatus, CollectMsg: context.PddCollectMsg,
 	}
+	d.Stage, d.StageText, d.StageHelp, _ = sybStageFor(*context)
 	d.CanCollect = context.PddGoodsID != "" &&
-		(context.PddCollectStatus == string(model.CollectPending) ||
-			context.PddCollectStatus == string(model.CollectFailed))
+		(d.Stage == SybStagePddPending || d.Stage == SybStagePddFailed ||
+			d.Stage == SybStagePddCollectingStale)
 	d.HasActiveTask = context.HasActiveTask
 	if context.PddCollectStatus == string(model.CollectCollected) && context.PddSkusJSON != "" {
 		choices, keys, names, parseErr := pddOptionChoices(context.PddSkusJSON)
@@ -1226,7 +1241,6 @@ func GetSybProcessingDetail(db *sql.DB, sybID string) (*SybProcessingDetail, err
 		}
 	}
 	d.ContextVersion = mappingContextVersion(*context)
-	d.Stage, d.StageText, d.StageHelp, _ = sybStageFor(*context)
 	return d, nil
 }
 

admin/service/syb_workflow_test.go

@@ -113,7 +113,15 @@ func TestSybStageFor_全部筛选阶段与逐行推导一致(t *testing.T) {
 		{SybStageSpecMissing, "核对数据", copyWith(func(c *repository.SybOrderContext) { c.Order.SpecKey = "" })},
 		{SybStagePddMissing, "关联 PDD", copyWith(func(c *repository.SybOrderContext) { c.PddGoodsID, c.PddCollectStatus = "", "" })},
 		{SybStagePddPending, "创建采集任务", copyWith(func(c *repository.SybOrderContext) { c.PddCollectStatus = string(model.CollectPending) })},
-		{SybStagePddCollecting, "查看采集状态", copyWith(func(c *repository.SybOrderContext) { c.PddCollectStatus = string(model.CollectCollecting) })},
+		{SybStagePddCollecting, "查看采集状态", copyWith(func(c *repository.SybOrderContext) {
+			c.PddCollectStatus = string(model.CollectCollecting)
+			c.PddUpdatedAt = model.NowISO()
+			c.HasActiveCollectTask = true
+		})},
+		{SybStagePddCollectingStale, "重新创建采集任务", copyWith(func(c *repository.SybOrderContext) {
+			c.PddCollectStatus = string(model.CollectCollecting)
+			c.PddUpdatedAt = model.NowISO()
+		})},
 		{SybStagePddFailed, "重新采集", copyWith(func(c *repository.SybOrderContext) { c.PddCollectStatus = string(model.CollectFailed) })},
 		{SybStageMappingPending, "匹配规格", copyWith(func(c *repository.SybOrderContext) { c.MappingOptionKey = "" })},
 		{SybStageTaskCreated, "查看采购任务", copyWith(func(c *repository.SybOrderContext) { c.HasActiveTask = true })},
@@ -150,6 +158,10 @@ func TestSybOrderViewFor_批量动作能力按阶段隔离(t *testing.T) {
 		context := base
 		context.PddCollectStatus = string(tc.status)
 		context.MappingOptionKey = tc.mappingKey
+		if tc.status == model.CollectCollecting {
+			context.PddUpdatedAt = model.NowISO()
+			context.HasActiveCollectTask = true
+		}
 		view := sybOrderViewFor(context)
 		if view.CanCollect != tc.wantCollect || view.CanPurchase != tc.wantPurchase {
 			t.Errorf("status=%s: CanCollect=%v CanPurchase=%v", tc.status, view.CanCollect, view.CanPurchase)
@@ -171,3 +183,14 @@ func TestSybOrderViewFor_批量动作能力按阶段隔离(t *testing.T) {
 		t.Fatalf("采购就绪行应只允许采购：CanCollect=%v CanPurchase=%v", view.CanCollect, view.CanPurchase)
 	}
 }
+
+func TestSybCollectingIsStale_有效任务但时间损坏时允许恢复(t *testing.T) {
+	context := repository.SybOrderContext{
+		PddCollectStatus:     string(model.CollectCollecting),
+		PddUpdatedAt:         "not-a-time",
+		HasActiveCollectTask: true,
+	}
+	if !sybCollectingIsStale(context) {
+		t.Fatal("无法解析更新时间时不应永久停留在正常采集中")
+	}
+}

admin/service/task.go

@@ -404,7 +404,7 @@ func (r *TaskListResult) StatusLine() string {
 
 // DeleteTasks 批量删除任务，返回实际删掉的条数。
 func DeleteTasks(db *sql.DB, taskIDs []string) (int64, error) {
-	return repository.DeleteTasks(db, dedupe(taskIDs))
+	return deleteTasksInScope(db, dedupe(taskIDs), "", false)
 }
 
 // DeleteTasksForUser 保证整批删除要么全部在当前范围内成功，要么全部回滚。
@@ -413,7 +413,10 @@ func DeleteTasksForUser(db *sql.DB, actor *model.User, taskIDs []string) (int64,
 	if err != nil {
 		return 0, err
 	}
-	ids := dedupe(taskIDs)
+	return deleteTasksInScope(db, dedupe(taskIDs), visibleUserID, true)
+}
+
+func deleteTasksInScope(db *sql.DB, ids []string, visibleUserID string, enforceExactScope bool) (int64, error) {
 	if len(ids) == 0 {
 		return 0, nil
 	}
@@ -422,13 +425,22 @@ func DeleteTasksForUser(db *sql.DB, actor *model.User, taskIDs []string) (int64,
 		return 0, fmt.Errorf("开始删除任务事务失败: %w", err)
 	}
 	defer tx.Rollback()
+	goodsIDs, err := repository.ListCollectTaskGoodsIDsInScope(tx, ids, visibleUserID)
+	if err != nil {
+		return 0, err
+	}
 	n, err := repository.DeleteTasksInScope(tx, ids, visibleUserID)
 	if err != nil {
 		return 0, err
 	}
-	if n != int64(len(ids)) {
+	if enforceExactScope && n != int64(len(ids)) {
 		return 0, ErrTaskNotVisible
 	}
+	for _, goodsID := range goodsIDs {
+		if _, err := repository.ResetCollectingIfNoActiveTask(tx, goodsID); err != nil {
+			return 0, err
+		}
+	}
 	if err := tx.Commit(); err != nil {
 		return 0, fmt.Errorf("提交删除任务事务失败: %w", err)
 	}

admin/service/task_test.go

@@ -594,6 +594,33 @@ func TestDeleteTasks_批量删除(t *testing.T) {
 	}
 }
 
+func TestDeleteTasks_删除最后有效采集任务才回收商品状态(t *testing.T) {
+	db := newTestDB(t)
+	if _, err := repository.EnsurePddProduct(db, "111", "https://mobile.yangkeduo.com/goods.html?goods_id=111"); err != nil {
+		t.Fatal(err)
+	}
+	if _, err := db.Exec(`UPDATE pdd_products SET collect_status='collecting' WHERE goods_id='111'`); err != nil {
+		t.Fatal(err)
+	}
+	insertTestTask(t, db, testTaskParams{taskID: "COL-A", taskType: model.TaskCollect, status: model.TaskPending, pddGoodsID: "111"})
+	insertTestTask(t, db, testTaskParams{taskID: "COL-B", taskType: model.TaskCollect, status: model.TaskAssigned, pddGoodsID: "111"})
+
+	if _, err := DeleteTasks(db, []string{"COL-A"}); err != nil {
+		t.Fatal(err)
+	}
+	product, err := repository.GetPddProductByGoodsID(db, "111")
+	if err != nil || product.CollectStatus != model.CollectCollecting {
+		t.Fatalf("仍有有效任务时不应回收：status=%s err=%v", product.CollectStatus, err)
+	}
+	if _, err := DeleteTasks(db, []string{"COL-B"}); err != nil {
+		t.Fatal(err)
+	}
+	product, err = repository.GetPddProductByGoodsID(db, "111")
+	if err != nil || product.CollectStatus != model.CollectPending {
+		t.Fatalf("删除最后有效任务后应回收为 pending：status=%s err=%v", product.CollectStatus, err)
+	}
+}
+
 func TestTaskScope_采购员只能查看自己的任务且不能伪造筛选(t *testing.T) {
 	db := newTestDB(t)
 	admin, buyerA, buyerB := insertTaskUsers(t, db)

admin/templates/syb/detail_modal.html

@@ -47,7 +47,7 @@
     <input type="hidden" name="stage" value="{{$.StageFilter}}">
     <input type="hidden" name="page" value="{{$.CurrentPage}}">
     {{if .CanCollect}}
-    <button type="submit">{{if eq .CollectStatus "failed"}}重新创建采集任务{{else}}创建采集任务{{end}}</button>
+    <button type="submit">{{if or (eq .CollectStatus "failed") (eq .Stage "pdd_collecting_stale")}}重新创建采集任务{{else}}创建采集任务{{end}}</button>
     {{else}}
     <span class="hint">{{if eq .CollectStatus "collecting"}}采集任务正在执行，请稍后刷新。{{else}}PDD 数据已采集，下一步匹配采购规格。{{end}}</span>
     {{end}}

docs/admin/01-requirements.md

@@ -266,7 +266,8 @@ PDD 商品之所以单独一个模块，是因为它在数据上就是**独立
 
 - **类型**：全部 / 采集 / 采购。
 - **状态**：全部 + 7 个状态，见 §6.2。
-- **关键词**：同时匹配任务编号、订单号、PDD 商品 ID。
+- **关键词**：同时匹配任务编号、采购订单号、PDD 商品 ID；从顺运宝创建的采集任务
+  还要匹配其全部来源顺运宝订单号和明细 ID。
 - **创建人**：仅管理员显示，可选全部账号（包含已禁用账号）或“历史任务”。
 
 `[必须]` 采购员登录后只可查看自己创建的任务；URL 参数不能扩大范围。管理员查看

docs/admin/03-data-model.md

@@ -108,6 +108,10 @@ SQLite 同一时刻只允许一个写事务，连接放太开会互相抢锁、
 | v8（#59） | 顺运宝同步记录：新增 `syb_sync_runs` 和开始时间倒序索引；未改写 v1–v7。 |
 | v9（#151） | `syb_orders` 增加可空 `shop_name`，从有效 `syb_data.stock.shopName` 回填历史店铺名；无效 JSON、缺字段和空白值保持 `NULL`。 |
 
+生产 MySQL 迁移继续独立追加；v12（#165）新增 `task_syb_sources`，并把没有任何
+有效采集任务的孤立 `pdd_products.collect_status='collecting'` 回收到 `pending`。
+历史 SQLite migrations 保持冻结，不追加该表。
+
 **v3 为什么丢弃旧 `sku_mappings` 数据（见 #20）：** 新主键需要 `pdd_option_key`，
 这是 Go 的 `service.OptionKey()` 用 `json.Marshal` 算出来的规范化键，SQL 语句
 复现不了。硬凑一个键出来有两种后果：算错了会让映射静默失效，需要人工重新匹配一遍；
@@ -290,8 +294,8 @@ CREATE INDEX idx_pdd_products_status ON pdd_products(collect_status);
 `collect_status` 就永远卡在 `collecting`，界面上没有任何入口能救回来，
 只能改数据库（见 #24）。
 
-修复：`collecting` 状态超过 `model.CollectStaleAfter`（15 分钟）**也允许**
-重新建采集任务：
+修复：`collecting` 状态超过 `model.CollectStaleAfter`（15 分钟），或已经找不到
+`pending/assigned/claimed` 采集任务时，**也允许**重新建采集任务：
 
 ```sql
 -- repository.MarkCollecting，简化版
@@ -299,7 +303,8 @@ UPDATE pdd_products
    SET collect_status = 'collecting', updated_at = ?
  WHERE goods_id = ? AND deleted_at IS NULL
    AND ( collect_status IN ('pending', 'failed')
-         OR (collect_status = 'collecting' AND updated_at < ?) )
+         OR (collect_status = 'collecting' AND
+             (updated_at < ? OR NOT EXISTS (有效采集任务))) )
 ```
 
 `[必须]` 15 分钟为什么是这个数：采集本身几十秒到两分钟，加上排队等客户端来领，
@@ -698,6 +703,29 @@ CREATE INDEX idx_tasks_order  ON tasks(order_no);
 
 状态含义见 [01 需求](01-requirements.md) §6.2。
 
+### 7.1 `task_syb_sources` 采集任务来源（生产 MySQL v12）
+
+从顺运宝创建采集任务时，同一个 PDD 商品可能对应多个货运单明细。来源使用关联表，
+不能压进 `tasks.syb_id` 单列；后者仍只表示采购任务自身的顺运宝明细。
+
+```sql
+CREATE TABLE task_syb_sources (
+    task_id    VARCHAR(191) COLLATE utf8mb4_bin NOT NULL,
+    syb_id     VARCHAR(191) COLLATE utf8mb4_bin NOT NULL,
+    created_at VARCHAR(35) NOT NULL,
+    PRIMARY KEY (task_id, syb_id),
+    KEY idx_task_syb_sources_syb (syb_id, task_id),
+    FOREIGN KEY (task_id) REFERENCES tasks(task_id) ON DELETE CASCADE,
+    FOREIGN KEY (syb_id) REFERENCES syb_orders(syb_id) ON DELETE CASCADE
+);
+```
+
+- `[必须]` 任务和全部来源在同一事务写入；按 PDD 商品去重后仍要保留每条来源。
+- `[必须]` 采集采购关键字搜索通过本表支持顺运宝订单号和明细 ID。
+- `[必须]` 删除任务后若同商品已无 `pending/assigned/claimed` 采集任务，必须在同一事务
+  把仍为 `collecting` 的商品回收到 `pending`；有其他有效任务时不得回收。
+- 历史任务没有可靠来源，不做猜测回填，仍可按任务号和 PDD 商品 ID 查询。
+
 ## 8. `task_claims` 领取历史
 
 记录"哪台客户端领过哪个任务"。

docs/admin/05-ui-specification.md

@@ -526,8 +526,10 @@ HTML 片段，只替换弹窗内部的表格、总数和分页。主货运单表
 - 图片显示小缩略图。点击缩略图在弹窗中按比例查看顺运宝原图，并提供新窗口打开入口；
   图片加载失败时显示可读提示。`[必须]` 只存 URL，不代理、缓存或把图片塞进数据库。
 - 处理阶段是按当前关联事实**算出来的**，不是存一份容易过期的状态字段。阶段至少区分：
-  采购数据异常（顺运宝未提供规格）、未关联 PDD、PDD 待采集、采集中、
+  采购数据异常（顺运宝未提供规格）、未关联 PDD、PDD 待采集、采集中、采集中（超时）、
   采集失败、规格待匹配、可采购和已创建任务。
+- `collecting` 已超过 15 分钟，或已找不到 `pending/assigned/claimed` 采集任务时，
+  显示“PDD 采集中（超时）”和“重新创建采集任务”，不能继续伪装成正常进行中。
 - 每行显示一个有文字的“下一步”按钮。商品标题是服务端渲染处理弹窗的明确入口，
   支持鼠标和键盘；双击其他普通单元格不执行动作。图片入口只负责查看原图，不能打开处理详情。
 - “下一步”随实时阶段变化：未关联 PDD、待采集、采集中、采集失败、规格待匹配、
@@ -536,7 +538,8 @@ HTML 片段，只替换弹窗内部的表格、总数和分页。主货运单表
 - 规格原文为空时不显示匹配表单，明确提示“顺运宝未提供规格”，并禁止建立映射或创建采购任务。
 - 完整货运单 JSON 不作为列显示，落在 `syb_data` 里，供后续排查用。
 
-复选框按批量动作能力启用，不再等同于“可采购”：PDD 待采集、PDD 采集失败行可用于
+复选框按批量动作能力启用，不再等同于“可采购”：PDD 待采集、PDD 采集失败、
+PDD 采集中（超时）行可用于
 “创建 PDD 采集任务”，可创建采购任务行可用于“创建采购任务”，其他阶段继续禁用并通过
 `title` 和无障碍标签说明原因。混合勾选时两个按钮分别统计和提交自身兼容的行，不能把
 待采集商品带进采购确认，也不能把采购就绪商品带进采集请求。
@@ -639,7 +642,7 @@ ID 和在线状态；所有可见 Client 都可选择且只有一个时自动选
 
 - **类型**：全部 / 采集 / 采购。
 - **状态**：全部 + 7 个状态，见 [01 需求](01-requirements.md) §6.2。
-- **关键词**：同时匹配任务编号、订单号、PDD 商品 ID。
+- **关键词**：同时匹配任务编号、采购订单号、PDD 商品 ID、来源顺运宝订单号和明细 ID。
 - **创建人**：仅管理员显示；包含全部账号、已禁用账号和“历史任务”。采购员不显示
   此控件，服务端固定只查询本人创建的任务。