feat: recover workflow waits within original deadlines

internal/storage/mysql/workflow_consume.go

@@ -31,6 +31,11 @@ type workflowResult struct {
 }
 
 func readWorkflowResult(ctx context.Context, tx *sql.Tx, g *workflowGraph, c workflowCandidate, now time.Time) (*workflowResult, error) {
+	return readWorkflowResultState(ctx, tx, g, c, now, "PENDING")
+}
+
+// readWorkflowResultState 复用不可变来源核验；管理恢复只读取已处理快照，不改写原Inbox处置。
+func readWorkflowResultState(ctx context.Context, tx *sql.Tx, g *workflowGraph, c workflowCandidate, now time.Time, required string) (*workflowResult, error) {
 	var state string
 	var due time.Time
 	var raw []byte
@@ -42,7 +47,7 @@ func readWorkflowResult(ctx context.Context, tx *sql.Tx, g *workflowGraph, c wor
 	if err != nil {
 		return nil, err
 	}
-	if state != "PENDING" || due.After(now) {
+	if state != required || required == "PENDING" && due.After(now) {
 		return nil, nil
 	}
 	if _, err := jsonvalue.Canonical(raw); err != nil {