feat: add global system notices and Beijing order time display

internal/tasks/service.go

@@ -438,8 +438,13 @@ func allowedActions(row store.TaskOrder) []string {
 	switch row.OrderStatus {
 	case 2:
 		var snapshot map[string]any
-		if json.Unmarshal(row.RuleSnapshot, &snapshot) == nil && snapshot["dispatch_mode"] == "manual" {
-			return []string{"submit", "contact_support"}
+		if json.Unmarshal(row.RuleSnapshot, &snapshot) == nil {
+			if snapshot["balance_shortage_pending"] == true {
+				return []string{"contact_support"}
+			}
+			if snapshot["dispatch_mode"] == "manual" {
+				return []string{"submit", "contact_support"}
+			}
 		}
 		return []string{"contact_support"}
 	case 3, 5, 6, 8:

internal/tasks/service_test.go

@@ -170,3 +170,12 @@ func TestOrdersRejectsUnknownStatus(t *testing.T) {
 		t.Fatalf("expected status error, got %v", err)
 	}
 }
+
+func TestAllowedActionsBalancePendingOrderCannotBeSubmitted(t *testing.T) {
+	row := store.TaskOrder{OrderStatus: 2, RuleSnapshot: json.RawMessage(`{"dispatch_mode":"manual","balance_shortage_pending":true}`)}
+	for _, action := range allowedActions(row) {
+		if action == "submit" {
+			t.Fatal("余额不足待处理订单不应允许提交")
+		}
+	}
+}