feat(api): allow batch status updates

internal/api/model_handler_test.go

@@ -200,3 +200,44 @@ func TestBatchModels_Delete(t *testing.T) {
 		t.Fatalf("expected meta removed, got %q", got)
 	}
 }
+
+func TestBatchBindings_Status(t *testing.T) {
+	h, db := newTestHandler(t)
+
+	b := &model.Binding{
+		Namespace:     "ns",
+		PublicModel:   "m1",
+		RouteGroup:    "default",
+		SelectorType:  "exact",
+		SelectorValue: "m1",
+		Status:        "active",
+	}
+	if err := db.Create(b).Error; err != nil {
+		t.Fatalf("create binding: %v", err)
+	}
+
+	r := gin.New()
+	r.POST("/admin/bindings/batch", h.BatchBindings)
+
+	payload := map[string]any{
+		"action": "status",
+		"status": "inactive",
+		"ids":    []uint{b.ID},
+	}
+	bb, _ := json.Marshal(payload)
+	req := httptest.NewRequest(http.MethodPost, "/admin/bindings/batch", bytes.NewReader(bb))
+	req.Header.Set("Content-Type", "application/json")
+	rr := httptest.NewRecorder()
+	r.ServeHTTP(rr, req)
+
+	if rr.Code != http.StatusOK {
+		t.Fatalf("expected 200, got %d body=%s", rr.Code, rr.Body.String())
+	}
+	var updated model.Binding
+	if err := db.First(&updated, b.ID).Error; err != nil {
+		t.Fatalf("reload binding: %v", err)
+	}
+	if updated.Status != "inactive" {
+		t.Fatalf("expected status inactive, got %q", updated.Status)
+	}
+}