Fix save image external folder feedback

dumas_image_nodes.py

@@ -365,6 +365,14 @@ class DumasSaveImageNode:
                         "type": "output",
                     }
                 )
+            else:
+                ui_images.append(
+                    {
+                        "filename": filename,
+                        "subfolder": frame_dir.replace("\\", "/"),
+                        "type": "external",
+                    }
+                )
 
         return {"ui": {"images": ui_images}}
 

js/save_image/index.js

@@ -135,10 +135,16 @@ function imageUrl(meta) {
   return `/view?filename=${encodeURIComponent(meta.filename)}&type=${encodeURIComponent(meta.type)}&subfolder=${encodeURIComponent(meta.subfolder || "")}&t=${Date.now()}`;
 }
 
+function canPreview(meta) {
+  return meta?.type === "output";
+}
+
 function updateActionState(node, ui) {
   const hasImage = !!(node._dsiImages && node._dsiImages.length);
-  ui.openButton.disabled = !hasImage;
-  ui.copyButton.disabled = !hasImage;
+  const current = hasImage ? node._dsiImages[node._dsiImageIndex || 0] : null;
+  const previewable = canPreview(current);
+  ui.openButton.disabled = !previewable;
+  ui.copyButton.disabled = !previewable;
   ui.prevButton.classList.toggle("show", !!(hasImage && node._dsiImages.length > 1));
   ui.nextButton.classList.toggle("show", !!(hasImage && node._dsiImages.length > 1));
   ui.count.style.display = hasImage && node._dsiImages.length > 1 ? "block" : "none";
@@ -176,14 +182,24 @@ function renderPreview(node, ui) {
   }
 
   const current = images[currentIndex];
+  ui.count.textContent = `${currentIndex + 1} / ${images.length}`;
+  if (canPreview(current)) {
     ui.view.classList.add("has");
     ui.placeholder.style.display = "none";
     ui.img.style.display = "block";
     ui.img.src = imageUrl(current);
-  ui.count.textContent = `${currentIndex + 1} / ${images.length}`;
     ui.info.textContent = images.length > 1
       ? `Showing saved image ${currentIndex + 1} of ${images.length}`
       : "Showing latest saved image";
+  } else {
+    ui.view.classList.remove("has");
+    ui.img.style.display = "none";
+    ui.placeholder.style.display = "flex";
+    ui.placeholder.textContent = "Saved outside ComfyUI output. Preview is unavailable here.";
+    ui.info.textContent = current?.subfolder
+      ? `Saved to ${current.subfolder}/${current.filename}`
+      : `Saved to ${current.filename}`;
+  }
   updateActionState(node, ui);
 }
 
@@ -324,16 +340,7 @@ function createRoot(node) {
     renderPreview(node, ui);
   });
   browseButton.addEventListener("click", async () => {
-    if (typeof window.showDirectoryPicker !== "function") return;
-    try {
-      const handle = await window.showDirectoryPicker();
-      if (!handle) return;
-      folderInput.value = handle.name || folderInput.value;
-      setWidgetValue(node, "folder", folderInput.value);
-      renderPreview(node, ui);
-    } catch (_error) {
-      // Ignore picker cancel/failure.
-    }
+    ui.info.textContent = "Browser folder picking cannot provide a real filesystem path here. Paste the full path into the folder field.";
   });
   fmtPng.addEventListener("click", () => {
     ui.format = "png";

tests/test_dumas_image_nodes.py

@@ -167,6 +167,24 @@ class DumasImageNodeTests(unittest.TestCase):
         self.assertEqual(result["ui"]["images"][0]["type"], "output")
         self.assertTrue(result["ui"]["images"][0]["filename"].endswith(".jpg"))
 
+    def test_save_image_returns_ui_entries_for_external_folder(self):
+        node = self.image_nodes.DumasSaveImageNode()
+        image = FakeTensorBatch()
+        external_dir = tempfile.mkdtemp(prefix="dumas-image-node-external-")
+
+        result = node.save_images(
+            images=image,
+            folder=external_dir,
+            pattern="external_%counter%",
+            format="png",
+            quality=100,
+            embed_workflow=False,
+            save_on_run=True,
+        )
+
+        self.assertEqual(result["ui"]["images"][0]["type"], "external")
+        self.assertEqual(result["ui"]["images"][0]["subfolder"], external_dir.replace("\\", "/"))
+
     def test_save_image_skips_when_save_is_disabled(self):
         node = self.image_nodes.DumasSaveImageNode()
         image = FakeTensorBatch()