feat(medsam): UI shows polygons only; optional raw masks via hidden flag to avoid UI crashes

app.py

@@ -643,7 +643,7 @@ def analyze(image):
         return {"error": "Internal error in analyze"}
 
 
-def analyze_with_medsam(base_result, image):
+def analyze_with_medsam(base_result, image, include_raw_masks=False):
     try:
         log("analyze_with_medsam: start")
         if not isinstance(base_result, dict):
@@ -674,11 +674,15 @@ def analyze_with_medsam(base_result, image):
             m = _medsam.segment_with_box(bbox)
             if m is None or not isinstance(m.get('mask'), np.ndarray):
                 continue
-            segmentations.append({
-                "mask": m['mask'].astype(np.uint8).tolist(),
+            mask_np = m['mask'].astype(np.uint8)
+            seg_entry = {
                 "confidence": float(m.get('confidence', 1.0)),
-                "method": m.get("method", "medsam_box_auto")
-            })
+                "method": m.get("method", "medsam_box_auto"),
+                "polygons": _mask_to_polygons(mask_np)
+            }
+            if include_raw_masks:
+                seg_entry["mask"] = mask_np.tolist()
+            segmentations.append(seg_entry)
             masks_for_overlay.append(m)
 
         W, H = pil_img.size
@@ -740,6 +744,7 @@ with gr.Blocks(
                 height=400,
                 elem_id="image-input"
             )
+            include_raw_masks_cb = gr.Checkbox(value=False, visible=False, elem_id="include-raw-masks")
 
             # Analyze button (single)
             analyze_btn = gr.Button(
@@ -774,7 +779,7 @@ with gr.Blocks(
     # Automatic overlay generation step for medical images
     analyze_event.then(
         fn=analyze_with_medsam,
-        inputs=[result_output, image_input],
+        inputs=[result_output, image_input, include_raw_masks_cb],
         outputs=[result_output, overlay_output],
     )