feat: add error handling for multiple image search and visual display

web/interface.py

@@ -74,7 +74,13 @@ class WebInterface:
 
     def multiple_image_search(self, img, threshold, results):
         """Wrapper for the multiple image search function"""
-        return image_search_performers(img, self.data_manager, threshold, results)
+        try:
+            return image_search_performers(img, self.data_manager, threshold, results)
+        except ValueError as e:
+            if "No faces found" in str(e):
+                return {"error": "No faces detected in the uploaded image. Please try uploading an image with visible faces."}
+            else:
+                raise e
 
     def format_results_for_visual_display(self, json_results):
         """
@@ -89,6 +95,18 @@ class WebInterface:
         if not json_results:
             return [], "<p>No faces detected or no matches found.</p>"
         
+        # Handle error case
+        if isinstance(json_results, dict) and "error" in json_results:
+            error_html = f"""
+            <div class="performer-card">
+                <div class="face-info">
+                    <h3 style="color: #ff6b6b;">Error</h3>
+                    <p>{json_results['error']}</p>
+                </div>
+            </div>
+            """
+            return [], error_html
+        
         gallery_images = []
         html_parts = []