Update app.py

app.py

@@ -49,9 +49,35 @@ class Application:
         # Workflow run id
         self.runid = None
 
+    def default():
+        """
+        Gets default workflow index.
+        
+        Args:
+            names: list of workflow names
+        
+        Returns:
+           default workflow index
+        """
+        
+        # Get names as lowercase to match case-insensitive
+        lnames = [name.lower() for name in names]
+    
+        # Get default workflow param
+        params = st.experimental_get_query_params()
+        index = params.get("default")
+        index = index[0].lower() if index else 0
+    
+        # Lookup index of workflow name, add 1 to account for "--"
+        if index and index in lnames:
+            return lnames.index(index) + 1
+    
+        # Workflow not found, default to index 0
+        return 0
+    
     def load(self, components):
         """
-        Load an existing workflow file.
+        Load an existing workflow file. 
 
         Args:
             components: list of components to load
@@ -70,8 +96,12 @@ class Application:
         params = st.experimental_get_query_params()
         index = params.get("default")
         index = index[0] if index else 0
-        if index and index in names:
-            index = names.index(index) + 1
+        lnames = [name.lower() for name in names]
+        
+        if index and index.lower() in lnames:
+            index = lnames.index(index.lower()) + 1
+        else:
+            index = 0
 
         selected = st.selectbox("Load workflow", ["--"] + names, index)
         if selected != "--":