Update app.py via AI Editor

app.py

@@ -139,13 +139,13 @@ def make_shred_controls():
 
 def make_tab(tab_id, label):
     if tab_id == "shred":
-        # Upload first, then preview, then control buttons below as requested
+        # Controls right after text area, then upload, then preview, then output
         return dbc.Card(
             dbc.CardBody([
                 make_textarea(tab_id, f"Instructions for {label} (optional)"),
+                make_shred_controls(),
                 make_upload(tab_id),
                 make_shred_doc_preview(),
-                make_shred_controls(),
                 dcc.Loading(html.Div(id=f'{tab_id}-output'), id="loading", type="default", parent_style={'justifyContent': 'center'}),
                 dcc.Store(id="shred-upload-store")
             ]), className="mb-4"
@@ -277,7 +277,6 @@ def handle_all_tabs(*args):
         return outputs
     trig = ctx.triggered[0]['prop_id']
     logger.info(f"Main callback triggered by {trig}")
-    # Index mapping because Shred tab has custom button IDs
     for idx, tab_id in enumerate(tab_cards):
         gen_btn = f"{tab_id}-btn.n_clicks"
         dl_btn = f"{tab_id}-download-btn.n_clicks"
@@ -289,7 +288,6 @@ def handle_all_tabs(*args):
         prev_output_idx = idx + 3 * n
         shred_upload_store_idx = 4 * n
 
-        # For shred, support the special button IDs
         if tab_id == "shred":
             shred_gen_btn = "shred-btn.n_clicks"
             shred_dl_btn = "shred-download-btn.n_clicks"
@@ -329,7 +327,6 @@ def handle_all_tabs(*args):
                     outputs[dl_idx] = dcc.send_bytes(buffer.getvalue(), f"{tab_id}_report.txt")
                 else:
                     outputs[dl_idx] = None
-        # All other tabs
         if trig == gen_btn:
             logger.info(f"Generate button pressed for {tab_id}")
             upload = args[upload_idx]