修正

app.py

@@ -55,9 +55,12 @@ def make_html_table(caption):
     return html
 
 def update_history(img, gallery_items):
-    # tables_html を作って返す
+    tables_html = "".join(
+        f'<div style="margin-bottom:12px">{make_html_table(item[1])}</div>'
+        for item in history
+    )
     return tables_html
-
+    
 def infer(prompt, neg, seed, rand, w, h, cfg, steps, scheduler_type,
           progress=gr.Progress(track_tqdm=True)):
     if rand:
@@ -97,7 +100,7 @@ def infer(prompt, neg, seed, rand, w, h, cfg, steps, scheduler_type,
 
     gallery_items = [(item[0], make_html_table(item[1])) for item in history]
     tables_html = "".join(f'<div style="margin-bottom:12px">{make_html_table(item[1])}</div>' for item in history)
-    return img, gallery_items, tables_html
+    return img, gallery_items
 
 # CSS 設定（ダークモード強制防止＋カフェ風テーマ）
 css = """
@@ -292,9 +295,9 @@ window.addEventListener('load', () => {
         inputs=[prompt, neg, seed_sl, rand, width, height, cfg, steps, scheduler_type],
         outputs=[img_out, history_gallery]
     ).then(
-    fn=update_history,
-    inputs=[img_out, history_gallery],
-    outputs=[history_tables]
+        fn=update_history,
+        inputs=[img_out, history_gallery],
+        outputs=[history_tables]
     )
     
     # ページロード時に history から初期表示