removed back button

backend/data_manager.py

@@ -31,22 +31,6 @@ class DataManager:
         Returns file path or data URL that Gradio can handle.
         """
         try:
-            # Method 1: Check if it has a file path (common with LFS)
-            path = None
-            if isinstance(audio_val, dict):
-                path = audio_val.get("path")
-            else:
-                try:
-                    path = audio_val["path"]
-                except Exception:
-                    path = getattr(audio_val, "path", None)
-
-            if path and isinstance(path, str):
-                # For LFS files, return the path directly - Gradio can handle it
-                print(f"[DEBUG] Using audio path: {path}")
-                return path
-
-            # Method 2: Try to get array data (for non-LFS files)
             array = None
             sr = None
             if isinstance(audio_val, dict):
@@ -67,7 +51,6 @@ class DataManager:
                 with tempfile.NamedTemporaryFile(suffix=".wav", delete=False) as tmp_file:
                     sf.write(tmp_file.name, np.array(array), int(sr))
                     return tmp_file.name
-
         except Exception as e:
             print(f"[WARN] Failed to process audio data: {e}")
 

frontend/app.py

@@ -68,28 +68,24 @@ def create_app(data_manager, session_manager):
 
         (
             mos_page,
-            back_to_samples_btn,
             continue_mos_btn,
             mos_dynamic_content
         ) = build_mos_page()
 
         (
             ab_model_page,
-            back_to_mos_btn,
             continue_ab_model_btn,
             ab_model_dynamic_content,
         ) = build_ab_model_page()
 
         (
             ab_gender_page,
-            back_to_ab_model_btn,
             continue_ab_gender_btn,
             ab_gender_dynamic_content,
         ) = build_ab_gender_page()
 
         (
             conclusion_page,
-            back_to_ab_gender_btn,
             export_btn,
             overall_feedback,
             final_comments,
@@ -315,33 +311,6 @@ def create_app(data_manager, session_manager):
             js=SCROLL_TO_TOP_JS
         )
 
-        back_to_samples_btn.click(
-            lambda: (gr.update(visible=False), gr.update(visible=True)),
-            inputs=[],
-            outputs=[mos_page, sample_page],
-            js=SCROLL_TO_TOP_JS
-        )
-
-        back_to_mos_btn.click(
-            lambda: (gr.update(visible=False), gr.update(visible=True)),
-            inputs=[],
-            outputs=[ab_model_page, mos_page],
-            js=SCROLL_TO_TOP_JS
-        )
-
-        back_to_ab_model_btn.click(
-            lambda: (gr.update(visible=False), gr.update(visible=True)),
-            inputs=[],
-            outputs=[ab_gender_page, ab_model_page],
-            js=SCROLL_TO_TOP_JS
-        )
-
-        back_to_ab_gender_btn.click(
-            lambda: (gr.update(visible=False), gr.update(visible=True)),
-            inputs=[],
-            outputs=[conclusion_page, ab_gender_page],
-            js=SCROLL_TO_TOP_JS
-        )
 
     return app
 

frontend/pages/ab_gender.py

@@ -34,25 +34,11 @@ def build_ab_gender_page():
             value="<p>Loading gender comparisons...</p>", visible=True
         )
 
-        gr.Markdown(
-            """
-            <div style="background: #7f1d1d; padding: 12px; border-radius: 8px; border: 2px solid #ef4444; margin: 15px 0;">
-                <p style="margin: 0; color: #fca5a5; font-weight: bold;">
-                    ⚠️ Warning: Using the "Back" button will lose all your comparisons on this page!
-                </p>
-            </div>
-            """
+        continue_btn = gr.Button(
+            "Complete Evaluation", variant="primary"
         )
 
-        with gr.Row():
-            back_btn = gr.Button(
-                "Back to Model Comparisons", variant="secondary"
-            )
-            continue_btn = gr.Button(
-                "Complete Evaluation", variant="primary"
-            )
-
-    return ab_gender_page, back_btn, continue_btn, ab_gender_dynamic_content
+    return ab_gender_page, continue_btn, ab_gender_dynamic_content
 
 
 def render_ab_gender_html(session: Dict[str, Any]) -> str:

frontend/pages/ab_model.py

@@ -34,25 +34,11 @@ def build_ab_model_page():
             value="<p>Loading model comparisons...</p>", visible=True
         )
 
-        gr.Markdown(
-            """
-            <div style="background: #7f1d1d; padding: 12px; border-radius: 8px; border: 2px solid #ef4444; margin: 15px 0;">
-                <p style="margin: 0; color: #fca5a5; font-weight: bold;">
-                    ⚠️ Warning: Using the "Back" button will lose all your comparisons on this page!
-                </p>
-            </div>
-            """
+        continue_btn = gr.Button(
+            "Continue to Gender Comparisons", variant="primary"
         )
 
-        with gr.Row():
-            back_btn = gr.Button(
-                "Back to Model Ratings", variant="secondary"
-            )
-            continue_btn = gr.Button(
-                "Continue to Gender Comparisons", variant="primary"
-            )
-
-    return ab_model_page, back_btn, continue_btn, ab_model_dynamic_content
+    return ab_model_page, continue_btn, ab_model_dynamic_content
 
 
 def render_ab_model_html(session: Dict[str, Any]) -> str:

frontend/pages/conclusion.py

@@ -36,20 +36,6 @@ def build_conclusion_page():
             lines=4,
         )
 
-        gr.Markdown(
-            """
-            <div style="background: #7f1d1d; padding: 12px; border-radius: 8px; border: 2px solid #ef4444; margin: 15px 0;">
-                <p style="margin: 0; color: #fca5a5; font-weight: bold;">
-                    ⚠️ Warning: Using the "Back" button will lose all your previous submissions!
-                </p>
-            </div>
-            """
-        )
-
-        with gr.Row():
-            back_btn = gr.Button(
-                "Back to Gender Comparisons", variant="secondary"
-            )
-            export_btn = gr.Button("Submit Results", variant="primary")
+        export_btn = gr.Button("Submit Results", variant="primary")
 
-    return conclusion_page, back_btn, export_btn, overall_feedback, final_comments
+    return conclusion_page, export_btn, overall_feedback, final_comments

frontend/pages/mos.py

@@ -47,23 +47,11 @@ def build_mos_page():
 
         mos_dynamic_content = gr.HTML(value="<p>Loading clips...</p>", visible=True)
 
-        gr.Markdown(
-            """
-            <div style="background: #7f1d1d; padding: 12px; border-radius: 8px; border: 2px solid #ef4444; margin: 15px 0;">
-                <p style="margin: 0; color: #fca5a5; font-weight: bold;">
-                    ⚠️ Warning: Using the "Back" button will lose all your ratings on this page!
-                </p>
-            </div>
-            """
+        continue_btn = gr.Button(
+            "Continue to Model Comparisons", variant="primary"
         )
 
-        with gr.Row():
-            back_btn = gr.Button("Back to Reference Audio", variant="secondary")
-            continue_btn = gr.Button(
-                "Continue to Model Comparisons", variant="primary"
-            )
-
-    return mos_page, back_btn, continue_btn, mos_dynamic_content
+    return mos_page, continue_btn, mos_dynamic_content
 
 
 def render_mos_html(session) -> str: