v2.3.1: Fix language switching - connect lang_selector.change() to update all 36 UI components

app.py

@@ -1433,7 +1433,7 @@ with gr.Blocks(title="Z Image Turbo", css=css, theme=dark_theme) as demo:
         
         # TAB 2: AI Vision Assistant
         with gr.Tab("AI Assistant"):
-            gr.Markdown("**AI-Powered Prompt Generator** - Upload an image, analyze it with GLM-4.6V, then generate optimized prompts.")
+            ai_desc_md = gr.Markdown("**AI-Powered Prompt Generator** - Upload an image, analyze it with GLM-4.6V, then generate optimized prompts.")
             
             with gr.Row():
                 with gr.Column(scale=1):
@@ -1449,7 +1449,7 @@ with gr.Blocks(title="Z Image Turbo", css=css, theme=dark_theme) as demo:
                     ai_send_btn = gr.Button("Send to Transform Tab", variant="primary")
             
             with gr.Accordion("How to Use", open=False):
-                gr.Markdown("""
+                ai_howto_md = gr.Markdown("""
 1. **Upload** an image and click "Analyze Image"
 2. **Describe** the changes you want
 3. **Generate** an optimized prompt
@@ -1469,7 +1469,7 @@ with gr.Blocks(title="Z Image Turbo", css=css, theme=dark_theme) as demo:
         
         # TAB 3: Transform Image
         with gr.Tab("Transform"):
-            gr.Markdown("**Transform your image** - Upload and describe the transformation. Lower strength = subtle, higher = dramatic.")
+            trans_desc_md = gr.Markdown("**Transform your image** - Upload and describe the transformation. Lower strength = subtle, higher = dramatic.")
             
             with gr.Row():
                 with gr.Column(scale=2):
@@ -1526,6 +1526,24 @@ with gr.Blocks(title="Z Image Turbo", css=css, theme=dark_theme) as demo:
             outputs=[trans_prompt, trans_input]
         )
     
+    # Language selector - update all UI labels when language changes
+    lang_selector.change(
+        fn=change_language,
+        inputs=[lang_selector],
+        outputs=[
+            # Generate tab (12 components)
+            gen_prompt, gen_polish, gen_style, gen_ratio, gen_steps, gen_seed,
+            gen_randomize, gen_btn, gen_output, gen_polished_prompt, gen_seed_out, gen_share_btn,
+            # AI Assistant tab (10 components)
+            ai_desc_md, ai_image, ai_analyze_btn, ai_description, ai_request, ai_style,
+            ai_generate_btn, ai_generated_prompt, ai_send_btn, ai_howto_md,
+            # Transform tab (14 components)
+            trans_desc_md, trans_input, trans_prompt, trans_polish, trans_style, trans_strength,
+            trans_steps, trans_seed, trans_randomize, trans_btn, trans_output, trans_polished_prompt,
+            trans_seed_out, trans_share_btn,
+        ]
+    )
+    
     gr.HTML(
         """
         <div style="text-align: center; width: 100%; font-size: 0.9rem; padding: 1rem; margin-top: 1.5rem; background: #141416; border: 1px solid rgba(255,255,255,0.08); border-radius: 12px; color: #71717a;">