Update app.py

app.py

@@ -132,7 +132,7 @@ def _parse_chat_stream_logic(chat_json_string, existing_files_state=None):
     message_obj = None
     if ai_chat_history and isinstance(ai_chat_history[-1], dict) and ai_chat_history[-1].get("role", "").lower() == BOT_ROLE_NAME:
          message_obj = ai_chat_history[-1]
-    
+
     if not message_obj:
          # If the last message isn't the bot's or is malformed, don't update state based on it
          results["parsed_code_blocks"] = list(latest_blocks_dict.values()) # Return existing state
@@ -152,7 +152,7 @@ def _parse_chat_stream_logic(chat_json_string, existing_files_state=None):
         if structure_match:
             # Overwrite or add the structure block from the latest response
             latest_blocks_dict["File Structure (original)"] = {"filename": "File Structure (original)", "language": structure_match.group("struct_lang") or "plaintext", "code": structure_match.group("structure_code").strip(), "is_binary": False, "is_structure_block": True}
-        
+
         # Find all file blocks in the latest message
         current_message_file_blocks = {}
         for match in file_pattern.finditer(content):
@@ -678,7 +678,7 @@ def handle_commit_file_changes(hf_api_key_ui, ui_space_name_part, ui_owner_name_
                  "is_structure_block": False
              })
              # Re-sort the cache to maintain consistent order
-             parsed_code_blocks_state_cache.sort(key=lambda b: (0, b["filename"]) if b.get("is_structure_block") else (1, b["filename"]))
+             parsed_code_blocks_state_cache.sort(key=lambda b: (0, b["filename"]) if b.get("is_structure_block") else (1, b["filename")))
 
         # Regenerate markdown and preview from the updated cache
         _formatted_md_out, _detected_preview_out, _download_btn_out = _generate_ui_outputs_from_cache(owner_to_use, ui_space_name_part)
@@ -786,7 +786,7 @@ with gr.Blocks(theme=gr.themes.Soft(primary_hue="teal", secondary_hue="orange"))
     with gr.Row():
         with gr.Sidebar():
             gr.Markdown("## ⚙️ Configuration")
-            with gr.Group(): gr.Markdown("### API Keys & Tokens"); groq_api_key_input = gr.Textbox(label="Groq API Key", type="password", placeholder="gsk_..."); hf_api_key_input = gr.Textbox(label="Hugging Face Token", type="password", placeholder="hf_...")
+            with gr.Group(): gr.Markdown("### API Keys & Tokens"); groq_api_key_input = gr.Textbox(label="Groq API Key", type="password", placeholder="gsk_...", allow_paste=True); hf_api_key_input = gr.Textbox(label="Hugging Face Token", type="password", placeholder="hf_...", allow_paste=True)
             with gr.Group(): gr.Markdown("### Hugging Face Space"); owner_name_input = gr.Textbox(label="HF Owner Name", placeholder="e.g., your-username"); space_name_input = gr.Textbox(label="HF Space Name", value="my-ai-space", placeholder="e.g., my-cool-app"); space_sdk_select = gr.Dropdown(label="Space SDK", choices=["gradio", "streamlit", "docker", "static"], value="gradio", info="Used for new/build."); load_space_button = gr.Button("🔄 Load Existing Space", variant="secondary", size="sm")
             with gr.Group(): gr.Markdown("### AI Model Settings"); groq_model_select = gr.Dropdown(label="Groq Model", choices=["mixtral-8x7b-32768", "llama3-8b-8192", "llama3-70b-8192", "gemma-7b-it"], value="llama3-8b-8192"); groq_system_prompt_input = gr.Textbox(label="System Prompt", lines=8, value=DEFAULT_SYSTEM_PROMPT, interactive=True)
         with gr.Column(scale=3):
@@ -797,7 +797,10 @@ with gr.Blocks(theme=gr.themes.Soft(primary_hue="teal", secondary_hue="orange"))
             gr.Markdown("---")
             with gr.Tabs():
                 with gr.TabItem("📝 Formatted Space Markdown"): gr.Markdown("Complete Markdown definition for your Space."); formatted_space_output_display = gr.Textbox(label="Current Space Definition", lines=15, interactive=True, show_copy_button=True, value="*Space definition...*"); download_button = gr.DownloadButton(label="Download .md", interactive=False, size="sm")
-                with gr.TabItem("🔍 Detected Files Preview"): gr.Markdown(value="*Files preview...*")
+                with gr.TabItem("🔍 Detected Files Preview"):
+                    # --- CORRECTED LINE ---
+                    detected_files_preview = gr.Markdown(value="*Files preview...*")
+                    # --- END CORRECTED LINE ---
             gr.Markdown("---")
             with gr.Tabs():
                 with gr.TabItem("🚀 Build & Preview Space"):