docs: reorganize README for clarity on local setup and modal deployment

README.md

@@ -25,19 +25,25 @@ cp .env.sample .env
 uv sync --frozen
 ```
 
-### Modal
-
-If your local GPU is not powerful enough to run "gpt-oss-20b", you can deploy it to Modal 🚀
+### Run locally
 
 ```sh
-uv run modal setup
-uv run modal deploy src/unpredictable_lord/llm_modal.py
+uv run gradio app.py
 ```
 
-and then set `USE_MODAL=true` in your `.env` file.
+## About Chat Tab
 
-### Run locally
+The Chat Tab is hidden by default, because it is not fully implemented yet.
+
+To enable it, change `with gr.TabItem("Chat", visible=False):` to `with gr.TabItem("Chat", visible=True):` in `app.py`.
+
+### Modal
+
+If your local GPU is not powerful enough to run "gpt-oss-20b", you can deploy it to Modal 🚀
 
 ```sh
-uv run gradio app.py
+uv run modal setup
+uv run modal deploy src/unpredictable_lord/chat/llm_modal.py
 ```
+
+Then set `USE_MODAL=true` in your `.env` file.