feat: Demo display effect and usage (#162)

Demo changes

.streamlit/config.toml

@@ -0,0 +1,2 @@
+[client]
+showSidebarNavigation = false

docs/ui.rst

@@ -18,12 +18,14 @@ In `RD-Agent/` folder, run:
 
 .. code-block:: bash
 
-    rdagent ui --port <port> --log_dir <log_dir>
+    rdagent ui --port <port> --log_dir <log_dir> [--debug]
 
 This will start a web app on `http://localhost:<port>`.
 
 **NOTE**: The log_dir parameter is not required. You can manually enter the log_path in the web app. If you set the log_dir parameter, you can easily select a different log_path in the web app.
 
+--debug is optional, it will show a "Single Step Run" button in sidebar and saved objects info in the web app.
+
 Use Web App
 -----------
 

rdagent/app/cli.py

@@ -22,12 +22,19 @@
 load_dotenv()
 
 
-def ui(port=80, log_dir="./log"):
+def ui(port=80, log_dir="", debug=False):
     """
     start web app to show the log traces.
     """
     with rpath("rdagent.log.ui", "app.py") as app_path:
-        subprocess.run(["streamlit", "run", app_path, f"--server.port={port}", "--", f"--log_dir={log_dir}"])
+        cmds = ["streamlit", "run", app_path, f"--server.port={port}"]
+        if log_dir or debug:
+            cmds.append("--")
+        if log_dir:
+            cmds.append(f"--log_dir={log_dir}")
+        if debug:
+            cmds.append("--debug")
+        subprocess.run(cmds)
 
 
 def app():