feat: default to rerun-web and auto-open browser on startup (browser …

dimos/core/global_config.py

@@ -33,7 +33,7 @@ class GlobalConfig(BaseSettings):
     replay: bool = False
     rerun_enabled: bool = True
     rerun_server_addr: str | None = None
-    viewer_backend: ViewerBackend = "rerun-native"
+    viewer_backend: ViewerBackend = "rerun-web"
     n_dask_workers: int = 2
     memory_limit: str = "auto"
     mujoco_camera_position: str | None = None

dimos/web/websocket_vis/websocket_vis_module.py

@@ -26,6 +26,7 @@
 import threading
 import time
 from typing import Any
+import webbrowser
 
 from dimos_lcm.std_msgs import Bool  # type: ignore[import-untyped]
 from reactivex.disposable import Disposable
@@ -57,6 +58,9 @@
 
 logger = setup_logger()
 
+_browser_open_lock = threading.Lock()
+_browser_opened = False
+
 
 class WebsocketVisModule(Module):
     """
@@ -149,11 +153,20 @@ def start(self) -> None:
         self._uvicorn_server_thread = threading.Thread(target=self._run_uvicorn_server, daemon=True)
         self._uvicorn_server_thread.start()
 
-        # Show control center link in terminal
-        if self._global_config.viewer_backend == "rerun-web":
-            logger.info(f"Command Center: http://localhost:{self.port}")
-        else:
-            logger.info(f"Command Center: http://localhost:{self.port}/command-center")
+        # Auto-open the appropriate landing page:
+        # - rerun-web: "/" serves dashboard with Rerun iframe + command center iframe
+        # - rerun-native: "/" redirects to "/command-center"
+        url = f"http://localhost:{self.port}/"
+        logger.info(f"Dimensional Command Center: {url}")
+
+        global _browser_opened
+        with _browser_open_lock:
+            if not _browser_opened:
+                try:
+                    webbrowser.open_new_tab(url)
+                    _browser_opened = True
+                except Exception as e:
+                    logger.debug(f"Failed to open browser: {e}")
 
         try:
             unsub = self.odom.subscribe(self._on_robot_pose)