feat(control-station): add configurable environment shell

src/k1link/web/app.py

@@ -33,6 +33,7 @@ from k1link.sessions import (
     SessionStore,
 )
 from k1link.web.device_plugin_composition import load_installed_device_plugins
+from k1link.web.environment_api import build_environment_router
 from k1link.web.lidar_api import build_lidar_router
 from k1link.web.plugin_catalog import DevicePluginCatalog, PluginCatalogError
 from k1link.web.plugin_runtime import (
@@ -398,6 +399,11 @@ app.include_router(
         point_color_renderers=plugin_environment.point_color_renderers,
     )
 )
+app.include_router(
+    build_environment_router(
+        root_provider=lambda: session_store.data_dir / "ui-environment"
+    )
+)
 app.include_router(
     build_polygon_router(
         root_provider=lambda: configured_polygon_runs_root()