perf(data): bound lidar readers and lab session loading

src/k1link/web/app.py

@@ -43,6 +43,7 @@ from k1link.web.e30_review_api import build_e30_review_router
 from k1link.web.environment_api import build_environment_router
 from k1link.web.laboratory_api import build_laboratory_router
 from k1link.web.lidar_api import build_lidar_router
+from k1link.web.lidar_local_surface_service import K1LocalSurfaceReadService
 from k1link.web.map_api import (
     MapGatewayConfiguration,
     MapGatewayProxy,
@@ -90,6 +91,9 @@ plugin_catalog: DevicePluginCatalog = plugin_environment.catalog
 plugin_dispatcher: DevicePluginDispatcher = plugin_environment.dispatcher
 session_store = SessionStore(REPOSITORY_ROOT)
 session_artifact_gateway = configured_artifact_gateway(session_store.data_dir)
+lidar_local_surface_read_service = K1LocalSurfaceReadService(
+    session_store.data_dir / "lidar-read-cache"
+)
 session_recording_materializer = SessionRecordingMaterializer(
     session_store.data_dir,
     exporters=plugin_environment.recording_exporters,
@@ -308,6 +312,7 @@ async def app_lifespan(_: FastAPI) -> AsyncIterator[None]:
             with suppress(asyncio.CancelledError):
                 await reconciler
         await asyncio.to_thread(session_recording_preparation_manager.close)
+        await asyncio.to_thread(lidar_local_surface_read_service.close)
         plugin_environment.close()
 
 
@@ -493,6 +498,7 @@ app.include_router(
         dataset_ground_preview_provider=lambda: (
             REPOSITORY_ROOT / ".runtime" / "dataset-gateway" / "ground-comparison.json"
         ),
+        local_surface_read_service=lidar_local_surface_read_service,
     )
 )
 app.include_router(