Reduce API startup storage prewarm

services/api-server/src/api_server/main.py

@@ -585,7 +585,7 @@ def _load_persisted_state() -> None:
         _rbac.users[access.user_id] = access
     for payload in _storage.list_documents("privacy_markers"):
         _privacy.upsert_marker(PrivacyMarker.model_validate(payload))
-    version_load_limit = int(os.environ.get("SFERA_STARTUP_OBJECT_VERSION_LIMIT", "5000"))
+    version_load_limit = int(os.environ.get("SFERA_STARTUP_OBJECT_VERSION_LIMIT", "0"))
     for payload in _storage.list_documents("object_versions", limit=version_load_limit):
         _versions.upsert_version(SemanticObjectVersion.model_validate(payload))
 
@@ -2338,10 +2338,10 @@ async def download_windows_agent_cmd_installer(request: Request, agent_id: str |
     if agent_id:
         installer_url = f"{installer_url}?agent_id={quote(agent_id, safe='')}"
     escaped_installer_url = installer_url.replace("%", "%%")
-    script = f"""@echo off
+    script = fr"""@echo off
 setlocal
 set "INSTALLER_URL={escaped_installer_url}"
-set "INSTALLER=%TEMP%\\install-sfera-windows-agent.ps1"
+set "INSTALLER=%TEMP%\install-sfera-windows-agent.ps1"
 echo Downloading SFERA Windows Agent installer...
 powershell.exe -NoProfile -ExecutionPolicy Bypass -Command "Invoke-WebRequest -UseBasicParsing -Uri $env:INSTALLER_URL -OutFile $env:INSTALLER"
 if errorlevel 1 (