Current state
No browser workflow is wired on this route yet.
The shell reserves the location now so later module work lands on a stable navigation contract.
/activity
Activity module
Cross-module event history follows after the current live operator modules.
Reserved route
Activity
This route is intentionally present in the shell before the module is implemented. Navigation, route validation, and module ownership stay explicit even while the workflow surface is deferred.
Owning lane
OPR-08 owns the first real implementation for this module.
Until then, this route remains a factual reserved shell surface rather than a dead-end page.