ryu-activity v0.4.0

Changelog

@ryu/activity@0.4.0

Patch changes

• Made live activity observability state truthful, including state logic, tests, and README updates. (6c958e1)
• Reworked the activity app with updated Activity and Observability views, a revised bridge and type declarations, and refreshed manifest, README, and styles. (fd3adbf)

Full changelog: amajorai/ryu@v0.3.1...v0.4.0