v0.4.5

• fix(auth): validate extension session host metadata
• feat(auth): add active sessions and remote sign-out
• fix(client): show local shell during auth recovery (#76)
• fix(ci): derive Sentry environment from release channel (#74)
• fix(web): allow Supabase realtime WebSockets in CSP (#75)
• test(web): match supported-platform download label (#73)

**Full Changelog**: https://github.com/alexx855/clipmate/compare/v0.4.4...v0.4.5