4d74cc0a28
## Summary - Remove the `IS_APPLICATION_ENABLED` feature flag — application features are now always enabled - Remove `@RequireFeatureFlag` decorators and `FeatureFlagGuard` from 7 application resolvers (registration, development, manifest, install, upgrade, marketplace, oauth) - Remove frontend feature flag checks: settings navigation visibility, route protection wrapper, side panel widget type gating, and role permission flag filtering - Delete the integration test for disabled-flag behavior - Clean up seed data, test mocks, and generated schema files