* Create service factories
* Add onInstall hook to service worker
* Add factory helper and common options structure
* Use factories in main.background
* simplify common factory options
* Split factory service cache and options.
Improve factory method base type handling.
* Add dev flag for managed environment.
* Create sessions sync structure
* Add observing to session-syncer
* Do not run syncer logic in decorator tests
* Extract test constants
* Change Observables to BehaviorSubject
* Move sendMessage to static method in BrowserApi
* Implement session sync
* only watch in manifest v3
* Use session sync on folder service
* Add array observable sync
* Bypass cache on update from message
* Create feature and dev flags for browser
* Protect development-only methods with decorator
* Improve todo comments for long-term residency
* Use class properties in init
* Do not reuse mocks
* Use json (de)serialization patterns
* Fix failing session storage in dev environment
* Split up complex EncString constructor
* Default false for decrypted session storage
* Try removing hydrate EncString method
* PR review
* PR test review
Robyn MacCallum
Thomas Rittson
Matt Gibson