* Add persistent state provider
* Catch write error
* Handle read errors, update error msgs
* Fix lint
* Don't provide initial state to loader
* Remove colorMode from shell state
* Idea: hook into persisted context from other files
* Migrate settings to new hook
* Rework persisted state to split individual contexts
* Tweak persisted schema and validation
---------
Co-authored-by: Paul Frazee <pfrazee@gmail.com>