* Implement a very crude HTTP relay to persistor service
* Temporarily disable local session and event persistence
* Temporarily disable Promex in dev
* Setup dedicated Finch pool for persistor
* Temporarily adjust load script parameters
* Fiddle with pool opts
* Only log errors
* Bump rate
* Put persistor configuration in runtime config
* Move persistor client code to a separate module
* Move event and session persistence behind a switchable adapter
* Add scaffolding of relaying persistor
* Instrument relayed persistence
* Adjust persistor API to accept full ingest event
* Fix persistor URL in config defaults
* Switch local dev env of embedded_with_relay backend
* Revert "Temporarily disable Promex in dev"
This reverts commit d9c9e9075d130cc5177a2a7559b98a2026077327.
* Lower default `PERSISTOR_COUNT`
* Refactor payload encoding and decoding slightly
* Test and slightly improve persistor logic
* Bring back previous dev config
* Dedicated MIX_ENV for load testing + change k6 script
* Remove unused env var
* Remove test flag
* Add .env.load
* Fixup