69593cc1

By: Michael Lynch <git@mtlynch.io>

Add hermetic operational integration tests

Exercise the S3 and SMTP adapters against local protocol peers, probe a real
video fixture, and run the Tinybeans import command in a temporary workspace.
Expose the tagged suite through a developer script and Nix package, and run
Nix Go tests with race detection.
configuredevShellx86_64-linuxbackendbackend-devcheck-bashcheck-frontendcheck-go-formattingcheck-go-test-packagescheck-trailing-newlinecheck-trailing-whitespacedeploy-to-flydiagramdocker-imagee2e-testsgo-testsimport-from-tinybeansintegration-testsjs-testslint-sqllittle-momentslittle-moments-devx86_64-linux