Use opaque CLI auth tokens #589

Job	Run time
build-freebuff	1m 13s
build-and-smoke-freebuff-windows	2m 5s
e2e-help-command	1m 14s
e2e-slash-commands	1m 11s
e2e-startup	1m 8s
e2e-terminal-command	1m 8s
e2e-version	1m 8s
e2e-agent-startup	2m 24s
e2e-ads-behavior	1m 12s
e2e-code-edit	59s
	13m 42s

Provide feedback