Tighten opaque CLI auth tokens #592

Job	Run time
build-freebuff	1m 13s
build-and-smoke-freebuff-windows	2m 31s
e2e-slash-commands	57s
e2e-help-command	1m 23s
e2e-startup	1m 12s
e2e-ads-behavior	1m 17s
e2e-code-edit	1m 11s
e2e-agent-startup	2m 27s
e2e-terminal-command	1m 9s
e2e-version	51s
	14m 11s

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