[codex] Grant signup credits (#606) #527

Job	Run time
build-and-smoke-freebuff-windows	2m 14s
build-freebuff	1m 10s
e2e-version	59s
e2e-agent-startup	2m 32s
e2e-startup	1m 11s
e2e-ads-behavior	1m 18s
e2e-help-command	1m 18s
e2e-terminal-command	1m 9s
e2e-slash-commands	1m 1s
e2e-code-edit	56s
	13m 48s

Provide feedback