fix(auth): Improve OAuth credential detection and startup warning#747

Shironex wants to merge 2 commits intov0.14.0rcAutoMaker-Org/automaker:v0.14.0rcfrom

feature/bug-startup-warning-ignores-claude-oauth-credenti-fuzxAutoMaker-Org/automaker:feature/bug-startup-warning-ignores-claude-oauth-credenti-fuzxCopy head branch name to clipboard