- Fix oauth_test.go and client_test.go to use defaultClientSecret variable instead of env var (init() already sets the default) - Align migration 058 gemini-3-pro-high/low/preview mappings with constants.go (map to 3.1 versions)
- Fix oauth_test.go and client_test.go to use defaultClientSecret variable instead of env var (init() already sets the default) - Align migration 058 gemini-3-pro-high/low/preview mappings with constants.go (map to 3.1 versions)