• Remove default routes from configuration.
• Allow routes to be overridden in configuration.

Acceptance Criteria

• Configuration file is updated to reflect current Apple Sign In requirements
• Deprecated config keys are removed or aliased with a deprecation warning
• Migration guide is provided for users on older config formats

Test Coverage

• Integration test: package bootstraps correctly with updated config format
• Regression test: no breaking change for users with existing valid config

WSJF Priority Score

• Score: 4.00
• User/Business Value: 5 (Config clarity reduces setup errors)
• Time Criticality: 3 (Not urgent; existing config works)
• Risk Reduction/Opportunity Enablement: 4 (Clean config API prevents future confusion)
• Job Size: 3 points (S — config refactor + migration guide)
• Calculation: (5 + 3 + 4) ÷ 3 = 4.00