Update frontend hooks and API clients to use Authorization headers
instead of cookie-based credentials:
- email/frontend-admin: Update all 4 useEmail* hooks
- email/frontend-users: Update api/client.ts
- landing/frontend-public: Update checkout, ideas, products, vote hooks
- profile/frontend-app: Remove credentials from useProfileData
- sso/backend-api: Update public JS files for MFA flows
- sso/backend-api: Fix auth.e2e-spec tests for new auth pattern
Consistent cross-origin auth handling via localStorage tokens.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
4ea7327ac7