v4.0.1

🐛 Fix auth cutover polish and OAuth callback routing
♻️ Contract completed auth cutover
🐛 Stabilize billing plan changes
💄 Redesign team and authorization management
✨ Refine auth management and security flows
🐛 Fix community totals and legal links
✨ Complete secure private account data exports
✨ Add negotiated agency seat billing and complete agency account workflow
🐛 Enforce retained Pro settings and complete entitlement boundaries
⚡️ Optimize instance health diagnostics
♿️ Improve consent and control accessibility
💄 Refine account context selector
🐛 Deduplicate accessible overlay rows
🐛 Complete account deletion logout