- CORS: replace permissive() with configurable whitelist (default.toml)
- Auth store: synchronously restore state at creation to eliminate
flash-of-login-page on refresh
- MainLayout: menu highlight now tracks current route via useLocation
- Add extractErrorMessage() utility to reduce repeated error parsing
- Fix all clippy warnings across 4 crates (erp-auth, erp-config,
erp-workflow, erp-message): remove unnecessary casts, use div_ceil,
collapse nested ifs, reduce function arguments with DTOs