3743e7fe45
- Add auth management functions to api.ts (getAuthSettings, listUsers, etc.) - Refactor auth settings page to use centralized api.ts instead of raw fetch (FUNC-H2) - Add loading skeleton to auth settings page (UX-M16) - Add exchangeOidcToken() for httpOnly cookie OIDC flow (SEC-H3) - Fix Settings TypeScript type: has_npm_password boolean (FUNC-L) - Add last_alive_at to Instance type (FUNC-L)