wire profile components, login/register routes, spec-driven auth

- src/main.jsx: add /login, /register, /profile/* routes; wire
  profileComponents from react-auth; pass basePath to Admin
- src/Header.tsx: profile button nav to /profile/me; Login to /login
- src/openapi-config.ts: wire getToken and profileComponents
- react-auth local: sync ProfileCreate, ProfileEdit, ProfileView
- react-openapi local: sync all auth + x-profile changes
  (AppProvider, Admin, ProfileRoutes, SideMenu, types, hooks, etc.)

src/Header.tsx

@@ -134,7 +134,7 @@ export default function Header({
               </Button>
               <Button
                 color="inherit"
-                onClick={() => navigate("/admin/profile")}
+                onClick={() => navigate("/profile/me")}
                 sx={{ textTransform: "none", fontWeight: 500 }}
               >
                 {currentUser.username}
@@ -151,7 +151,7 @@ export default function Header({
           <Button
             color="inherit"
             variant="outlined"
-            onClick={() => navigate("/admin")}
+            onClick={() => navigate("/login")}
             sx={{ textTransform: "none" }}
           >
             Login