Enhance JWT Token Management and Authentication Flow (#720)

- Implement extended token lifetime for "Remember Me" functionality
- Add token expiration details to authentication responses
- Update client-side token handling to support dynamic expiration
- Modify authentication middleware to handle token initialization more robustly
- Configure JWT configuration to support longer token lifetimes

client/components/pages/admin/ImpersonateUser.vue

@@ -27,8 +27,8 @@ const impersonate = () => {
   opnFetch(`/moderator/impersonate/${props.user.id}`).then(async (data) => {
     loading.value = false
 
-    // Save the token.
-    authStore.setToken(data.token, false)
+    // Save the token with its expiration time.
+    authStore.setToken(data.token, data.expires_in)
 
     // Fetch the user.
     const userData = await opnFetch('user')