fix error types

crates/lib/pager/src/client/pager.rs

@@ -71,7 +71,7 @@ impl Pager {
     notification: NotificationDetails,
   ) -> Result<(), PagerError> {
     let queue = self.queue.as_ref()
-      .ok_or(PagerSystemError::QueueFull)?;
+      .ok_or(PagerSystemError::QueueNotConfigured)?;
 
     let dropped = queue.push(notification)?;
 

crates/lib/pager/src/error/pager_system_error.rs

@@ -7,11 +7,8 @@ pub enum PagerSystemError {
   /// The pager was not configured with a backend.
   NoBackendConfigured,
 
-  /// The pager was not configured with an application name.
-  NoApplicationName,
-
-  /// The message queue is full and the oldest item was dropped.
-  QueueFull,
+  /// The message queue was not configured. Use `build_with_worker()` to enable queuing.
+  QueueNotConfigured,
 
   /// A mutex lock was poisoned (another thread panicked while holding it).
   MutexPoisoned(String),
@@ -23,8 +20,7 @@ impl Display for PagerSystemError {
   fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
     match self {
       Self::NoBackendConfigured => write!(f, "No pager backend configured. Call .rootly() or .client_config() on PagerBuilder."),
-      Self::NoApplicationName => write!(f, "No application name configured. Call .application_name() on PagerBuilder."),
-      Self::QueueFull => write!(f, "Pager message queue is full."),
+      Self::QueueNotConfigured => write!(f, "Pager message queue not configured. Use build_with_worker() to enable queuing."),
       Self::MutexPoisoned(msg) => write!(f, "Pager mutex poisoned: {}", msg),
     }
   }