feat(readarr): fetch Readarr queued events and expose them on the CLI

An empty array is a valid response when nothing is queued, so the empty case is covered by its own test.

src/cli/readarr/list_command_handler.rs

@@ -29,6 +29,8 @@ pub enum ReadarrListCommand {
     )]
     output_in_log_format: bool,
   },
+  #[command(about = "List all queued events")]
+  QueuedEvents,
   #[command(about = "List all Readarr tasks")]
   Tasks,
   #[command(about = "List all Readarr updates")]
@@ -86,6 +88,13 @@ impl<'a, 'b> CliCommandHandler<'a, 'b, ReadarrListCommand> for ReadarrListComman
           serde_json::to_string_pretty(&logs)?
         }
       }
+      ReadarrListCommand::QueuedEvents => {
+        let resp = self
+          .network
+          .handle_network_event(ReadarrEvent::GetQueuedEvents.into())
+          .await?;
+        serde_json::to_string_pretty(&resp)?
+      }
       ReadarrListCommand::Tasks => {
         let resp = self
           .network