feat(readarr): trigger Readarr tasks and expose the command on the CLI

The task name is sent as the shared CommandBody, matching the Radarr, Sonarr, and Lidarr implementations. The response is returned verbatim and no app state is mutated.

src/network/readarr_network/mod.rs

@@ -2,7 +2,7 @@ use anyhow::Result;
 use log::info;
 
 use super::{NetworkEvent, NetworkResource};
-use crate::models::readarr_models::ReadarrSerdeable;
+use crate::models::readarr_models::{ReadarrSerdeable, ReadarrTaskName};
 use crate::network::{Network, RequestMethod};
 
 mod system;
@@ -21,11 +21,13 @@ pub enum ReadarrEvent {
   GetTasks,
   GetUpdates,
   HealthCheck,
+  StartTask(ReadarrTaskName),
 }
 
 impl NetworkResource for ReadarrEvent {
   fn resource(&self) -> &'static str {
     match &self {
+      ReadarrEvent::StartTask(_) => "/command",
       ReadarrEvent::GetHostConfig | ReadarrEvent::GetSecurityConfig => "/config/host",
       ReadarrEvent::GetDiskSpace => "/diskspace",
       ReadarrEvent::HealthCheck => "/health",
@@ -72,6 +74,10 @@ impl Network<'_, '_> {
         .get_readarr_healthcheck()
         .await
         .map(ReadarrSerdeable::from),
+      ReadarrEvent::StartTask(task_name) => self
+        .start_readarr_task(task_name)
+        .await
+        .map(ReadarrSerdeable::from),
     }
   }