feat(daemon): daily series metadata refresh lane

crates/arr-daemon/src/main.rs

@@ -12,6 +12,7 @@ mod notify;
 mod reaper;
 pub mod reconcile;
 mod rss;
+mod series_refresh;
 mod tv_grab;
 mod web;
 
@@ -31,6 +32,7 @@ use notify::Notifier;
 use reaper::ReaperAction;
 use reconcile::{ReconcileLoop, Tick};
 use rss::RssAction;
+use series_refresh::SeriesRefreshAction;
 use tower_http::trace::TraceLayer;
 use tv_grab::TvGrabAction;
 
@@ -268,6 +270,13 @@ fn reconcile_loop(
             ),
         );
     }
+    // §8: metadata refresh is its own daily lane, staggered against the
+    // other ticks. Without TMDB there is nothing to refresh from.
+    if let Some(tmdb) = tmdb {
+        reconcile = reconcile.register(Tick::Metadata, SeriesRefreshAction::new(Arc::clone(tmdb)));
+    } else {
+        tracing::warn!("TMDB is not configured: series metadata refresh is disabled");
+    }
     let jellyfin = jellyfin::JellyfinClient::new(
         config.jellyfin_url.clone(),
         config.jellyfin_api_key.clone(),