iOS: stem playlist refresh and covers, download queue page, reorderable Library, whole-library radio

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

ios/Stemify/Plex/PlexModels.swift

@@ -263,6 +263,42 @@ struct PlexPin: Decodable {
     }
 }
 
+/// One server from plex.tv/api/v2/resources, with every address it can be reached at.
+struct PlexResource: Decodable {
+    struct Connection {
+        var uri = ""
+        var local = false
+        var relay = false
+    }
+    var name = ""
+    var clientIdentifier = ""
+    var accessToken = ""
+    var provides = ""
+    var connections: [Connection] = []
+    var isServer: Bool { provides.split(separator: ",").contains("server") }
+    init(from decoder: Decoder) throws {
+        let c = try decoder.container(keyedBy: AnyKey.self)
+        name = c.str("name") ?? ""
+        clientIdentifier = c.str("clientIdentifier") ?? ""
+        accessToken = c.str("accessToken") ?? ""
+        provides = c.str("provides") ?? ""
+        connections = (try? c.decodeIfPresent([Lenient<PlexConn>].self, forKey: AnyKey("connections")))?
+            .compactMap(\.value).map { Connection(uri: $0.uri, local: $0.local, relay: $0.relay) } ?? []
+    }
+}
+
+private struct PlexConn: Decodable {
+    var uri = ""
+    var local = false
+    var relay = false
+    init(from decoder: Decoder) throws {
+        let c = try decoder.container(keyedBy: AnyKey.self)
+        uri = c.str("uri") ?? ""
+        local = c.bool("local") ?? false
+        relay = c.bool("relay") ?? false
+    }
+}
+
 struct PlexUser: Decodable {
     var username: String?
     var title: String?