Redesign Hope iOS UI, harden playback, and document project handoff

Sources/Media/MediaAPI.swift

@@ -127,10 +127,10 @@ final class MediaAPI {
     private let baseURL: URL
     private let session: URLSession
 
-    init(config: ServerConfig) {
+    init(config: ServerConfig, session: URLSession? = nil) {
         self.serverBase = config.baseURL
         self.baseURL = config.baseURL.appendingPathComponent("media/api")
-        self.session = TLSPinning.session()
+        self.session = session ?? TLSPinning.session()
     }
 
     func state(room: String) async throws -> MediaState {