feat: resolve AniList episodes through ZokoAnime

Sources/App/StreamResolver.swift

@@ -8,10 +8,23 @@ private struct StreamResolutionError: LocalizedError {
 enum StreamURL: Sendable {
     case youtube(URL)
     case miruro(mediaID: String, episode: Int)
+    case anilist(mediaID: String, episode: Int)
 
     static func parse(_ text: String) throws -> StreamURL {
         let text = text.trimmingCharacters(in: .whitespacesAndNewlines)
         let url = try YouTubeResolver.validateURL(text)
+        if url.host?.lowercased() == "zokoanime.video" {
+            let invalid = StreamResolutionError(message: "Enter https://zokoanime.video/stream/ani/<AniList ID>/<episode>/sub with canonical positive numbers.")
+            guard let c = URLComponents(string: text), c.scheme == "https", c.user == nil, c.password == nil,
+                  c.port == nil || c.port == 443, c.query == nil, c.fragment == nil,
+                  c.percentEncodedPath == c.path,
+                  !text.contains(where: { $0.isWhitespace || $0 == "\\" }) else { throw invalid }
+            let p = c.path.split(separator: "/", omittingEmptySubsequences: false)
+            guard p.count == 6, p[0].isEmpty, p[1] == "stream", p[2] == "ani", p[5] == "sub",
+                  let episode = Int(p[4]), String(episode) == p[4],
+                  ResolvedSource.validAniListIdentity(mediaID: String(p[3]), episode: episode) else { throw invalid }
+            return .anilist(mediaID: String(p[3]), episode: episode)
+        }
         if url.host?.lowercased() != "barelystarted.miruro.tv" { return .youtube(url) }
         let invalid = StreamResolutionError(message: "Enter a Miruro episode URL from barelystarted.miruro.tv with an explicit positive episode number.")
         guard !text.unicodeScalars.contains(where: {
@@ -62,6 +75,7 @@ struct MiruroPlaybackRequirements: Sendable {
     var segmentOrigin: String? = nil
     var playlistQuery: [String: String] = [:]
     var embed = false
+    var zoko = false
 }
 
 struct MiruroSelection: Sendable {