✨ Add TV Series Service missing endpoints and models

.gitignore

@@ -12,4 +12,7 @@ default.profraw
 junit-swift-testing.xml
 
 # Claude
-.claude/settings.local.json
+.claude/settings.local.json
+
+# Git worktrees
+.worktrees/

Sources/TMDb/Domain/Models/AccountStates.swift

@@ -0,0 +1,91 @@
+//
+//  AccountStates.swift
+//  TMDb
+//
+//  Copyright © 2026 Adam Young.
+//
+
+import Foundation
+
+///
+/// A model representing a user's account states for media.
+///
+public struct AccountStates: Codable, Equatable, Hashable, Sendable {
+
+    ///
+    /// Media identifier.
+    ///
+    public let id: Int
+
+    ///
+    /// Is the media in the user's favorites.
+    ///
+    public let isFavourite: Bool
+
+    ///
+    /// The user's rating for the media.
+    ///
+    public let rating: Double?
+
+    ///
+    /// Is the media in the user's watchlist.
+    ///
+    public let isInWatchlist: Bool
+
+    ///
+    /// Creates an account states object.
+    ///
+    /// - Parameters:
+    ///   - id: Media identifier.
+    ///   - isFavourite: Is the media in the user's favorites.
+    ///   - rating: The user's rating for the media.
+    ///   - isInWatchlist: Is the media in the user's watchlist.
+    ///
+    public init(id: Int, isFavourite: Bool, rating: Double? = nil, isInWatchlist: Bool) {
+        self.id = id
+        self.isFavourite = isFavourite
+        self.rating = rating
+        self.isInWatchlist = isInWatchlist
+    }
+
+}
+
+extension AccountStates {
+
+    private enum CodingKeys: String, CodingKey {
+        case id
+        case isFavourite = "favorite"
+        case rating = "rated"
+        case isInWatchlist = "watchlist"
+    }
+
+    public init(from decoder: Decoder) throws {
+        let container = try decoder.container(keyedBy: CodingKeys.self)
+
+        self.id = try container.decode(Int.self, forKey: .id)
+        self.isFavourite = try container.decode(Bool.self, forKey: .isFavourite)
+        self.isInWatchlist = try container.decode(Bool.self, forKey: .isInWatchlist)
+
+        // rating can be false (boolean) or a number (double)
+        if let ratingValue = try? container.decode(Double.self, forKey: .rating) {
+            self.rating = ratingValue
+        } else {
+            self.rating = nil
+        }
+    }
+
+    public func encode(to encoder: Encoder) throws {
+        var container = encoder.container(keyedBy: CodingKeys.self)
+
+        try container.encode(id, forKey: .id)
+        try container.encode(isFavourite, forKey: .isFavourite)
+        try container.encode(isInWatchlist, forKey: .isInWatchlist)
+
+        if let rating {
+            try container.encode(rating, forKey: .rating)
+        } else {
+            try container.encode(false, forKey: .rating)
+        }
+    }
+
+}

Sources/TMDb/Domain/Models/AlternativeTitle.swift

@@ -0,0 +1,54 @@
+//
+//  AlternativeTitle.swift
+//  TMDb
+//
+//  Copyright © 2026 Adam Young.
+//
+
+import Foundation
+
+///
+/// A model representing an alternative title.
+///
+public struct AlternativeTitle: Codable, Equatable, Hashable, Sendable {
+
+    ///
+    /// ISO 3166-1 country code.
+    ///
+    public let countryCode: String
+
+    ///
+    /// Title.
+    ///
+    public let title: String
+
+    ///
+    /// Type of alternative title.
+    ///
+    public let type: String?
+
+    ///
+    /// Creates an alternative title object.
+    ///
+    /// - Parameters:
+    ///   - countryCode: ISO 3166-1 country code.
+    ///   - title: Title.
+    ///   - type: Type of alternative title.
+    ///
+    public init(countryCode: String, title: String, type: String? = nil) {
+        self.countryCode = countryCode
+        self.title = title
+        self.type = type
+    }
+
+}
+
+extension AlternativeTitle {
+
+    private enum CodingKeys: String, CodingKey {
+        case countryCode = "iso31661"
+        case title
+        case type
+    }
+
+}

Sources/TMDb/Domain/Models/AlternativeTitleCollection.swift

@@ -0,0 +1,46 @@
+//
+//  AlternativeTitleCollection.swift
+//  TMDb
+//
+//  Copyright © 2026 Adam Young.
+//
+
+import Foundation
+
+///
+/// A model representing a collection of alternative titles.
+///
+public struct AlternativeTitleCollection: Codable, Equatable, Hashable, Sendable {
+
+    ///
+    /// Media identifier.
+    ///
+    public let id: Int
+
+    ///
+    /// Alternative titles.
+    ///
+    public let titles: [AlternativeTitle]
+
+    ///
+    /// Creates an alternative title collection object.
+    ///
+    /// - Parameters:
+    ///   - id: Media identifier.
+    ///   - titles: Alternative titles.
+    ///
+    public init(id: Int, titles: [AlternativeTitle]) {
+        self.id = id
+        self.titles = titles
+    }
+
+}
+
+extension AlternativeTitleCollection {
+
+    private enum CodingKeys: String, CodingKey {
+        case id
+        case titles = "results"
+    }
+
+}