Ban Yaro Go — Phase 1 Foundation

SwiftUI/SwiftData iOS-Client, redet mit https://banyaro.app FastAPI-Backend.
Bundle-ID app.banyaro.ios, Xcode-26-Projekt mit synchronisierten Ordnern.

Drin:
- APIClient (URLSession + Bearer + convertFromSnakeCase Decoder)
- KeychainStore + AuthSession (@Observable) für persistenten Login
- LoginView, MainTabView, SettingsView (mit Logout)
- RoutesListView + RouteDetailView mit MapKit-Polyline aus preview_track
- DogsListView mit Foto-Avatar
- App-Icon (Pfote auf Banyaro-Amber)

BanYaroGo/API/DTOs.swift

@@ -0,0 +1,60 @@
+import Foundation
+
+// MARK: - Auth
+
+struct LoginRequest: Encodable {
+    let email: String
+    let password: String
+}
+
+struct LoginResponse: Decodable {
+    let token: String
+    let name: String
+    let isPremium: Bool
+}
+
+// MARK: - Dogs
+
+struct Dog: Decodable, Identifiable {
+    let id: Int
+    let name: String
+    let rasse: String?
+    let fotoUrl: String?
+    let geburtstag: String?
+}
+
+// MARK: - Routes
+
+struct GPSPoint: Codable, Hashable {
+    let lat: Double
+    let lon: Double
+    let alt: Double?
+}
+
+struct RouteListItem: Decodable, Identifiable {
+    let id: Int
+    let userId: Int
+    let name: String
+    let beschreibung: String?
+    let distanzKm: Double?
+    let dauerMin: Int?
+    let createdAt: String?
+    let previewTrack: [GPSPoint]
+    let fotoUrls: [String]?
+    let userName: String?
+    let isPublic: Bool?
+}
+
+struct RouteDetail: Decodable, Identifiable {
+    let id: Int
+    let userId: Int
+    let name: String
+    let beschreibung: String?
+    let distanzKm: Double?
+    let dauerMin: Int?
+    let gpsTrack: [GPSPoint]
+    let fotoUrls: [String]?
+    let createdAt: String?
+    let userName: String?
+    let dogIds: [Int]?
+}