Initial implementation of Fantasy Hockey watchOS app

Implemented complete TCA architecture for iOS and watchOS targets:
- Authentication flow (Sign in with Apple + Yahoo OAuth)
- OAuth token management with iCloud Key-Value Storage
- Yahoo Fantasy Sports API client with async/await
- Watch Connectivity for iPhone ↔ Watch data sync
- Complete UI for both iPhone and Watch platforms

Core features:
- Matchup score display
- Category breakdown with win/loss/tie indicators
- Roster status tracking
- Manual refresh functionality
- Persistent data caching on Watch

Technical stack:
- The Composable Architecture for state management
- Swift Concurrency (async/await, actors)
- WatchConnectivity framework
- Sign in with Apple
- OAuth 2.0 authentication flow

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

FantasyWatch/FantasyWatch Watch App Watch App/Features/Matchup/RosterStatusView.swift

@@ -0,0 +1,64 @@
+//
+//  RosterStatusView.swift
+//  FantasyWatch Watch App
+//
+//  Created by Claude Code
+//
+
+import SwiftUI
+
+struct RosterStatusView: View {
+    let roster: RosterStatus
+
+    var body: some View {
+        List {
+            HStack {
+                Text("Active")
+                    .font(.caption)
+                Spacer()
+                Text("\(roster.activeCount)")
+                    .font(.body)
+                    .fontWeight(.semibold)
+                    .foregroundColor(.green)
+            }
+
+            HStack {
+                Text("Benched")
+                    .font(.caption)
+                Spacer()
+                Text("\(roster.benchedCount)")
+                    .font(.body)
+                    .fontWeight(.semibold)
+                    .foregroundColor(.secondary)
+            }
+
+            HStack {
+                Text("Injured Reserve")
+                    .font(.caption)
+                Spacer()
+                Text("\(roster.injuredReserve)")
+                    .font(.body)
+                    .fontWeight(.semibold)
+                    .foregroundColor(roster.injuredReserve > 0 ? .red : .secondary)
+            }
+
+            HStack {
+                Text("Total")
+                    .font(.caption)
+                    .fontWeight(.semibold)
+                Spacer()
+                Text("\(roster.totalPlayers)")
+                    .font(.body)
+                    .fontWeight(.bold)
+            }
+        }
+        .navigationTitle("Roster")
+        .navigationBarTitleDisplayMode(.inline)
+    }
+}
+
+#Preview {
+    NavigationStack {
+        RosterStatusView(roster: RosterStatus(activeCount: 10, benchedCount: 5, injuredReserve: 2))
+    }
+}