Initial commit — RoadCode import

BlackRoadWatch/Sources/WatchApp/BlackRoadWatchApp.swift

@@ -0,0 +1,77 @@
+import SwiftUI
+import WatchConnectivity
+
+// MARK: - Watch App Entry Point
+
+@main
+struct BlackRoadWatchApp: App {
+    @StateObject private var dataStore = WatchDataStore.shared
+
+    var body: some Scene {
+        WindowGroup {
+            WatchContentView()
+                .environmentObject(dataStore)
+        }
+    }
+}
+
+// MARK: - Watch Data Store (receives from iPhone)
+
+class WatchDataStore: NSObject, ObservableObject {
+    static let shared = WatchDataStore()
+
+    @Published var sensor: SensorData?
+    @Published var ai: AIStatus?
+    @Published var health: SystemHealth?
+    @Published var lastUpdate: Date?
+    @Published var isConnected = false
+
+    private var wcSession: WCSession?
+
+    override init() {
+        super.init()
+        guard WCSession.isSupported() else { return }
+        wcSession = WCSession.default
+        wcSession?.delegate = self
+        wcSession?.activate()
+    }
+
+    private func processContext(_ context: [String: Any]) {
+        DispatchQueue.main.async { [weak self] in
+            guard let self = self else { return }
+
+            if let sensorDict = context["sensor"],
+               let sensorData = try? JSONSerialization.data(withJSONObject: sensorDict),
+               let sensor = try? JSONDecoder().decode(SensorData.self, from: sensorData) {
+                self.sensor = sensor
+            }
+
+            if let aiDict = context["ai"],
+               let aiData = try? JSONSerialization.data(withJSONObject: aiDict),
+               let ai = try? JSONDecoder().decode(AIStatus.self, from: aiData) {
+                self.ai = ai
+            }
+
+            if let healthDict = context["health"],
+               let healthData = try? JSONSerialization.data(withJSONObject: healthDict),
+               let health = try? JSONDecoder().decode(SystemHealth.self, from: healthData) {
+                self.health = health
+            }
+
+            self.lastUpdate = Date()
+            self.isConnected = true
+        }
+    }
+}
+
+extension WatchDataStore: WCSessionDelegate {
+    func session(_ session: WCSession, activationDidCompleteWith state: WCSessionActivationState, error: Error?) {}
+
+    func session(_ session: WCSession, didReceiveMessage message: [String: Any]) {
+        processContext(message)
+    }
+
+    func session(_ session: WCSession, didReceiveApplicationContext context: [String: Any]) {
+        processContext(context)
+    }
+}