[fix/#305] Watch 앱 상태 푸시 실패시 재시도한다.

mirroringBooth/mirroringBooth/Device/Camera/Browser/WatchConnectionManager+iOS.swift

@@ -12,6 +12,7 @@ import WatchConnectivity
 
 final class WatchConnectionManager: NSObject {
     private enum ActionValue: String {
+        case pushState
         case capture
         case connect
         case prepare
@@ -198,6 +199,12 @@ extension WatchConnectionManager: WCSessionDelegate {
         if let error: Error = error {
             self.logger.error("WCSession 활성화 실패: 오류=\(error.localizedDescription)")
         } else {
+            session.sendMessage(
+                [MessageKey.action.rawValue: ActionValue.pushState.rawValue],
+                replyHandler: nil
+            ) { error in
+                self.logger.warning("WCSession handshake 실패: \(error)")
+            }
             self.logger.info("WCSession 활성화 성공")
         }
     }

mirroringBooth/mirroringBooth/Device/Remote/AppleWatch/WatchConnectionManger+watchOS.swift

@@ -12,6 +12,7 @@ import WatchConnectivity
 
 final class WatchConnectionManager: NSObject {
     private enum ActionValue: String {
+        case pushState
         case capture
         case connect
         case prepare
@@ -36,6 +37,7 @@ final class WatchConnectionManager: NSObject {
     private let session: WCSession?
     private let logger = Logger.watchConnectionManager
     private var lastAppState: AppStateValue = .terminated
+    private var watchState: AppStateValue = .inactive
 
     var onReachableChanged: ((Bool) -> Void)?
 
@@ -112,7 +114,8 @@ final class WatchConnectionManager: NSObject {
             try session.updateApplicationContext([MessageKey.appState.rawValue: state.rawValue])
             self.logger.info("Watch 앱 상태 푸시: \(state.rawValue)")
         } catch {
-            self.logger.error("Watch 앱 상태 푸시 실패: \(error.localizedDescription)")
+            self.logger.error("실패: \(error.localizedDescription)")
+            self.watchState = state
         }
     }
 
@@ -236,6 +239,11 @@ extension WatchConnectionManager: WCSessionDelegate {
             Task { @MainActor in
                 self.onReceiveCaptureComplete?()
             }
+        } else if actionValue == ActionValue.pushState.rawValue {
+            self.logger.info("상태 푸시 명령 수신됨.")
+            Task { @MainActor in
+                self.pushWatchAppState(watchState)
+            }
         }
     }